1SFA899311R1501 ABB PSTHM-501/18 Thyristor

1SFA899311R1501 ABB PSTHM-501/18 Thyristor

ABB 1SFA899311R1501 PSTHM-501/18 thyristor module replacement component for PSTX softstarters up to 690 V.

SKU: 1SFA899311R1501Alt SKU: PSTHM-501/18MPN: 1SFA899311R1501
Price
List Price £2,176.76 ex VAT
Your Price (ex VAT) Save 35%
£1,414.89 35% OFF
You save £761.87 per unit
Manufacturer Lead Time Estimated Delivery 5 weeks
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £1,414.89
Trade pricing is personalised to your account

Manufacturer Lead Time

£1,414.89

Why Choose the ABB 1SFA899311R1501 PSTHM-501/18 Thyristor?

The ABB 1SFA899311R1501 is a genuine PSTHM-501/18 thyristor module designed as a replacement power semiconductor component for ABB PSTX softstarters. This high-quality ABB spare part provides reliable switching performance within softstarter power stages, helping maintain efficient motor starting and control operation in industrial applications.

As part of the ABB PSTX softstarter spare parts range, the PSTHM-501/18 thyristor is engineered for dependable operation in demanding motor control environments. It supports maintenance and repair activities by allowing replacement of individual power components rather than complete softstarter units.

Designed for ABB PSTX250, PSTX300 and PSTX370 softstarters up to 690 V, the ABB 1SFA899311R1501 provides a reliable solution for restoring softstarter functionality in industrial motor control systems.

Key Advantages

  • Genuine ABB PSTHM-501/18 thyristor spare part.
  • Designed specifically for ABB PSTX softstarter systems.
  • Supports reliable power switching in industrial motor starting applications.
  • Helps reduce downtime through component-level replacement.
  • Compact power semiconductor design for integration into ABB softstarters.
  • Maintains ABB softstarter performance and reliability.

Key Features

  • ABB PSTHM-501/18 thyristor module.
  • Part number: 1SFA899311R1501.
  • Suitable for ABB PSTX softstarters.
  • Compatible with PSTX250, PSTX300 and PSTX370 models.
  • Rated for softstarter applications up to 690 V.
  • Power semiconductor component for controlled motor starting.
  • Designed for ABB industrial softstarter maintenance.

Reliable Softstarter Performance for Industrial Motors

Thyristor modules are essential power components within softstarters, controlling the voltage applied to motors during starting and stopping sequences. By regulating motor acceleration, they help reduce mechanical stress, electrical surges and wear on connected equipment.

The ABB PSTX softstarter platform is designed for industrial motor control applications requiring smooth starting, reliable operation and efficient maintenance. The 1SFA899311R1501 PSTHM-501/18 provides a dependable replacement solution for ABB softstarter power sections.

Typical Applications

  • Industrial motor softstarters.
  • Pumps and water handling systems.
  • Fans and ventilation equipment.
  • Compressors and heavy-duty machinery.
  • Manufacturing plant motor control systems.
  • Industrial automation installations.

Technical Specifications

Tick the specs you need, then view products that match.

Device Type Accessory
Manufacturer ABB
Series PSTX Softstarter Spare Parts
Model PSTHM-501/18
Product type Thyristor module
Accessory type Softstarter replacement component
Suitable for ABB PSTX softstarters
Compatible models PSTX250, PSTX300 and PSTX370
Maximum operating voltage 690 V
Frequency 50 / 60 Hz
Dimensions (H × W × D) approx. 52 × 60 × 150 mm
Weight approx. 1.353 kg

Frequently Asked Questions

What is the ABB 1SFA899311R1501 used for?

The ABB 1SFA899311R1501 is a PSTHM-501/18 thyristor replacement module used in ABB PSTX softstarters for industrial motor control applications.

Which ABB softstarters are compatible with this thyristor?

The PSTHM-501/18 thyristor is suitable for ABB PSTX250, PSTX300 and PSTX370 softstarters.

What voltage rating does the ABB PSTHM-501/18 support?

The ABB PSTHM-501/18 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, maintenance 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 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.