The XT1SU3125AYD000XXX: The description XT1S 125 TMF LSC breaks down as: XT1S frame size (compact 125 A class), 125 A continuous current rating, TMF (thermal-magnetic fixed) protection curve, and LSC (line-side connection) terminals for panel wiring. This is the breaker a panel builder reaches for when the spec calls for a fixed-trip MCCB in a 125 A feeder or branch circuit.
ABB XT1SU3125AYD000XXX XT1S 125 TMF LSC, current lifecycle
MPNXT1SU3125AYD000XXX
ABB XT1S series, XT1SU3125AYD000XXX, molded case circuit breaker, 125 A TMF LSC, current lifecycle stage.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Product details
Frequently asked questions
Where can I buy XT1SU3125AYD000XXX and how is it quoted?
This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
What does the description XT1S 125 TMF LSC mean?
It means the breaker is an ABB XT1S frame, rated 125 A, with a thermal-magnetic fixed trip unit and line-side connection terminals.
MPN
XT1SU3125AYD000XXX