S203M-Z0.5

Name: S203M-Z0.5
Brand: ABB
SKU: S203M-Z0.5

The ABB S203M-Z0.5 is a miniature circuit breaker offering reliable short circuit and overload protection. Suitable for residential, commercial, and industrial use, it meets international standards and features flexible mounting options.

Product ModelS203M-Z0.5

Material Number2CDS273001R0158

Product ID80103

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203M-Z0.5 provides robust protection against short circuits and overloads, ensuring the safety of your electrical systems.
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2. Flexible MountingWith its versatile mounting options, including DIN rail mounting, the S203M-Z0.5 can be easily integrated into various electrical setups.
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3. International StandardsCompliant with IEC/EN 60898-1 and IEC/EN 60947-2, this MCB meets the highest international standards for safety and performance.
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4. Versatile ApplicationsSuitable for residential, commercial, and industrial applications, the S203M-Z0.5 is a versatile solution for all your electrical protection needs.
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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 60898-1 400 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)