The ABB S203-C25 is a 3-pole miniature circuit breaker rated 25 A with a Trip Curve C characteristic, designed for DIN-rail mounting in distribution panels and control cabinets. The 10 kA interrupting rating at 277 VAC means it can safely clear a bolted fault up to 10,000 A without welding contacts or cascading failure upstream — sufficient for most commercial and light industrial panelboards where the prospective short-circuit current stays under that threshold.
S203-C25 Miniature Circuit Breaker, 3P, 25A, Curve C, 10kA
MPNS203-C25
ABB S203-C25 miniature circuit breaker, 3-pole, 25 A, Trip Curve C, 277 VAC, 10 kA interrupting rating, DIN rail mount.
$15.24Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
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Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Amps | 25 |
| Type | Trip Curve C |
| Poles | 3 |
| Mounting | DIN Rail |
| Volts AC | 277 |
| Breaking capacity | 10 kA |
Product details
Frequently asked questions
What is S203-C25's listed amps and trip curve?
The S203-C25 is rated 25 A with a Trip Curve C characteristic on a 3-pole configuration.
MPN
S203-C25