S203-B63

Name: S203-B63
Brand: ABB
SKU: S203-B63

The ABB S203-B63 is a 3-pole circuit breaker with a B curve, ideal for residential and commercial installations. It provides reliable protection against overcurrents and earth fault currents, ensuring safe and efficient operation.

Product ModelS203-B63

Material Number2CDS253001R0635

Product ID80031

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203-B63 offers comprehensive protection against overcurrents and earth fault currents, ensuring the safety of people and equipment.
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2. Versatile ApplicationSuitable for residential and commercial installations, this circuit breaker is versatile and can be used in a variety of settings.
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3. High Breaking CapacityWith a breaking capacity of up to 6 kA at 230/400 V AC, it can handle high current surges effectively.
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4. Compact DesignThe compact design makes it easy to integrate into existing electrical systems, minimizing space requirements.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

IEC/EN 60898-1 IEC/EN 60947-2 UL 1077

Tripping Characteristic

Rated Operational Voltage

acc. to IEC 60898-1 400 V AC acc. to IEC 60898-1 400 V acc. to IEC 60947-2 440 V AC

Operational Voltage

Maximum (Incl. Tolerance) 440 V AC Minimum 12 V AC Minimum 12 V DC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)