PSTB720-600-70
Softstarter – 720 A – Main Circuit 208 … 600 V AC
| Manufacturer | ABB |
| Model# | PSTB720-600-70 |
| Product Description | PSTB720-600-70 Softstarter – 720 A – Main Circuit 208 … 600 V AC |
| Type | Softstarter |
| Product Net Weight: | 55 kg |
| Product Net Depth / Length: | 436 mm |
| Product Net Height: | 515 mm |
| Product Net Width: | 381 mm |
| Country of Origin: | Sweden |
| Technical | |
| Rated Operational Voltage: | Main Circuit 208 … 600 V AC |
| Rated Control Supply Voltage (Us): | 100 … 250 V AC |
| Rated Control Circuit Voltage (Uc): | DC Operation 24 V |
| Rated Frequency (f): | 50/60 Hz Main Circuit 50 / 60 Hz |
| Rated Operational Power – In-Line Connection (Pe): | (400 V) 400 kW (500 V) 500 kW |
| Rated Operational Current – In-Line Connection (Ie): | 720 A |
| Rated Operational Power – Inside Delta Connection: | at 400 V 710 kW at 500 V 880 kW |
| Rated Operational Current – Inside Delta Connection: | 1247 A |
| Service Factor Percentage: | 115% |
| Overload Protection: | Build-in electronic overload protection |
| Integrated Electronic Overload: | Yes |
| Adjustable Rated Motor Current Ie: | 30 … 115 % |
| Starting Capacity at Maximum Rated Current Ie: | 3xIe for 15s |
| Ramp Time: | 0 … 120 second [unit of time] 1 … 120 second [unit of time] |
| Initial Voltage During Start: | 30 … 70 % |
| Step Down Voltage Special Ramp: | 100 … 30 % |
| Current Limit Function: | 1.5 … 7xIe |
| 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 volts 0…20 mA 4…20 mA |
| Signal Indication Ready to Start/Standby ON (LED): | Green |
| Signal Indication Protection (LED): | Yellow |
| Signal Indication Fault (LED): | Red |
| Number of Starts Per Hour at 3.5*Ie for 7 sec. 50% ON Time 50% OFF Time: | 10 |
| Communication: | FiledBusPlug(Standard) |
| Degree of Protection: | IP00 |
| Terminal Type: | Main Circuit: Bars |
| Connecting Capacity Main Circuit: | Hole Diameter 12.5 mm Width and Thickness 40×6 mm |
| Connecting Capacity Control Circuit: | Rigid 1 x 2.5 mm² Rigid 2 x 1.5 mm² |
| Connecting Capacity Supply Circuit: | Rigid 1 x 2.5 mm² |
| Tightening Torque: | Control Circuit 0.5 N·m Main Circuit 45 N·m Supply Circuit 0.5 N·m |
| Product Main Type: | PSTB720 |
| Environmental | |
| Ambient Air Temperature: | Operation 0 … +50 °C Storage -25 … +70 °C |
| Degree of Protection: | IP00 |









