Skip to main content
Siemens 3RA1921-1B — Motor Starters

Siemens 3RA1921-1B

MPN3RA1921-1B

Link module Electrical and mechanical for 3RV1.2 and 3RT1.2 DC operation (multi-unit packaging)!!! Phased-out product!!! Successor is SIRIUS 3RA2 Preferred successor type is >>3RA2921-1B<<

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

Specifications

3RA1921-1B — Identification
ParameterValue
Product designationlink module
BrandSIRIUS
Product design / constructionfor 3RV1.2 and 3RT1.2, DC actuation
Circuit-breaker sizeS0
3RA1921-1B — Other specifications
ParameterValue
Size of contactorS0
MPN
3RA1921-1B