S203MT-K25UC

Name: S203MT-K25UC
Brand: ABB
SKU: S203MT-K25UC

"ABB's S203M-K25UC is a 3-pole miniature circuit breaker designed for DC and AC applications. It offers high short-circuit breaking capacity and compliance with international standards, ensuring reliable electrical protection."

Product ModelS203MT-K25UC

Material Number2CDS273065R0517

Product ID80782

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Short-Circuit Breaking CapacityThe S203M-K25UC boasts a high inbuilt short-circuit breaking capacity, ensuring reliable protection against electrical surges and faults.
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2. Flexible AC and DC ApplicationsThis miniature circuit breaker is versatile and can be used in both DC and AC applications, making it a versatile solution for various electrical needs.
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3. Compliance with Major International StandardsThe S203M-K25UC is compliant with major international standards such as CSA 22.2 No. 235, IEC/EN 60947-2, and UL 1077, ensuring it meets rigorous safety and performance criteria.
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4. Easy Integration with System pro M Compact AccessoriesAll current System pro M compact accessories can be easily combined with the S203M-K25UC, simplifying warehousing, project engineering, planning, installation, and maintenance processes.

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

Operational Voltage

Maximum (Incl. Tolerance) 462 V AC Maximum (Incl. Tolerance) 500 V DC 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)