Top Phase Relay

AC 480V 3 Phase Circuit Protection Voltage Monitoring Relay 5 Indicators Heavy Duty Phase Failure Sequence Protection Relay Stable for Air Compressors

  • Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement)..
  • High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%..
  • Application: Equipment protection and control (tower cranes, elevators, agricultural equipment, refrigerated trucks).
  • LED Indicator: The working status of the voltage control relay is indicated by the LED indicator..
  • Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail..
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Voltage Monitoring Relay Protection 3-Phase AC 220-440V Small Size Phase Sequence Protection Phase Sequence Relay for Industry Applications

  • Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
  • Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
  • Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
  • Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
  • The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..
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Automotive Heating and Air Conditioning (Pearson Automotive Series)

  • Price For: Each Item: Hard Start Kit Application: For Use on Residential and Commercial Air Conditioning Units, Heat Pumps and Room Air Conditioners, Provide Additional Starting Torque to all Single Phase 115 thru 288 Volt Units Includes: Lead Wires, Electronic Potential Relay (EPR), 330 V Capacitor Type: Relay and Start Capacitor Voltage: 90-277 HP: 1/2 to 10 Increased Torque (Oz.-In.): 300.
  • Country of Origin (subject to change): China.
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TG30S Mini AC 220-440V Voltage Monitoring Relay Phase Sequence Protection Protection 3-Phase Phase Sequence Relay for Industry Applications

  • Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
  • Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
  • Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
  • Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
  • The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..
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Mini AC 220-440V TG30S Phase Sequence Protection Voltage Monitoring Relay Voltage Phase Protective Relay Building Electronics Projects for Industry Applications

  • Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
  • Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
  • Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
  • Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
  • The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..
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Siemens 3UG4512-1BR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay Time, 160-690 Line Supply Voltage

  • Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement)..
  • High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%..
  • Application: Equipment protection and control (tower cranes, elevators, agricultural equipment, refrigerated trucks).
  • LED Indicator: The working status of the voltage control relay is indicated by the LED indicator..
  • Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail..
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NR2-93 Thermal Overload Relay Thermal Protector 50-60hz Overload Protection(37-50A)

  • Suitable for using in power system with rated isolation voltage up to 690V, circuit of 50-60hz.
  • Can be used as overload protection of your long term or indirect long term service motor.
  • Used for protecting the phase break when the electric motor is overload.
  • The relay has different mechanism and temperature compensation.
  • With phase break protection, manual and automatic reset, temperature compensation, trip indication, test button and stop button.
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CR Magnetics CR2550-A Low Cost Remote Current Indicator with Amber LED, 1.5 AAC Turn-On Point

  • Low cost for high volume OEM installations.
  • Electrical isolation between circuits, output relay rated up to 20 Amps.
  • LED trip status indicator, dead band prevents relay chatter.
  • Calibrated dial option available, external current transformers available.
  • Applications: monitor electrical heater elements, sense motor over/under loads, detect lamp burn-out, indicate phase loss.
  • Variable trip point and time delay, monitors currents from 10 mA to 60 AC amps.
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NEW TeSys LRD thermal overload relays LR-D32 LRD32 23-32A Class 10A

  • Working Range: Suitable for using in power system with rated isolation voltage up to 690V, circuit of 50-60hz.
  • Longer Service: Can be used as overload protection of your long term or indirect long term service motor.
  • Protection Function: Used for protecting the phase break when the electric motor is overload.
  • Temperature Compension: The relay has different mechanism and temperature compensation.
  • Multifunctions: With phase break protection, manual and automatic reset, temperature compensation, trip indication, test button and stop button.
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Phase Monitoring Relays JVR800-2 Under Over Voltage Protector, Three-Phase Voltage Monitoring Sequence Protection Relay with

  • This monitoring relay can monitor own working voltage..
  • 8 kinds of rated voltages are adjustable, can apply to voltages in all regions of the world.
  • The working status of the relay is indicated by the LED indicator.
  • Ultra-small size and it is easy to install..
  • It is applied to mobile device connection control, causing accidents in equipment protection against reverse operation, normal/emergency power switch, preventing phase failure of power load..
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Siemens 14DUE32AF Heavy Duty Motor Starter, Solid State Overload, Auto/Manual Reset, Open Type, Standard Width Enclosure, 3 Phase, 3 Pole, 1 NEMA Size, 10-40A Amp Range, A1 Frame Size, 120 Separate Control 60Hz Coil Voltage

  • Price For: Each Standards: UL, CSA Enclosure NEMA Rating: No Enclosure Starter Type: NEMA Style Hz: 50/60 Item: NEMA Magnetic Motor Starter Auxiliary Contact Form: 1NO Number of Poles: 3 Overload Relay Amp Setting: 5.50 to 22A Action: Nonreversing NEMA Size: 1 Width: 3.5" HP @ 3 Phase - 575V: 10 HP @ 3 Phase - 480V: 10 HP @ 3 Phase - 240V: 3.
  • HP @ 3 Phase - 208V: 3 Height: 7.44" Depth: 3.75" Coil Volts: 120VAC Amps AC: 27 Country of Origin (subject to change): Mexico.
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ATO Phase Voltage Monitoring Sequence Relay 1 Phase Voltage Protection Relay Under Over Voltage with 1 CO + 1 NC Contacts AC/DC 24-48V

  • 【Measuring Circuit】Phase sequence protection relay is compatible with AC and DC supply, the rated voltage is AC/DC 24-48V.
  • 【High-quality Product】LCD display indicating voltage, operation and fault status, adjustable reset mode: automatic/manual/automatic with power-on delay reset, fault recording for the lately 3 faults.
  • 【Mutiple Functions】Adjustable overvoltage and undervoltage threshold, independent adjustable delay time for over-voltage, under-voltage.
  • 【Output Contacts】Monitoring relay with 1 CO + 1 NC contacts, and the capacity is 6A, 250V AC (resistive load).
  • 【Wide Applications】Voltage monitoring sequence relay can be applied in equipment or devices from undervoltage and overvoltage in the applications like air compressors, electric motors, pumps, fans, air-conditioning system, blowers, elevators, cranes, refrigeration equipment, laser equipment, industrial control system, etc..
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