Why Choose the ABB 1SFA899311R5200 PSTP-4200/18 Thyristor?
The ABB 1SFA899311R5200 is a genuine PSTP-4200/18 thyristor module designed as a replacement power semiconductor component for ABB PSTX softstarters. This high-performance ABB spare part provides reliable controlled switching within softstarter power stages, helping maintain dependable motor starting and protection performance in demanding industrial applications.
As part of the ABB PSTX softstarter spare parts range, the PSTP-4200/18 is engineered for maintenance and repair of high-power softstarter systems. Replacing individual thyristor components helps restore equipment performance while reducing downtime compared with complete unit replacement.
Designed for ABB PSTX1050 softstarters with applications up to 690 V, the ABB 1SFA899311R5200 provides a dependable solution for high-current motor control systems requiring reliable thyristor switching performance.
Key Advantages
Genuine ABB PSTP-4200/18 thyristor spare part.
Designed specifically for ABB PSTX softstarter systems.
690 V class thyristor technology for industrial motor applications.
Helps reduce maintenance downtime through component-level replacement.
Maintains ABB softstarter performance and reliability.
Key Features
ABB PSTP-4200/18 thyristor module.
Part number: 1SFA899311R5200.
Compatible with ABB PSTX softstarters.
Suitable for PSTX1050 softstarter applications.
Rated for systems up to 690 V.
High-power SCR semiconductor component.
Designed for ABB industrial motor starting equipment.
Reliable Softstarter Performance for High-Power Motors
Thyristor modules are essential power components within softstarters, controlling voltage delivery to motors during acceleration and deceleration. By managing motor starting current, they help reduce mechanical stress, electrical surges and wear on connected equipment.
The ABB PSTX softstarter range is designed for demanding industrial motor control applications. Replacement components such as the PSTP-4200/18 help maintain reliable operation, efficient maintenance and long service life of ABB softstarter installations.
Typical Applications
Industrial motor softstarters.
Heavy-duty pumps and water systems.
Fans and ventilation equipment.
Compressors and conveyors.
Manufacturing plant motor control systems.
Industrial automation installations.
Technical Specifications
Manufacturer
ABB
Series
PSTX Softstarter Spare Parts
Model
PSTP-4200/18
Product type
Thyristor module
Accessory type
Softstarter replacement component
Suitable for
ABB PSTX softstarters
Compatible softstarter
PSTX1050
Maximum operating voltage
690 V
Frequency
50 / 60 Hz
Weight
approx. 1.18 kg
Frequently Asked Questions
What is the ABB 1SFA899311R5200 used for?
The ABB 1SFA899311R5200 is a PSTP-4200/18 thyristor replacement module used in ABB PSTX softstarters for high-power industrial motor control applications.
Which ABB softstarter is compatible with this thyristor?
The PSTP-4200/18 is designed for the ABB PSTX1050 softstarter range.
What voltage rating does the ABB PSTP-4200/18 support?
The ABB PSTP-4200/18 is designed for ABB PSTX softstarter applications up to 690 V.
Why would a thyristor module need replacing?
A thyristor module may require replacement due to component failure, servicing requirements or restoration of softstarter operating performance.
Where is this ABB thyristor installed?
The thyristor is installed inside compatible ABB PSTX softstarters as part of the main power switching stage.
Trusted by Industrial Engineers Worldwide
ABB softstarter spare parts are widely used by maintenance engineers and automation professionals to restore reliable motor control, minimise downtime and maintain industrial system performance.
Manufacturer
ABB
Series
PSTX Softstarter Spare Parts
Model
PSTP-4200/18
Product type
Thyristor module
Accessory type
Softstarter replacement component
Suitable for
ABB PSTX softstarters
Compatible softstarter
PSTX1050
Maximum operating voltage
690 V
Frequency
50 / 60 Hz
Weight
approx. 1.18 kg
No documents available for this product.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...