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) |
| ZHRA1-5 | 1A~5A | 0.55kW~2.2kW |
| ZHRA1-10 | 2A~10A | 1.1kW~4kW |
| ZHRA1-30 | 6A~30A | 3 kW~15kW |
| ZHRA1-80 | 16A~80A | 11kW~37kW |
| ZHRA1-200 | 40A~200A | 55kW~90kW |
| ZHRA1-400 | 80A~400A | 45kW~185kW |
Technical Parameters
| Rated control supply voltage | AC380V,AC220V 50/60Hz |
| Current measurement accuracy | ≤2% |
| Setting accuracy | ≤5% |
| Number of poles | 3P |
| Rated insulation voltage | AC690V |
| IP Class | IP20 |
| Coordination type | 2 |
| 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 mounting |
Wiring Diagram
Dimensions(mm)
Model significance:
ZHRA1-80/A220 motor protector,knob setting,setting current range 16A~80A,rated control voltage AC220V.
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