Home / all / Relay / Motor Protector Relay /

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 Time2022/9/25
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