Skip to main content
Log in
ABB 1SFA899311R1056 — Soft Starters

ABB 1SFA899311R1056 PSTHM Thyristor, Obsolete, for PSTX Soft

MPN1SFA899311R1056
Obsolete

ABB PSTHM thyristor unit, type PSTHM-56/18, suitable for PSTX softstarter series, order code 1SFA899311R1056.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

1SFA899311R1056 — Specifications
ParameterValue
Suitable forPSTX
Product main typePSTHM
Technical informationPSTHM-56/18
Suitable for product classSoftstarters
Popular downloads (CAD dimensional drawing)2CDC001079B0201
Popular downloads (Data sheet, technical information)1SFC132013C0201
Material compliance (Toxic substances control act - TSCA)2CMT2023-006524
Material compliance (Conflict minerals reporting template)9AKK108467A5658

Product details

The ABB 1SFA899311R1056 is a PSTHM-56/18 thyristor unit designed as a replacement power module for the PSTX series of softstarters. This is a component-level part, not a standalone softstarter — it mounts inside the PSTX enclosure as the main switching element, handling the inrush and ramp-down current for motor starting applications up to the PSTX frame rating.

Compliance Documentation

RoHS compliance is documented per EU Directive 2011/65/EU and Amendment 2015/863. The part is classified as Business To Business (B2B) and falls outside WEEE scope. A Toxic Substances Control Act (TSCA) declaration (2CMT2023-006524) and Conflict Minerals Reporting Template (9AKK108467A5658) are on file. CAD dimensional drawing (2CDC001079B0201) and technical data sheet (1SFC132013C0201) are available as popular downloads.

Frequently asked questions

Where can I buy 1SFA899311R1056 and how do I get a price?

1SFA899311R1056 is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing — confirmed at quote time.

What is 1SFA899311R1056's listed suitable for (PSTX) on this component line?

1SFA899311R1056 is suitable for the ABB PSTX softstarter series. It is a thyristor power module, type PSTHM-56/18, used as a replacement switching element inside the PSTX enclosure.

What compliance documentation does this brand provide for 1SFA899311R1056?

ABB provides RoHS compliance per EU Directive 2011/65/EU and Amendment 2015/863, a TSCA declaration, and a Conflict Minerals Reporting Template for 1SFA899311R1056. The part is B2B and outside WEEE scope.

MPN
1SFA899311R1056