S204-Z1

Name: S204-Z1
Brand: ABB
SKU: S204-Z1

The ABB S204-Z1 is a compact, current-limiting miniature circuit breaker designed for supplemental overcurrent protection. It is UL 1077 certified and suitable for 4-pole systems with a voltage rating of 480Y/277 VAC and current ratings from 0.5 to 63 amps.

Product ModelS204-Z1

Material Number2CDS254001R0218

Product ID79965

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Overcurrent ProtectionThe ABB S204-Z1 provides reliable overcurrent protection for your electrical system, ensuring safety and minimizing downtime.
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2. Compact DesignIts compact design makes it easy to integrate into your existing electrical setup, saving space without compromising on functionality.
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3. UL 1077 CertificationCertified to UL 1077 standards, this circuit breaker meets rigorous safety requirements, providing peace of mind for your electrical installations.
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4. Versatile ApplicationSuitable for AC-rated applications, the S204-Z1 can handle a wide range of current ratings from 0.5 to 63 amps, making it versatile for various electrical 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

IEC/EN 60898-1 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

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