What the ratings mean for fit
The S202-D25 is a 2-pole miniature circuit breaker rated 25 A with Trip Curve D. Rated 277 VAC with a 6 kA interrupting capacity. DIN-rail mount fits standard enclosures.

ABB S202-D25, 2-pole miniature circuit breaker, 25 A, Trip Curve D, 277 VAC, 6 kA interrupting rating, DIN rail mount.
| Parameter | Value |
|---|---|
| Amps | 25 |
| Type | Trip Curve D |
| Poles | 2 |
| Mounting | DIN Rail |
| Volts AC | 277 |
| Breaking capacity | 6 kA |
The S202-D25 is a 2-pole miniature circuit breaker rated 25 A with Trip Curve D. Rated 277 VAC with a 6 kA interrupting capacity. DIN-rail mount fits standard enclosures.
Yes, both are 2-pole DIN-rail units with the same 277 VAC rating and 6 kA interrupting capacity — the only difference is the trip curve (D vs C), so the S202-D25 fits the same rail, busbar, and enclosure without rewiring.
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