ZHRA1 Motor Protector relay

ZHRA1 Motor Protector relay
ZHRA1 Motor Protector relay

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Function
Categories Motor Protector Relay
Rated control supply voltage AC380V. AC220V. 50Hz/60Hz
Rated insulation voltage AC690v
Contact capacity Ith:5A;AC-15;Ue/Ie 380V/0.95A 240V/1.5A
Current measurement accuracy ≤2%
Number of poles 3P
IP Class IP20
Use category AC-15
Altitude ≤2000m
Coordination type 2
Power consumption ≤1.5VA
 
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%.Konb setting,LED indicator show working statud.With phase failure,overload,unbalance,syall protecting,four optional trip classes.No-load start,protection of any phase loss or overload.No contact protection.

Rated supply voltage AC380V、AC220V 50Hz/60Hz
Current measurement accuracy ≤2%
Number of poles 3P
Rated insulation voltage AC690V
IP Class IP20
Coordination type 2
Contact capacity Ith: 5A; AC-15 : Ue/le 380V/0.95A 240V/1.5A
Use category AC-15
Electrical life

105

Mechanical life

106

Altitude ≤2000m
Allowable relative humidity ≤50%(40°C)(No condensation)
Power consumption ≤1 5VA
Insallation Screw mounting

 

Wiring Diagram

Wiring Diagram:Direct start(with 220V contactors),Direct start(with 380V contactors),Secondary current(with 220V contactors,Secondary current(with 380V contactors)

Dimensions

Dimensions:1A~80A,40A~400A

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