S203M-Z25

Name: S203M-Z25
Brand: ABB
SKU: S203M-Z25

The ABB S203M-Z25 is a 3P, 25 A miniature circuit breaker designed for current limiting, featuring delayed thermal and electromechanical tripping mechanisms. It is suitable for residential, commercial, and industrial applications, meeting IEC/EN 60898-1 and IEC/EN 60947-2 standards.

Product ModelS203M-Z25

Material Number2CDS273001R0518

Product ID79625

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Current Limiting CapabilityThe S203M-Z25 is designed to limit current during an overload, preventing damage to the circuit and ensuring safe operation.
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2. Dual Tripping MechanismsEquipped with both delayed thermal and electromechanical tripping mechanisms, it provides comprehensive protection against overloads and short circuits.
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3. Wide Application RangeSuitable for residential, commercial, and industrial applications, making it a versatile choice for various electrical needs.
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4. Compliance with International StandardsMeets IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring high-quality and reliable performance.
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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)