S203MT-Z8UC

Name: S203MT-Z8UC
Brand: ABB
SKU: S203MT-Z8UC

The ABB S203MT-Z8UC is a versatile miniature circuit breaker suitable for both DC and AC systems. It offers high short circuit breaking capacity and flexible mounting options, ensuring reliable protection for your electrical installations.

Product ModelS203MT-Z8UC

Material Number2CDS273065R0408

Product ID79778

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Short Circuit Breaking CapacityThe ABB S203MT-Z8UC boasts an impressive short circuit breaking capacity, ensuring it can handle even the most demanding electrical situations.
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2. Flexible AC and DC ApplicationThis miniature circuit breaker is designed to work seamlessly with both AC and DC systems, making it a versatile solution for various electrical applications.
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3. Compliance with International StandardsThe S203MT-Z8UC meets international standards such as IEC/EN 60947-2, UL1077, and CSA 22.2 No. 235, ensuring it is approved and compliant for use in different regions.
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4. Easy Installation and MountingWith its flexible mounting options and bi-directional cylinder-lift terminal, the S203MT-Z8UC is easy to install and mount on DIN rails, following EN 60715 standards.

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 60898-1 440 V AC acc. to IEC 60898-1 440 V DC acc. to IEC 60898-1 440 V acc. to IEC 60947-2 440 V AC acc. to IEC 60947-2 440 V DC

Operational Voltage

Maximum (Incl. Tolerance) 462 V AC Maximum (Incl. Tolerance) 500 V DC 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)