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ZHRA3 Motor Protector relay

ZHRA3 Motor Protector relay

ZHRA3 Motor Protector relay
CategoriesMotor Protector Relay
Rated control supply voltageAC/DC100V~240V AC380V. AC220V. 50Hz/60Hz
Contact capacityIth:5A;AC-15;Ue/Ie 380V/0.95A 240V/1.5A
Setting modeButton setting
IP ClassIP20
Use categoryAC-15
Start time2s~ 120s adjustable
Tripping classtripping class(5,10,10A.20.30)
ProtectionOverload, current unbalance, phase loss, temperature
Current unbalance rate40%~ 90% adjustable
InstallationManfame panel inslation tansomer panel isalatioii by screw orail
Update TimeApr 24,2024
Detail Information



Used in air conditioning units, elevator machine room, pumps, fans and other motor control applications, as protection  of  over-voltage,  under  voltage, phase failure, phase sequence and phase unbalance. When the power  supply is abnormal, turn off power supply to protect the equipment.


      Built-in microcontroller, installed in a cabinet or 1/4 drawer unit. Currentmeasurement accuracy ≤ 2%, button setting, LCD backlit display current, faultstatus. 5 optional adjustable overload characteristic. With 1-set changeover and1-set auxiliary NO contacts. Enable star-delta and  auto  buck starts.Optional 4mA~ 20mA analog output and RS485 communication interface,support Modbus protocol, available network communication.

Wiring Diagram