MCB miniature circuit breakers (UL)
ABB S203-B40
Miniature circuit breaker 3P 40 A, B curve, UL 1077 supplementary protector
- Brand
- ABB
- Part number
- S203-B40
- Product group
- MCB miniature circuit breakers (UL)
- Series
- S200
- Number of poles
- 3
- Rated current In
- 40 A
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Specifications
| Trip curve | B |
|---|---|
| Standard | UL 1077 |
| Rated voltage | up to 277/480 V AC |
| Interrupting rating | 6 kA (IEC) |
| Mounting | DIN rail |
Datasheet, stock and lead time on request. If this part is discontinued or on long lead time we offer an approved equivalent.
Equivalents from other makers (8)
What this part is
| Type | Miniature circuit breaker (MCB) |
|---|---|
| Rated current | 40 A |
| Trip curve | B |
| Poles | 3 |
| Breaking capacity (this part) | 6 kA |
Parts listed here share these values. Matching one value alone (for example the current) does not make a replacement.
Check before you substitute
- Breaking capacity (kA) at the same voltage and to the same standard (IEC 60898-1 or IEC 60947-2)
- Busbar type (pin or fork), terminal size and module width
- Accessories: auxiliary, shunt trip, locking
- Approval required on site (SASO, IEC, UL)
Schneider Electric A9F93340IC60L 3P 40 A B breaker circuitSchneider Electric
Schneider Electric 18764Circuit breaker NG125L 3P B40Schneider Electric
Siemens 5SY4340-6Sentron 5SY4 miniature circuit breakerSiemens- ABB S203P-B40Miniature circuit breaker 3P 40 A, B curve, UL 1077 supplementary protector, high performanceABB
- ABB S503UC-B40Miniature circuit breaker 3P 40 A, B curve, UL 1077 AC/DC high-performance supplementary protectorABB
- ABB 2CCS571001R0405-S401M-B40Smissline tp S400M miniature circuit breakerABB
- ABB 2CDS253001R0405-S203-B40Miniature circuit breaker System pro m ComPacT S200 miniature circuitABB
- ABB 2CDS273001R0405-S203M-B40Miniature circuit breaker System pro m ComPacT S200M miniature circuitABB
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