S203-Z20

Name: S203-Z20
Brand: ABB
SKU: S203-Z20

The ABB S203-Z20 is a compact, current-limiting mini circuit breaker designed for control panel devices. It operates at 480Y/277V AC and has a tripping characteristic of Z with a rated current of 20A. UL certified for safety and reliability, this breaker is perfect for various industrial applications.

Product ModelS203-Z20

Material Number2CDS253001R0488

Product ID80409

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Compact DesignThe ABB S203-Z20 is designed to be compact, making it ideal for use in control panels where space is limited.
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2. Current LimitingThis circuit breaker features a current-limiting tripping mechanism, which helps to reduce the impact of short circuits and protect equipment.
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3. UL CertifiedThe S203-Z20 is UL certified, ensuring it meets the highest standards for safety and reliability in industrial applications.
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4. Tripping CharacteristicWith a tripping characteristic of Z, this breaker provides reliable and consistent operation under various load conditions.
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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