ABB S273-K4A, Din Rail Mount Circuit Breaker, Circuit Breakers, Fuses & Protection, 0.38 kg.
ABB S273-K4A Circuit Breaker, Din Rail Mount, 0.38 kg
MPNS273-K4A
ABB S273-K4A, Din Rail Mount Circuit Breaker, Circuit Breakers, Fuses & Protection, 0.38 kg.
$49.31Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.38 kgs |
Product details
Frequently asked questions
Where can I buy S273-K4A and how do I get a price?
This part is sourced to order against an RFQ through independent distribution. Submit a request for current pricing and availability — confirmed at quote time.
When sourcing S273-K4A, what's the closest functional second-source — S273-K40A?
The S273-K40A is the closest peer in the same category, but its higher weight (0.45 kg vs 0.38 kg) indicates a different internal build. Verify coordination and physical fit before substituting.
Will S273-K4A drop into a panel that was specified around S273-K40A without rewiring?
Both are din rail mount circuit breakers in the same category, so the footprint is likely compatible. However, the weight difference (0.38 kg vs 0.45 kg) suggests the S273-K4A may have fewer poles or a different trip curve — check the panel's coordination study before swapping.
What compliance documentation does this brand provide for S273-K4A (RoHS, REACH, UL, IEC)?
The evidence confirms this is an ABB part. ABB typically provides RoHS, REACH, and IEC compliance documentation for its circuit breaker lines, but specific certs for this order code are not listed in the available data. Request documentation at quote time.
MPN
S273-K4A