APR-4VT Protection Relay

APR-4VT is the relay to prevent the reverse run of three-phase induction motor. In addition the power surge absorber to prevent high voltage, which can effectively protect the load with phase sequence, phase lack protection function and time delay function.

  • Available 3 wire
  • Adjustable over & under voltage control
  • Power Supply:
    3 x 110V AC, 3 x 220V AC, 3 x 380V AC, 3 x 400V AC , 3 x 415V AC, 3 x 440V AC.
  • Universal wide operating voltage range: Rated voltage adjustable ±30%
  • Delay Time: max 5s
  • With four LED action shows that the status of its action (normal,phase sequence, phase loss, Under / over voltage).

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Product Selection

Voltage220Vac or 380Vac
Frequency50/60 Hz

Technical Data

Indicator operatingNormal,phase sequence, phase loss, Under / over voltage indicator
Contact rating5A 250VAC(Resistive load)
LifeElectrical 1×100000 times; Mechanical 5×1000000 times
Insulation resistance100MΩ(DC 500V)min
Dielectric strength1500VAC
Consumed power2VA
Ambient temperature-10℃~+55℃
Ambient humidity48~85%RH
Weight110g

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APR-4VT protection relay

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