Sourcing and availability
As a current-production part, the S271-K40 is sourced to order against an RFQ. Availability and current pricing are confirmed at quote time through independent distribution channels.
ABB S271-K40 40A Din Rail Mount Circuit Breaker, Current
MPNS271-K40
ABB S271-K40, 40A din rail mount miniature circuit breaker, current production, 0.11 kg.
$44.73Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.11 kgs |
Product details
Frequently asked questions
Will the S271-K40 drop into a panel specified for the S273-K40A?
No. The S271-K40 is single-pole while the S273-K40A is three-pole. They share the same 40A rating but are not footprint-compatible without rewiring.
MPN
S271-K40