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ZHRA2-A,B,D Motor Protector relay

ZHRA2-A,B,D Motor Protector relay

ZHRA2-A,B,D Motor Protector relay
CategoriesMotor Protector Relay
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Rated control supply voltageAC380V. AC220V. 50Hz/60Hz
Contact capacityIth:5A;AC-15;Ue/Ie 380V/0.95A 240V/1.5A
Setting modeButton setting
IP ClassIP20
Use categoryAC-15
Starting avoid time2s~ 120s adjustable
Tripping class1、2(10A)、 3(10)、 4(20)、5(30)
ProtectionOverload, current unbalance, phase loss, temperature
Convertion time2s~ 900s adjustable
Current unbalance rate20%~ 90% adjustable
Update Time2019-12-07
Detail Information

Function

Applications

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.

 Features 

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
Dimensions