PSTX1250-690-70 Softstarter – 1250 A – 208 … 690 V AC
| Global Commercial Alias | PSTX1250-690-70 |
| Product ID | 1SFA898221R7000 |
| Catalog Description | PSTX1250-690-70 Softstarter – 1250 A – 208 … 690 V AC |
| Product Net Width | 435 mm |
| Product Net Height | 565 mm |
| Product Net Depth / Length | 367 mm |
| Product Net Weight | 63.3 kg |
| Rated Operational Voltage | 208 … 690 V AC |
| Rated Control Supply Voltage (Us) | 100 … 250 V AC |
| Rated Control Circuit Voltage (Uc) | 24 V DC |
| Rated Frequency (f) | 50/60 Hz (Main Circuit) |
| Rated Operational Power – In-Line Connection (Pe) | (230 V): 400 kW (400 V): 710 kW (500 V): 880 kW (690 V): 1200 kW |
| Rated Operational Current – In-Line Connection (Ie) | 1250 A |
| Rated Operational Power – Inside Delta Connection | (230 V): 670 kW (400 V): 1200 kW (500 V): 1500 kW (690 V): 2000 kW |
| Rated Operational Current – Inside Delta Connection | 2160 A |
| Service Factor Percentage | 100 % |
| Overload Protection | Built-in electronic overload protection |
| Integrated Electronic Overload | Yes |
| Starting Capacity at Maximum Rated Current Ie | 4×Ie for 10 s |
| Ramp Time | 1 … 120 s |
| Initial Voltage During Start | 10 … 99 % (of nominal voltage) |
| Step Down Voltage Special Ramp | 100 … 10 % |
| Current Limit Function | 1.5 … 7.5 × Ie |
| Switch for Inside Delta Connection | Yes |
| Run Signal Relay | Yes |
| By-pass Signal Relay | Yes |
| Fault Signal Relay | Yes |
| Overload Signal Relay | Yes |
| Analog Outputs | 0…10 V, 0…20 mA, 4…20 mA |
| Signal Indication – Ready to Start/Standby ON | Green (LED) |
| Signal Indication – Running | Green (LED) |
| Signal Indication – Protection | Yellow (LED) |
| Signal Indication – Fault | Red (LED) |
| Communication Protocols | Modbus-RTU; Modbus-TCP; Ethernet-IP; EtherCAT; DeviceNet; CANopen; Profibus; Profinet; BACnet-IP; BACnet-MSTP |
| Degree of Protection | IP00 (Main Terminals), acc. to IEC 60529, IEC 60947-1, EN 60529 |
| Terminal Type | Main Circuit: Bars |
| Connecting Capacity – Control Circuit | Rigid 1 × 2.5 mm² |
| Connecting Capacity – Supply Circuit | Rigid 1 × 2.5 mm² |
| Tightening Torque – Main Circuit | 45 N·m |
| Product Main Type | PSTX1250 |
| Horsepower Rating UL/CSA | (200 … 208 V AC) Three Phase: 400 Hp (220 … 240 V AC) Three Phase: 500 Hp (440 … 480 V AC) Three Phase: 1000 Hp (550 … 600 V AC) Three Phase: 1200 Hp |
| Maximum Operating Voltage UL/CSA | Main Circuit: 690 V |
| Tightening Torque UL/CSA – Main Circuit | 398.3 in·lb (equivalent to 45 N·m) |
| Ambient Air Temperature – Operation | –25 … +60 °C |
| Ambient Air Temperature – Storage | –40 … +70 °C |







