S204M-Z20

Name: S204M-Z20
Brand: ABB
SKU: S204M-Z20

The ABB S204M-Z20 is a 20A, 4P miniature circuit breaker designed for residential, commercial, and industrial applications. It offers delayed thermal and electromechanical tripping mechanisms, ensuring reliable overload and short circuit protection.

Product ModelS204M-Z20

Material Number2CDS274001R0488

Product ID79662

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe S204M-Z20 features two tripping mechanisms—delayed thermal for overload protection and electromechanical for short circuit protection, ensuring your electrical system is safeguarded.
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2. Versatile ApplicationSuitable for residential, commercial, and industrial use, this circuit breaker meets IEC/EN 60898-1 and IEC/EN 60947-2 standards.
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3. High Breaking CapacityWith a breaking capacity of up to 10 kA at 230/400 V AC, it can handle high current surges effectively.
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4. Compact DesignThe bottom-fitting auxiliary contact design saves space, making it ideal for installations where space is limited.
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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)