Best Voltage Monitoring Relays. Reviews December, 2020

Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Under-Voltage Protection Relay 35MM Guide Rail 13-17V 10-14V(DC24V)

Search only YWBL-WH brand name
Voltage Monitoring Relay DC 12V/24V/36V/48V Over-Voltage and Under-Voltage Protection Relay 35MM Guide Rail 13-17V 10-14V(DC24V)

Current price: 30.99 USD


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  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted
  • ✈ PRODUCT NAME---Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity)

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Voltage Monitoring Relay, GRV8-02 Single-Phase Voltage Control Monitoring Relay for Electrical Equipment or Compressors, Emergency/Backup Power Switching Control(GRV8-02/AD240)

Search only Vikye brand name
Voltage Monitoring Relay, GRV8-02 Single-Phase Voltage Control Monitoring Relay for Electrical Equipment or Compressors, Emergency/Backup Power Switching Control(GRV8-02/AD240)

Current price: 29.99 USD


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Weight: 0.1322773572 Pounds

  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted
  • ✈ PRODUCT NAME---Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity)
  • Compact size, only 18mm width, 35mm rail mounting.
  • The working status of the relay is indicated by the LED indicator, which is simple and convenient.
  • High accuracy, voltage measurement accuracy is ≦ 1%.
  • The operating mode can be selected via the rotary knob.
  • Monitor the working voltage (true RMS measurement).

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Power Supply Monitor Relay, 3 Phase Circuit Protection Voltage Monitoring Relay Phase Failure Sequence Protector for Motors Pumps

Search only Nannday brand name
Power Supply Monitor Relay, 3 Phase Circuit Protection Voltage Monitoring Relay Phase Failure Sequence Protector for Motors Pumps

Current price: 28.99 USD


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Weight: 0.2645547144 Pounds

  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted
  • ✈ PRODUCT NAME---Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity)
  • Compact size, only 18mm width, 35mm rail mounting.
  • The working status of the relay is indicated by the LED indicator, which is simple and convenient.
  • High accuracy, voltage measurement accuracy is ≦ 1%.
  • The operating mode can be selected via the rotary knob.
  • Monitor the working voltage (true RMS measurement).
  • ✔【IDEAL FOR】Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, etc
  • ✔【VOLTAGE IMBALANCE PROTECTION】Voltage imbalance protection, which refers to a protective measure that will affect the safe operation of the line due to three-phase voltage imbalance
  • ✔【REVERSE PHASE PROTECTION】Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action
  • ✔【PHASE LOSS PROTECTION】Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S
  • ✔【3 INDICATORS】The protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which can be directly installed separately or HT35 rail. Indicated by three indicators: normal, phase loss(voltage three-phase unbalance), reverse phase

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3 Phase Voltage Monitoring Sequence Relay JVR800-2 Voltage Protection Relay Under Over Voltage Protector

Search only YWBL-WH brand name
3 Phase Voltage Monitoring Sequence Relay JVR800-2 Voltage Protection Relay Under Over Voltage Protector

Current price: 38.99 USD


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Weight: 0.2866009406 Pounds

  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted
  • ✈ PRODUCT NAME---Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity)
  • Compact size, only 18mm width, 35mm rail mounting.
  • The working status of the relay is indicated by the LED indicator, which is simple and convenient.
  • High accuracy, voltage measurement accuracy is ≦ 1%.
  • The operating mode can be selected via the rotary knob.
  • Monitor the working voltage (true RMS measurement).
  • ✔【IDEAL FOR】Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, etc
  • ✔【VOLTAGE IMBALANCE PROTECTION】Voltage imbalance protection, which refers to a protective measure that will affect the safe operation of the line due to three-phase voltage imbalance
  • ✔【REVERSE PHASE PROTECTION】Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action
  • ✔【PHASE LOSS PROTECTION】Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S
  • ✔【3 INDICATORS】The protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which can be directly installed separately or HT35 rail. Indicated by three indicators: normal, phase loss(voltage three-phase unbalance), reverse phase
  • The LCD can display data for easy reading.
  • 2 rest modules are optional, manual and automatic.
  • Practicality: This 3-phase voltage relay does not require an external power supply. Has practical functions: power delay, output test, etc
  • Function: This voltage protection relay has overvoltage, undervoltage, phase loss, phase sequence and unbalanced three-phase voltage protection.
  • The Composition of This Product: Three-phase voltage protector, chronograph and counter are integrated in one relay.

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GRV8-05 Voltage Relay,3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection M265

Search only YWBL-WH brand name
GRV8-05 Voltage Relay,3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection M265

Current price: 21.69 USD


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Height: 2.755905509 Inches

Length: 3.93700787 Inches

Width: 1.181102361 Inches

Weight: 0.1763698096 Pounds

  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted
  • ✈ PRODUCT NAME---Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity)
  • Compact size, only 18mm width, 35mm rail mounting.
  • The working status of the relay is indicated by the LED indicator, which is simple and convenient.
  • High accuracy, voltage measurement accuracy is ≦ 1%.
  • The operating mode can be selected via the rotary knob.
  • Monitor the working voltage (true RMS measurement).
  • ✔【IDEAL FOR】Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, etc
  • ✔【VOLTAGE IMBALANCE PROTECTION】Voltage imbalance protection, which refers to a protective measure that will affect the safe operation of the line due to three-phase voltage imbalance
  • ✔【REVERSE PHASE PROTECTION】Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action
  • ✔【PHASE LOSS PROTECTION】Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S
  • ✔【3 INDICATORS】The protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which can be directly installed separately or HT35 rail. Indicated by three indicators: normal, phase loss(voltage three-phase unbalance), reverse phase
  • The LCD can display data for easy reading.
  • 2 rest modules are optional, manual and automatic.
  • Practicality: This 3-phase voltage relay does not require an external power supply. Has practical functions: power delay, output test, etc
  • Function: This voltage protection relay has overvoltage, undervoltage, phase loss, phase sequence and unbalanced three-phase voltage protection.
  • The Composition of This Product: Three-phase voltage protector, chronograph and counter are integrated in one relay.
  • Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail.
  • LED Indicator: The working status of the voltage control relay is indicated by the LED indicator.
  • Application: Equipment protection and control (tower cranes, elevators, agricultural equipment, refrigerated trucks); prevent reverse operation of equipment; normal/emergency power switch; prevent phase failure of dynamic loads.
  • High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%.
  • Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement).

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DPA51CM44 3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for Three-Phase System, Without Neutral, Phase Loss and Incorrect Phase Sequence, 208-480VAC

Search only Walfront brand name
DPA51CM44 3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for Three-Phase System, Without Neutral, Phase Loss and Incorrect Phase Sequence, 208-480VAC

Current price: 25.49 USD

Saving: $2.60 (9%)


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Weight: 0.1543235834 Pounds

  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted
  • ✈ PRODUCT NAME---Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity)
  • Compact size, only 18mm width, 35mm rail mounting.
  • The working status of the relay is indicated by the LED indicator, which is simple and convenient.
  • High accuracy, voltage measurement accuracy is ≦ 1%.
  • The operating mode can be selected via the rotary knob.
  • Monitor the working voltage (true RMS measurement).
  • ✔【IDEAL FOR】Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, etc
  • ✔【VOLTAGE IMBALANCE PROTECTION】Voltage imbalance protection, which refers to a protective measure that will affect the safe operation of the line due to three-phase voltage imbalance
  • ✔【REVERSE PHASE PROTECTION】Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action
  • ✔【PHASE LOSS PROTECTION】Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S
  • ✔【3 INDICATORS】The protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which can be directly installed separately or HT35 rail. Indicated by three indicators: normal, phase loss(voltage three-phase unbalance), reverse phase
  • The LCD can display data for easy reading.
  • 2 rest modules are optional, manual and automatic.
  • Practicality: This 3-phase voltage relay does not require an external power supply. Has practical functions: power delay, output test, etc
  • Function: This voltage protection relay has overvoltage, undervoltage, phase loss, phase sequence and unbalanced three-phase voltage protection.
  • The Composition of This Product: Three-phase voltage protector, chronograph and counter are integrated in one relay.
  • Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail.
  • LED Indicator: The working status of the voltage control relay is indicated by the LED indicator.
  • Application: Equipment protection and control (tower cranes, elevators, agricultural equipment, refrigerated trucks); prevent reverse operation of equipment; normal/emergency power switch; prevent phase failure of dynamic loads.
  • High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%.
  • Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement).
  • LED Indication: This DPA51CM44 Monitoring Relay features an LED indication for easier installation and trouble shooting, which permits a maximum degree of protection to be achieved for machines, plants and systems, and avoid far more significant subsequent damage, very convenient and useful
  • 3-Phase Design: This Current Monitoring Relay is designed with 3-Phase Monitoring Relay to provide a correct phase sequence, without neutral, phase Loss and Incorrect phase sequence, so it can detect when all phases are present and have the correct sequence
  • Work Well: DPA51CM44 3-Phase Monitoring Relay features with strong anti-interference performance, so it helps maintain a constant and efficient work of the motor, it will provide an excellent performance during the working process
  • Multi-functioanl: This DPA51CM44 3-Phase Monitoring Relay has a widely use on the electric filed, and it can be applied to motor protection, elevator, air conditioning system, power system and other industries, very helpful tool during daily life
  • Small Size: This 3-Phase Monitoring Relay has a small compact size for easy and convenient use and install, and the size of the Monitoring Relay is 8.1 x 6.7 x 1.75 cm/3.1 x 2.6 x 0.6 inch, you can install it on any places around the room, saving a lot of place

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Voltage Monitoring Relay, VA Series, DPDT, 10 A, Socket, 240 VAC, Quick Connect

Search only MACROMATIC CONTROLS brand name
Voltage Monitoring Relay, VA Series, DPDT, 10 A, Socket, 240 VAC, Quick Connect

Current price: 85.14 USD


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Height: 4.3 Inches

Length: 2.6 Inches

Width: 1.9 Inches

Weight: 1 Pounds

  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted
  • ✈ PRODUCT NAME---Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity)
  • Compact size, only 18mm width, 35mm rail mounting.
  • The working status of the relay is indicated by the LED indicator, which is simple and convenient.
  • High accuracy, voltage measurement accuracy is ≦ 1%.
  • The operating mode can be selected via the rotary knob.
  • Monitor the working voltage (true RMS measurement).
  • ✔【IDEAL FOR】Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, etc
  • ✔【VOLTAGE IMBALANCE PROTECTION】Voltage imbalance protection, which refers to a protective measure that will affect the safe operation of the line due to three-phase voltage imbalance
  • ✔【REVERSE PHASE PROTECTION】Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action
  • ✔【PHASE LOSS PROTECTION】Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S
  • ✔【3 INDICATORS】The protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which can be directly installed separately or HT35 rail. Indicated by three indicators: normal, phase loss(voltage three-phase unbalance), reverse phase
  • The LCD can display data for easy reading.
  • 2 rest modules are optional, manual and automatic.
  • Practicality: This 3-phase voltage relay does not require an external power supply. Has practical functions: power delay, output test, etc
  • Function: This voltage protection relay has overvoltage, undervoltage, phase loss, phase sequence and unbalanced three-phase voltage protection.
  • The Composition of This Product: Three-phase voltage protector, chronograph and counter are integrated in one relay.
  • Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail.
  • LED Indicator: The working status of the voltage control relay is indicated by the LED indicator.
  • Application: Equipment protection and control (tower cranes, elevators, agricultural equipment, refrigerated trucks); prevent reverse operation of equipment; normal/emergency power switch; prevent phase failure of dynamic loads.
  • High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%.
  • Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement).
  • LED Indication: This DPA51CM44 Monitoring Relay features an LED indication for easier installation and trouble shooting, which permits a maximum degree of protection to be achieved for machines, plants and systems, and avoid far more significant subsequent damage, very convenient and useful
  • 3-Phase Design: This Current Monitoring Relay is designed with 3-Phase Monitoring Relay to provide a correct phase sequence, without neutral, phase Loss and Incorrect phase sequence, so it can detect when all phases are present and have the correct sequence
  • Work Well: DPA51CM44 3-Phase Monitoring Relay features with strong anti-interference performance, so it helps maintain a constant and efficient work of the motor, it will provide an excellent performance during the working process
  • Multi-functioanl: This DPA51CM44 3-Phase Monitoring Relay has a widely use on the electric filed, and it can be applied to motor protection, elevator, air conditioning system, power system and other industries, very helpful tool during daily life
  • Small Size: This 3-Phase Monitoring Relay has a small compact size for easy and convenient use and install, and the size of the Monitoring Relay is 8.1 x 6.7 x 1.75 cm/3.1 x 2.6 x 0.6 inch, you can install it on any places around the room, saving a lot of place
  • Price For: Each

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Acogedor Voltage Monitoring Relay, SVR1000 Single Phase Over-Voltage Under-Voltage Protection Relay, 35MM Guide Rail (AD220)

Search only Acogedor brand name
Acogedor Voltage Monitoring Relay, SVR1000 Single Phase Over-Voltage Under-Voltage Protection Relay, 35MM Guide Rail (AD220)

Current price: 12.19 USD


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Weight: 0.661386786 Pounds

  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted
  • ✈ PRODUCT NAME---Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity)
  • Compact size, only 18mm width, 35mm rail mounting.
  • The working status of the relay is indicated by the LED indicator, which is simple and convenient.
  • High accuracy, voltage measurement accuracy is ≦ 1%.
  • The operating mode can be selected via the rotary knob.
  • Monitor the working voltage (true RMS measurement).
  • ✔【IDEAL FOR】Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, etc
  • ✔【VOLTAGE IMBALANCE PROTECTION】Voltage imbalance protection, which refers to a protective measure that will affect the safe operation of the line due to three-phase voltage imbalance
  • ✔【REVERSE PHASE PROTECTION】Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action
  • ✔【PHASE LOSS PROTECTION】Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S
  • ✔【3 INDICATORS】The protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which can be directly installed separately or HT35 rail. Indicated by three indicators: normal, phase loss(voltage three-phase unbalance), reverse phase
  • The LCD can display data for easy reading.
  • 2 rest modules are optional, manual and automatic.
  • Practicality: This 3-phase voltage relay does not require an external power supply. Has practical functions: power delay, output test, etc
  • Function: This voltage protection relay has overvoltage, undervoltage, phase loss, phase sequence and unbalanced three-phase voltage protection.
  • The Composition of This Product: Three-phase voltage protector, chronograph and counter are integrated in one relay.
  • Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail.
  • LED Indicator: The working status of the voltage control relay is indicated by the LED indicator.
  • Application: Equipment protection and control (tower cranes, elevators, agricultural equipment, refrigerated trucks); prevent reverse operation of equipment; normal/emergency power switch; prevent phase failure of dynamic loads.
  • High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%.
  • Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement).
  • LED Indication: This DPA51CM44 Monitoring Relay features an LED indication for easier installation and trouble shooting, which permits a maximum degree of protection to be achieved for machines, plants and systems, and avoid far more significant subsequent damage, very convenient and useful
  • 3-Phase Design: This Current Monitoring Relay is designed with 3-Phase Monitoring Relay to provide a correct phase sequence, without neutral, phase Loss and Incorrect phase sequence, so it can detect when all phases are present and have the correct sequence
  • Work Well: DPA51CM44 3-Phase Monitoring Relay features with strong anti-interference performance, so it helps maintain a constant and efficient work of the motor, it will provide an excellent performance during the working process
  • Multi-functioanl: This DPA51CM44 3-Phase Monitoring Relay has a widely use on the electric filed, and it can be applied to motor protection, elevator, air conditioning system, power system and other industries, very helpful tool during daily life
  • Small Size: This 3-Phase Monitoring Relay has a small compact size for easy and convenient use and install, and the size of the Monitoring Relay is 8.1 x 6.7 x 1.75 cm/3.1 x 2.6 x 0.6 inch, you can install it on any places around the room, saving a lot of place
  • Price For: Each
  • ★★★★★No additional auxiliary power supply is required.
  • ★★★★★Real-time monitoring of single phase over-voltage and under-voltage fault.
  • ★★★★★Built-in LCD Chinese display voltage value, fault status, setting parameters.
  • ★★★★★Ac/dc voltage universal, automatic identification of ac/dc voltage, no need to switch.
  • ★★★★★Standard modular structure, guide rail type installation.

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Lovato Electric PMV55A240 Inc - Voltage Monitoring Relay for Single-Phase System, Minimum and Maximum AC Voltage, 208-240Vac 50/60Hz

Search only Lovato Electric brand name
Lovato Electric PMV55A240 Inc - Voltage Monitoring Relay for Single-Phase System, Minimum and Maximum AC Voltage, 208-240Vac 50/60Hz

Current price: 239.18 USD


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Weight: 0.24 Pounds

  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted
  • ✈ PRODUCT NAME---Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity)
  • Compact size, only 18mm width, 35mm rail mounting.
  • The working status of the relay is indicated by the LED indicator, which is simple and convenient.
  • High accuracy, voltage measurement accuracy is ≦ 1%.
  • The operating mode can be selected via the rotary knob.
  • Monitor the working voltage (true RMS measurement).
  • ✔【IDEAL FOR】Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, etc
  • ✔【VOLTAGE IMBALANCE PROTECTION】Voltage imbalance protection, which refers to a protective measure that will affect the safe operation of the line due to three-phase voltage imbalance
  • ✔【REVERSE PHASE PROTECTION】Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action
  • ✔【PHASE LOSS PROTECTION】Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S
  • ✔【3 INDICATORS】The protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which can be directly installed separately or HT35 rail. Indicated by three indicators: normal, phase loss(voltage three-phase unbalance), reverse phase
  • The LCD can display data for easy reading.
  • 2 rest modules are optional, manual and automatic.
  • Practicality: This 3-phase voltage relay does not require an external power supply. Has practical functions: power delay, output test, etc
  • Function: This voltage protection relay has overvoltage, undervoltage, phase loss, phase sequence and unbalanced three-phase voltage protection.
  • The Composition of This Product: Three-phase voltage protector, chronograph and counter are integrated in one relay.
  • Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail.
  • LED Indicator: The working status of the voltage control relay is indicated by the LED indicator.
  • Application: Equipment protection and control (tower cranes, elevators, agricultural equipment, refrigerated trucks); prevent reverse operation of equipment; normal/emergency power switch; prevent phase failure of dynamic loads.
  • High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%.
  • Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement).
  • LED Indication: This DPA51CM44 Monitoring Relay features an LED indication for easier installation and trouble shooting, which permits a maximum degree of protection to be achieved for machines, plants and systems, and avoid far more significant subsequent damage, very convenient and useful
  • 3-Phase Design: This Current Monitoring Relay is designed with 3-Phase Monitoring Relay to provide a correct phase sequence, without neutral, phase Loss and Incorrect phase sequence, so it can detect when all phases are present and have the correct sequence
  • Work Well: DPA51CM44 3-Phase Monitoring Relay features with strong anti-interference performance, so it helps maintain a constant and efficient work of the motor, it will provide an excellent performance during the working process
  • Multi-functioanl: This DPA51CM44 3-Phase Monitoring Relay has a widely use on the electric filed, and it can be applied to motor protection, elevator, air conditioning system, power system and other industries, very helpful tool during daily life
  • Small Size: This 3-Phase Monitoring Relay has a small compact size for easy and convenient use and install, and the size of the Monitoring Relay is 8.1 x 6.7 x 1.75 cm/3.1 x 2.6 x 0.6 inch, you can install it on any places around the room, saving a lot of place
  • Price For: Each
  • ★★★★★No additional auxiliary power supply is required.
  • ★★★★★Real-time monitoring of single phase over-voltage and under-voltage fault.
  • ★★★★★Built-in LCD Chinese display voltage value, fault status, setting parameters.
  • ★★★★★Ac/dc voltage universal, automatic identification of ac/dc voltage, no need to switch.
  • ★★★★★Standard modular structure, guide rail type installation.
  • Delayed trip
  • Minimum and maximum AC Voltage
  • Single phase system
  • Voltage monitoring relay

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Siemens 3UG4512-1AR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 160-690 Line Supply Voltage

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Siemens 3UG4512-1AR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 160-690 Line Supply Voltage

Current price: 77.06 USD


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Weight: 0.25 Pounds

  • ✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system
  • ✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate
  • ✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required
  • ✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted
  • ✈ PRODUCT NAME---Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity)
  • Compact size, only 18mm width, 35mm rail mounting.
  • The working status of the relay is indicated by the LED indicator, which is simple and convenient.
  • High accuracy, voltage measurement accuracy is ≦ 1%.
  • The operating mode can be selected via the rotary knob.
  • Monitor the working voltage (true RMS measurement).
  • ✔【IDEAL FOR】Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, etc
  • ✔【VOLTAGE IMBALANCE PROTECTION】Voltage imbalance protection, which refers to a protective measure that will affect the safe operation of the line due to three-phase voltage imbalance
  • ✔【REVERSE PHASE PROTECTION】Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action
  • ✔【PHASE LOSS PROTECTION】Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S
  • ✔【3 INDICATORS】The protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which can be directly installed separately or HT35 rail. Indicated by three indicators: normal, phase loss(voltage three-phase unbalance), reverse phase
  • The LCD can display data for easy reading.
  • 2 rest modules are optional, manual and automatic.
  • Practicality: This 3-phase voltage relay does not require an external power supply. Has practical functions: power delay, output test, etc
  • Function: This voltage protection relay has overvoltage, undervoltage, phase loss, phase sequence and unbalanced three-phase voltage protection.
  • The Composition of This Product: Three-phase voltage protector, chronograph and counter are integrated in one relay.
  • Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail.
  • LED Indicator: The working status of the voltage control relay is indicated by the LED indicator.
  • Application: Equipment protection and control (tower cranes, elevators, agricultural equipment, refrigerated trucks); prevent reverse operation of equipment; normal/emergency power switch; prevent phase failure of dynamic loads.
  • High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%.
  • Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement).
  • LED Indication: This DPA51CM44 Monitoring Relay features an LED indication for easier installation and trouble shooting, which permits a maximum degree of protection to be achieved for machines, plants and systems, and avoid far more significant subsequent damage, very convenient and useful
  • 3-Phase Design: This Current Monitoring Relay is designed with 3-Phase Monitoring Relay to provide a correct phase sequence, without neutral, phase Loss and Incorrect phase sequence, so it can detect when all phases are present and have the correct sequence
  • Work Well: DPA51CM44 3-Phase Monitoring Relay features with strong anti-interference performance, so it helps maintain a constant and efficient work of the motor, it will provide an excellent performance during the working process
  • Multi-functioanl: This DPA51CM44 3-Phase Monitoring Relay has a widely use on the electric filed, and it can be applied to motor protection, elevator, air conditioning system, power system and other industries, very helpful tool during daily life
  • Small Size: This 3-Phase Monitoring Relay has a small compact size for easy and convenient use and install, and the size of the Monitoring Relay is 8.1 x 6.7 x 1.75 cm/3.1 x 2.6 x 0.6 inch, you can install it on any places around the room, saving a lot of place
  • Price For: Each
  • ★★★★★No additional auxiliary power supply is required.
  • ★★★★★Real-time monitoring of single phase over-voltage and under-voltage fault.
  • ★★★★★Built-in LCD Chinese display voltage value, fault status, setting parameters.
  • ★★★★★Ac/dc voltage universal, automatic identification of ac/dc voltage, no need to switch.
  • ★★★★★Standard modular structure, guide rail type installation.
  • Delayed trip
  • Minimum and maximum AC Voltage
  • Single phase system
  • Voltage monitoring relay
  • Package Dimensions: 3.048 H x 10.414 L x 9.144 W (centimetres)
  • Package Weight: 0.25 pounds
  • Country of Origin : United States

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