The S281-K8A: Mounts on standard 35 mm DIN rail per EN 60715. The single-pole form factor occupies one module width (roughly 17.5 mm), leaving adjacent slots free for additional poles or auxiliary contacts. Spring-cage terminals accept 0.2–2.5 mm² solid or ferruled stranded conductors.
S281-K8A Circuit Breaker by ABB, DIN Rail Mount, Current Pro
MPNS281-K8A
ABB, S281 series, miniature circuit breaker, DIN rail mount, part S281-K8A, current production.
$106.20Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.14 kgs |
Product details
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MPN
S281-K8A