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abb softstarter PSTX30-690-70 pstx (690v) range 30 amp
ABB PSTX30-690-70 softstarter, a 30 A three-phase motor starter with 208–690 V AC operation, integrated bypass and advanced motor protection functions.
£1,501.55
Why Choose the ABB PSTX30-690-70 Softstarter?
The ABB 1SFA898203R7000 PSTX30-690-70 is an advanced three-phase softstarter designed to provide smooth acceleration and deceleration control for industrial motors. As part of the ABB PSTX softstarter family, it combines intelligent motor protection, built-in bypass functionality and flexible communication options for demanding industrial automation applications.
This softstarter reduces mechanical stress during motor starting by controlling voltage and torque ramps, helping improve equipment reliability and operational efficiency. The integrated bypass contactor simplifies installation and reduces energy losses during normal motor operation.
With a rated operational current of 30 A and an operating voltage range of 208–690 V AC, the ABB PSTX30-690-70 is suitable for a wide range of three-phase motor applications including pumps, fans, compressors and conveyors.
Key Advantages
- Advanced softstarter for three-phase industrial motors.
- 30 A rated operational current for medium-sized motor applications.
- 208–690 V AC operating voltage range for flexible installation.
- Integrated bypass for simplified installation and improved energy efficiency.
- Built-in electronic motor protection and diagnostics.
- Flexible communication options including Modbus and fieldbus connectivity.
Key Features
- ABB PSTX30-690-70 softstarter.
- Product code: 1SFA898203R7000.
- Three-phase controlled soft start and soft stop.
- 30 A in-line rated operational current.
- 208–690 V AC main circuit voltage.
- 100–250 V AC control supply voltage.
- Built-in bypass contactor.
- Detachable graphic display with IP66 protection.
- Integrated electronic overload protection.
- Modbus RTU communication capability with optional fieldbus modules.
Advanced Motor Starting and Protection
Softstarters such as the ABB PSTX30-690-70 control motor starting current by gradually increasing voltage or torque, reducing mechanical shock and electrical stress during acceleration. This makes them ideal for applications where smooth starting and controlled stopping are required.
The PSTX series combines motor starting control with advanced monitoring, protection and communication features. Its built-in functions support efficient operation in modern industrial automation systems.
Typical Applications
- Industrial pumps and water systems.
- Fans and ventilation equipment.
- Compressors.
- Conveyor systems.
- Material handling equipment.
- Industrial machinery and automation systems.
Technical Specifications
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| Motor Protection | Yes | |
|---|---|---|
| Voltage | 230 V, 400 V, 480 V, 600 V, 690 V | |
| Phase | Three Phase | |
| Coil / Supply Voltage | 110–240 V AC | |
| Current | 30 A | |
| Manufacturer | ABB | |
| Series | PSTX Softstarters | |
| Model | PSTX30-690-70 | |
| Product code | 1SFA898203R7000 | |
| Product type | Softstarter | |
| Rated operational voltage | 208–690 V AC | |
| Rated operational current | 30 A | |
| Rated control supply voltage | 100–250 V AC | |
| Rated control circuit voltage | 24 V DC | |
| Frequency | 50 / 60 Hz | |
| Rated motor power at 400 V AC (in-line) | 15 kW | |
| Rated motor power at 690 V AC (in-line) | 25 kW | |
| Inside delta current rating | 52 A | |
| Starting capacity | 4 × Ie for 10 s | |
| Ramp time | 1–120 s | |
| Communication | Modbus RTU and optional fieldbus modules | |
| Protection functions | Electronic overload, phase loss, voltage imbalance and motor protection functions | |
| Mounting type | Surface / wall mounting | |
| Protection rating | IP10 | |
| Dimensions (H × W × D) | 314 × 150 × 198 mm | |
| Weight | approx. 4.6 kg |
Frequently Asked Questions
What is the ABB PSTX30-690-70 used for?
The ABB PSTX30-690-70 is a softstarter used to control the acceleration and deceleration of three-phase industrial motors while reducing mechanical and electrical stress.
What motor current does the PSTX30-690-70 support?
The softstarter supports a rated operational current of 30 A for in-line motor connections.
What supply voltage does the ABB PSTX30-690-70 support?
The PSTX30-690-70 operates with a main circuit voltage range of 208–690 V AC.
Does the PSTX30-690-70 include a bypass?
Yes, the PSTX30-690-70 includes an integrated bypass function to simplify installation and improve operating efficiency.
Where is the ABB PSTX30-690-70 typically installed?
The softstarter is typically installed in industrial control panels for applications such as pumps, fans, compressors and conveyors.
Trusted by Industrial Automation Engineers
ABB PSTX softstarters are widely used in industrial motor control applications where reliable starting performance, advanced protection and efficient operation are required.
