Over-Load Phase Failure Unbalance Protection for Motor Protection

• Usage: Motor Control Applications
• Phase: 3
• Electricity Type: Ac
• Number of Pole: 3
• Load: High Power Relay
• Protective Characteristics: Enclosed Rlay
• Model NO.: ZHRA1-K
• Action Principle: Electronic Type
• Size: Miniature
• Type: Motor Protector
• Ated Control Supply Voltage: AC380V, AC220V 50/60Hz
• Current Setting Range: 1A~5A, 4A~20A, 8A~40A, 16A~80A, 40A~200A, 80A~400A
• Contact Capacity: Ith:5A;AC-15:Ue/Ie 380V/0.95A 240V/1.5A
• Setting Method: Knob Setting
• Protective Function: Overload, Phase Failure, Rotor-Locked, Asymmetry
• Setting Mode: 10A, 10, 20, 30
• Number of Poles: 3
• Power Consumption: <1.5 Va
• Mounting: Screw or DIN Rail Mounting
• Transport Package: Standard Packing
• Trademark: AKMAN
• Origin: Zhejiang China
• HS Code: 8537109090
• Production Capacity: 10000PCS/Week

Product Description

Applications
Used in switchgear, air conditioning units, elevator machine room, pumps, fans and other motor control applications, With phase loss, overload protection.
 
Features:
Built-in microcontrollers, current measurement accuracy≤0.2%. Konb setting, LED indicator shows working status. With phase failure, overload, unbalance, stall protection, four optional trip classes. No-load start, protection of any phase loss or overload.NO contact protection.
 
Model Description
 

Model Selection Table

Model	Rated working current range	Applicable motor power(AC380V)
ZHRA1 K -5	1A~5A	0.55kW~2.2kW
ZHRA1 K -20	4A~20A	2.2kW~7.5kW
ZHRA1 K -40	8A~40A	3.7kW~17kW
ZHRA1 K -80	16A~80A	11kW~37kW
ZHRA1 K -200	40A~200A	55kW~90kW
ZHRA1 K -400	80A~400A	45kW~185kW

 
Technical Parameters

Rated control supply voltage	AC380V,AC220V  50/60Hz
Current measurement accuracy	≤2%
Setting accuracy	≤5%
Setting mode	Knob setting
Number of poles	3P
Rated insulation voltage	AC690V
Class of pollution	3
IP Class	IP20
Type and set of contacts	95
Contact capacity	Ith:5A;AC-15:Ue/Ie 380V/0.95A 240V/1.5A
Use category	AC-15
Electrical Life	105
Mechanical life	106
Altitude	≤2000m
Allowable relative humidity	≤50%(40ºC)(NO condensation)
Power consumption	≤1.5 VA
Installation	Screw or DIN rail mounting

 
Wiring Diagram



Dimensions(mm)