ABB S273 series Din Rail Mount Miniature Circuit Breaker, S273-K40A, current production, 0.45 kgs.
ABB S273-K40A Miniature Circuit Breaker, current production
MPNS273-K40A
ABB S273 series Din Rail Mount Miniature Circuit Breaker, S273-K40A, current production, 0.45 kgs.
$136.35Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.45 kgs |
Product details
Frequently asked questions
Where can I buy S273-K40A and how do I get a price?
We source and quote the S273-K40A to order against an RFQ. Availability and current pricing are confirmed at quote time — submit an RFQ through this page.
What is the closest pin-compatible alternative to S273-K40A in this Miniature Circuit Breakers (MCB) family?
Within the ABB S273 series, other current ratings (e.g., S273-K32A, S273-K50A) share the same DIN-rail footprint and terminal layout. No pin-compatible alternative from another brand is listed in the evidence.
What compliance documentation does ABB provide for S273-K40A (RoHS, REACH, UL, IEC)?
The evidence does not list specific compliance documentation for this part. Contact ABB or request the declaration of conformity at quote time.
MPN
S273-K40A