Used in switchgear, air conditioning units, elevator machine room, pumps, fans and other motor control applications, With phase loss, overload protection.
Features:
Built-in microprocessor, current measurement accuracy≤0.2%. Button (dialbutton) setting, digital tube display current values. 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(380V) | Core through way |
| ZHRA2S-6 | 0.5A~6A | 0.25kW~3kW | / |
| ZHRA2S-60 | 5A~60A | 3kW~30kW | |
| ZHRA2S-240 | 20A~240A | 11kW~110kW | Once core through |
Technical Parameters
| Rated control supply voltage | AC380V,AC220V 50/60Hz |
| Current measurement accuracy | ≤2% |
| Display mode | Digital tube display |
| Setting mode | Button setting |
| Rated working voltage | AC380V |
| Number of poles | 3P |
| Rated insulation voltage | AC690V |
| IP Class | IP20 |
| Coordination type | 2 |
| Type and set of contacts | |
| 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)



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