Phase Failure Overload Protector Unbalanced Motor Protection Relay Motor Protector
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Phase Failure Overload Protector Unbalanced Motor Protection Relay Motor Protector

Phase Failure Overload Protector Unbalanced Motor Protection Relay Motor Protector

Phase failure Overload Protector unbalanced motor protection relay motor protector Model Selection Table Technical Param
Basic Info.
Model NO. ZHRA1-K
Protective Characteristics Enclosed Rlay
Action Principle Electromagnetic Type
Size Miniature
Type Motor Protector
Tripping Class 10A, 10, 20, 30
Protective Function Overload, Phase Failure, Rotor-Locked, Asymmetry
Mounting Screw or DIN Rail Mounting
Power Consumption <1.5 Va
Number of Poles 3
Contact Capacity Ith:5A;AC-15:Ue/Ie 380V/0.95A 240V/1.5A
Setting Method Knob Setting
Current Setting Range 1A~5A, 4A~20A, 8A~40A, 16A~80A, 40A~200A, 80A~400A
Ated Control Supply Voltage AC380V, AC220V 50/60Hz
Transport Package Standard Packing
Specification customized
Trademark AKMAN
Origin Zhejiang China
HS Code 8537109090
Production Capacity 10000PCS/Week
Product Description

Phase failure Overload Protector unbalanced motor protection relay motor protector
Model Selection Table
ModelRated working current rangeApplicable motor power(AC380V)
ZHRA1 K -5 1A~5A0.55kW~2.2kW
ZHRA1 K -20 4A~20A2.2kW~7.5kW
ZHRA1 K -40 8A~40A3.7kW~17kW
ZHRA1 K -8016A~80A11kW~37kW
ZHRA1 K -20040A~200A55kW~90kW
ZHRA1 K -40080A~400A45kW~185kW

Technical Parameters
Rated control supply voltageAC380V,AC220V 50/60Hz
Current measurement accuracy≤2%
Setting accuracy≤5%
Setting modeKnob setting
Number of poles3P
Rated insulation voltageAC690V
Class of pollution3
IP ClassIP20
Type and set of contacts95
Contact capacityIth:5A;AC-15:Ue/Ie 380V/0.95A 240V/1.5A
Use categoryAC-15
Electrical Life105
Mechanical life106
Altitude≤2000m
Allowable relative humidity≤50%(40ºC)(NO condensation)
Power consumption≤1.5 VA
InstallationScrew or DIN rail mounting
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.
Wiring Diagram

Phase Failure Overload Protector Unbalanced Motor Protection Relay Motor Protector


Dimensions(mm)

Phase Failure Overload Protector Unbalanced Motor Protection Relay Motor Protector


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Phase Failure Overload Protector Unbalanced Motor Protection Relay Motor Protector

Phase Failure Overload Protector Unbalanced Motor Protection Relay Motor Protector

Phase Failure Overload Protector Unbalanced Motor Protection Relay Motor Protector

Q1.Are you a factory or trading company ?
A:We are a factory founded in 2010 and have over 10 years'OEM and international trading experience .Q2.What's your main product?
A:Our main products are time Relay, voltage Relay, motor protector, current relay,solid state relayQ3.Do you accept OEM or ODM?
A:Of course.Q4.What's your main payment term?
A:T/T ,LC ,D/P.Q5.Any quality guarantee or after-sales service?
A:All the products have 2 years' Guarantee. If any quality complaint , we will give out solution within 5 daysQ6.Can sample fee be returned back to me ?
A:Sample amount can be deducted from your bulk order payment when order quantity is over 1000 pieces at the first time.