S203M-K63UC

Name: S203M-K63UC
Brand: ABB
SKU: S203M-K63UC

The ABB S203M-K63UC is a versatile, 3-pole miniature circuit breaker suitable for both AC and DC applications. It boasts a K tripping characteristic, a rated current of 63A, and a high short-circuit breaking capacity of 10kA.

Product ModelS203M-K63UC

Material Number2CDS273061R0607

Product ID80097

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Versatile ApplicationThe S203M-K63UC is designed for both AC and DC applications, making it a versatile solution for various electrical systems.
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2. High Short-Circuit Breaking CapacityWith a short-circuit breaking capacity of 10kA, this circuit breaker provides robust protection against electrical surges.
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3. K Tripping CharacteristicThe K tripping characteristic ensures reliable and efficient overload protection, ensuring the circuit breaker trips quickly in case of an overload.
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4. Compliance with International StandardsThe S203M-K63UC complies with major international standards such as IEC/EN 60898-1 and IEC/EN 60947-2, ensuring it meets the highest safety and performance standards.
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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

CSA 22.2 No. 235 IEC/EN 60947-2 UL 1077

Tripping Characteristic

Rated Operational Voltage

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

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

4 kV at 2000 m 5 kV at Sea Level 6.2 kV

Input Voltage Type