ZHRA3 Motor Protector relay
ZHRA3 Motor Protector relay

Item specifics

Rated control supply voltage
AC/DC100V~240V AC380V. AC220V. 50Hz/60Hz
Contact capacity
Ith:5A;AC-15;Ue/Ie 380V/0.95A 240V/1.5A
Setting mode
Button setting
IP Class
Use category
Start time
2s~ 120s adjustable
Tripping class
tripping class(5,10,10A.20.30)
Overload, current unbalance, phase loss, temperature
Current unbalance rate
40%~ 90% adjustable
Manfame panel inslation tansomer panel isalatioii by screw orail

Product review




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