ABB
- Available:
- 0 pcs.On RequestUpdated at: 11-09-2026
- Offer from:
Trusted supplier — Poland, member since 2023, 5–9 employees
- Warranty:
- 12 months
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The S203-B63 miniature circuit breaker features a tripping characteristic of B and is rated for a maximum operational voltage of 440 V AC. It employs both delayed thermal and electromechanical tripping mechanisms to provide reliable protection against overloads and short circuits. This device is compliant with IEC/EN 60898-1, IEC/EN 60947-2, and UL 1077, making it suitable for a range of applications including residential, commercial, and industrial settings.
With dimensions of 52.5 mm in width, 88 mm in height, and a depth of 69 mm, the S203-B63 can be easily mounted on standard DIN rails (TH35-15 or TH35-7.5) as per IEC 60715 standards. It has a breaking capacity of up to 6 kA at 230/400 V AC, and a rated short-circuit capacity that supports operational efficiency and safety in various installations.
This miniature circuit breaker is designed for environmental sustainability, featuring a recyclability rate of 80.7% according to EN45555 standards. It is suitable for operation in ambient temperatures ranging from -25 °C to +55 °C and has a degree of protection rated at IP20, with an enclosure cover rating of IP40.
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Datasheet for ABB 2CDS253001R0635, including specifications and features.
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