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Home ProductMotor Protector Relay
Applications
Motor protection relay used in switchgear, air conditioning units, elevator machine room, pumps, fans and other motor control applications, With phase loss, overload multi protect function .
Features:
Overload protection relay built-in microcontrollers, current measurement accuracy≤0.2%. Knob 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
Low and high current relay Model Selection Table
|
Model |
Rated working current range |
Applicable motor power |
|
ZHRA1-5 |
1A~5A |
0.55kW~2.2kW |
|
ZHRA1-20 |
4A~20A |
2.2kW~7.5kW |
|
ZHRA1-40 |
8A~40A |
3.7kW~17kW |
|
ZHRA1-80 |
16A~80A |
11kW~37kW |
|
ZHRA1-200 |
40A~200A |
55kW~90kW |
|
ZHRA1-400 |
80A~400A |
45kW~185kW |
Digital motor protection relay 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 |
Ⅲ |
|
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%(40℃)( NO condensttion) |
|
Power consumption |
≤1.5 VA |
|
Installation |
Screw or DIN rail mounting |
Unbalance relay Wiring Diagram
Dimensions(mm)
Ordering instructions
ZHRA1-80/A220
Model significance
ZHRA1-80/A220 motor protector, knob setting, setting current range 16A~80A, rated control voltage AC220V.
