| Basic parameters |
| Type of load | Three-phase squirrel cage asynchronous and synchronous motors |
| AC voltage | 3000---10000VAC |
| Service frequency | 50HZ/60HZ±2HZ |
| Phase sequence | Allowed to work with any phase sequence |
| Composition of major loop | (12SCRS,18SCRS,30SCRS depend on model) |
| Bypass contactor | Contactor with direct starting capacity |
| Control power | AC220V±15% |
| Transient voltage overload protection | dv/dt snubber network |
| Start frequency | 1-3 times per hour |
| Ambient condition | Ambient temperature: -20°C -+50°C |
| Relative humidity: 5%----95% no condensation |
| Altitude less than 1500m (derating when altitude is more than 1500m) |
| Protective functions |
| Open-phase protection | Cut off any phase of primary power supply in the course of starting or operation. |
| Over-current protection in operation | Operational Over-current protection setting: 20~500%Ie |
| Unbalanced phase current protection | Unbalanced phase current protection: 0~100% |
| Overload protection | 10A,10,15,20,25,30,OFF |
| Underload protection | Underload protection grade: 0~99%
Action time of underload protection: 0~250S |
| Start timeout | Start time limit: 0~120S |
| Over-voltage protection | When voltage of primary power supply is 120% higher than rated value, over-voltage protection is enabled. |
| Under-voltage protection | When voltage of primary power supply is 70% lower than rated value, under-voltage protection is enabled. |
| Phase protection | Allow to work with any phase sequence (through setting parameter) |
| Ground protection | Protection available when grounding current is higher than set value |
| Description of communication |
| Protocol | Modbus RTU |
| Communication interface | RS485 |
| Network connection | Each can communicate with 31 equipments in network. |
| Function | Operation state and programming can be observed through communication interface. |
| Operating interface |
| LCD display | LCD display/touch screen display |
| Language | Chinese and English |
| Keyboard | 6 touch membrane keyboard |
| Meter display |
| Voltage of primary power supply | Display voltage of three-phase primary power supply |
| Three-phase current | Display current of three-phase major loop |
| Data record |
| Fault history | Record recent 15 faults information |
| History of number of starts | Record number of starts of this soft starter |
