S203M-Z5UC

Name: S203M-Z5UC
Brand: ABB
SKU: S203M-Z5UC

The ABB S203M-Z5UC is a miniature circuit breaker that extends the System pro M compact range, offering reliable protection for DC and AC applications. It features high breaking capacities and meets international standards for safety and performance.

Product ModelS203M-Z5UC

Material Number2CDS273061R0358

Product ID79574

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Versatile ApplicationThe S203M-Z5UC is designed for both DC and AC applications, making it a versatile solution for various electrical needs.
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2. High PerformanceIt offers high breaking capacities, ensuring reliable protection against overloads and short circuits.
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3. Compliance with StandardsThe circuit breaker complies with international standards such as IEC/EN 60898-1 and IEC/EN 60947-2, ensuring safety and performance.
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4. Compact DesignIt fits seamlessly into the System pro M compact range, offering a compact design that saves space in electrical panels.
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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