ZHRA2-A,B,D Motor Protector relay
ZHRA2-A,B,D Motor Protector relay

Item specifics

Rated control supply voltage
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
Starting avoid time
2s~ 120s adjustable
Tripping class
1、2(10A)、 3(10)、 4(20)、5(30)
Overload, current unbalance, phase loss, temperature
Convertion time
2s~ 900s adjustable
Current unbalance rate
20%~ 90% adjustable

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 microprocessor,current measurement accuracy ≤2%.Button setting,double LED digital display. With three-phase current inquiry and protectionof overload, phase failure, unbalance and temperature. Support power-offself-staring, two-speed motors, star-delta starter.No-load start,protection of any phase loss or overload.No contact protection.

Wiring Diagram