PSTB570-690-70
Product ID:72840
Updated: 2026/4/3

Key Features
- 1Reduce mechanical load and torque during motor startup. 2、Support main voltage up to 690V and control supply 110-240V. 3、Integrate electronic overload protection with adjustable current. 4、Adjust start and stop ramp times from 1 to 30 seconds. 5、Include run, by-pass, fault, and overload signal relays.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Net Width | 436 mm | Product Net Height | 515 mm |
| Product Net Depth / Length | 381 mm | Product Net Weight | 52 kg |
| Rated Operational Voltage | Main Circuit 400 ... 690 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) 315 kW (500 V) 400 kW (690 V) 560 kW |
| Rated Operational Current - In-Line Connection (Ie) | 570 A | Rated Operational Power - Inside Delta Connection | at 400 V 540 kW at 500 V 700 kW at 690 V 960 kW |
| Rated Operational Current - Inside Delta Connection | 987 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 | 0â¦10 volts 0â¦20 mA 4â¦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 | acc. to IEC 60529, IEC 60947-1, EN 60529 Main Terminals IP00 |
| Terminal Type | Main Circuit: Bars | Connecting Capacity Main Circuit | Hole Diameter 12.5 mm Width and Thickness 40x6 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 | PSTB570 |
| Ambient Air Temperature | Operation 0 ... +50 °C Storage -25 ... +70 °C | Object Classification Code | Q |
| ETIM 7 | EC000640 - Soft starter | ETIM 8 | EC000640 - Soft starter |
| ETIM 9 | EC000640 - Soft starter | eClass | V11.0 : 27370907 |
| UNSPSC | 39121521 | Manufacturer ID | 1SFA895017R7000 |
Specifications may be subject to change without notice
