The 1SDA054421R1: The T5L 630 frame mounts in standard panel cutouts and accepts the PR221DS-I release. The PR221DS-I provides adjustable thermal-magnetic or electronic protection curves depending on the variant — verify the specific release settings against your coordination study.
ABB 1SDA054421R1 T5L 630 PR221DS-I, current lifecycle
MPN1SDA054421R1
ABB, T5L 630 series, molded case circuit breaker, 1SDA054421R1, PR221DS-I release, lifecycle stage current.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Product details
Frequently asked questions
Where can I buy 1SDA054421R1 and how do I get a price?
This part is sourced to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing.
What is 1SDA054421R1's listed description?
The listed description is ABB 1SDA054421R1 T5L 630 PR221DS-I/ABB 1SDA054421R1 T5L 630 PR22 — a T5L 630 molded case circuit breaker with PR221DS-I release.
MPN
1SDA054421R1
