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abb softstarter PSTX85-600-70 pstx (600v) range 85 amp
ABB PSTX85-600-70 advanced softstarter with 85 A rated current and 208–600 V AC three phase operation designed for industrial motor starting and protection applications.
£1,917.94
Why Choose the ABB PSTX85-600-70 Softstarter?
The ABB PSTX85-600-70 is an advanced softstarter designed for reliable starting and stopping control of three-phase AC motors in industrial applications. As part of the high-performance ABB PSTX softstarter series, it provides smooth motor acceleration and deceleration while reducing mechanical stress, electrical wear and high starting currents during motor operation.
This softstarter combines intelligent motor control with integrated protection, monitoring and communication functions to improve equipment reliability and operational efficiency. The PSTX series includes advanced features such as torque control, current limitation, electronic overload protection, built-in bypass and diagnostic functions for modern industrial automation systems.
With a rated operational current of 85 A and a 208–600 V AC three-phase motor voltage range, the PSTX85-600-70 is suitable for industrial motor applications including pumps, fans, compressors, conveyors and process machinery. It supports motor ratings up to 45 kW at 400 V in standard in-line connection and up to 75 kW at 400 V in inside delta connection.
Key Advantages
- Advanced softstarter designed for industrial motor control applications.
- 85 A rated operational current for reliable three-phase motor starting.
- 208–600 V AC three-phase motor voltage range for flexible industrial installations.
- Integrated bypass functionality improves efficiency during continuous operation.
- Built-in electronic motor overload protection and advanced diagnostics.
- Flexible communication and control options for industrial automation systems.
Key Features
- ABB PSTX softstarter series.
- 85 A rated operational current.
- 208–600 V AC operational voltage range.
- 100–250 V AC control supply voltage.
- Three-phase controlled soft start and soft stop using voltage ramp or torque ramp control.
- Integrated bypass contactor function.
- Built-in Modbus RTU communication.
- Optional fieldbus communication modules available.
- Detachable full graphic display with IP66 protection.
- Integrated electronic overload protection and advanced diagnostics.
- Analogue output support including 0–10 V and 4–20 mA signals.
Reliable Motor Starting for Industrial Applications
Softstarters such as the ABB PSTX85-600-70 regulate motor voltage during acceleration and deceleration, allowing machinery to start smoothly while reducing mechanical shock and limiting electrical stress on motors and connected equipment.
The PSTX series is designed for industrial automation engineers and machine builders requiring dependable motor control. Its integrated protection features, communication capabilities and intelligent diagnostics support efficient operation in modern production environments.
Typical Applications
- Industrial pumps and water handling systems.
- Fans and ventilation equipment.
- Compressors and production machinery.
- Conveyors and material handling systems.
- Processing and manufacturing equipment.
- OEM machinery and industrial automation systems.
Technical Specifications
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| Motor Protection | Yes | |
|---|---|---|
| Power | 55 kW | |
| Voltage | 230 V, 400 V, 480 V, 600 V | |
| Phase | Three Phase | |
| Coil / Supply Voltage | 110–240 V AC | |
| Current | 85 A | |
| HS Code | 85371091 | |
| Country of Manufacture | Sweden | |
| Manufacturer | ABB | |
| Series | PSTX Softstarters | |
| Model | PSTX85-600-70 | |
| Part number | 1SFA898108R7000 | |
| Product type | Advanced softstarter | |
| Rated operational current | 85 A | |
| Operational voltage | 208–600 V AC | |
| Input phases | 3-phase | |
| Control supply voltage | 100–250 V AC | |
| Control circuit voltage | 24 V DC | |
| Frequency | 50 / 60 Hz | |
| Motor power rating (inline connection) | 45 kW at 400 V | |
| Motor power rating (inside delta connection) | 75 kW at 400 V | |
| Motor power rating | 55 kW at 500 V | |
| Protection rating | IP00 | |
| Display protection rating | IP66 | |
| Mounting type | Panel mounting | |
| Dimensions (H × W × D) | approx. 314 × 150 × 197.5 mm | |
| Weight | approx. 6.1 kg |
Frequently Asked Questions
What is the ABB PSTX85-600-70 used for?
This softstarter controls the starting and stopping of three-phase AC motors, reducing mechanical stress and limiting starting current in industrial applications.
What current rating does the PSTX85-600-70 support?
The ABB PSTX85-600-70 has a rated operational current of 85 A.
What supply voltage does the softstarter require?
The PSTX85-600-70 operates with a 208–600 V AC three-phase motor supply and requires a 100–250 V AC control supply.
Does the PSTX85-600-70 include bypass functionality?
Yes, the softstarter includes an integrated bypass function to improve energy efficiency and simplify installation.
Where is this softstarter typically installed?
The PSTX85-600-70 is typically installed inside electrical control panels for industrial motor control applications.
Trusted by Industrial Automation Engineers Worldwide
ABB PSTX softstarters are widely used in industrial applications to provide reliable motor starting, intelligent protection and efficient control of motor-driven systems.
