ZHRA2-A,B,D Motor Protector relay

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

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Categories Motor Protector Relay
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 IP20
Use category AC-15
Starting avoid time 2s~ 120s adjustable
Tripping class 1、2(10A)、 3(10)、 4(20)、5(30)
Protection Overload, current unbalance, phase loss, temperature
Convertion time 2s~ 900s adjustable
Current unbalance rate 20%~ 90% adjustable
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.

Rated control supply voltage AC220V、AC380V 50Hz/60Hz
Setting mode Button stting
Starting avoid time 2s~ 120s adjustable
Tripping class 1.2(10A)、 3(10)、 4(20)、 5(30)
Protection Overload, crrent unbalance, phase loss, temperature
Convertion time 2s~900s adjustable
Current unbalance rate 20% ~90% adjustable
Ground temperature protection support temperature protection with temperature switch
Definite time protection Closable, open with overload ratio 1.2- 6.0 adjustable, protection action time 1s - 9s adjustable
Self- satart after outage Closable, open with 1s ~900s adjustable
Contact capacity Ith: 5A; AC-15: Ue/le 380V/0.95A 240V/1.5A
Use category AC-15
IP Class IP20
Insallation Screw mounting

 

Wiring Diagram
Wiring Diagram:For oilfield 3-contactor connection,For oilfield 2-contactor connection
Dimensions
Dimensions

 

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