HSD2 series intelligent motor protector (hereinafter referred to as protector) has protection function of overload,phase failure,unbalance,under load, grounding protection , stall ,blocking, starting overtime, temperature (PTC), over voltage, under voltage, under power and has starting method of direct start, bidirectional start, star delta start, self coupling transformer step-down start and has measurement function of three phase current, three phase voltage, active power and has communication function of RS485 interface, MODBUS-RTU communication protocol. The protection device adopts the modular product design structure, including the main module (protection control function), mutual inductor detection module, field bus communication module. According to the need to select the protection function module or accessories and contactors and other electrical components can constitute the motor protection control unit which has the functions of direct control, panel indication, signal alarm and field bus communication and is suitable for the fields of coal mine, petrochemical industry, metallurgy, electric power, shipbuilding, civil engineering, etc.
| technical parameter | Technical index | |
| Protector auxiliary power supply | AC100V～AC220V、DC110-250V | |
| Rated operating voltage of motor | AC400V,50Hz | |
| Rated operating current of motor | 6.3A(2.0A-6.3A) | |
| 25A(6.3A-25A) | ||
| 100(25A-100A) | ||
| 250A(100A-250A) | ||
| Relay output contact, Rated load capacity | AC230V 2A，DC30V 2A | |
| Release level | 10A | |
| communication | RS485 MODBUS MODBUS | |
| Analog output | 4~20mA | |
| environment | working temperature | -5℃～50℃ |
| Storage temperature | -20℃～75℃ | |
| relative humidity | 5%～90% dew | |
| altitude | ≤2000m | |
| Use category | A | |
| pollution level | 3級 | |
| Protection level | IP20 | |
