S203MT-Z5UC

Name: S203MT-Z5UC
Brand: ABB
SKU: S203MT-Z5UC

The ABB S203MT-Z5UC miniature circuit breaker offers reliable protection for DC and AC applications, with high short circuit breaking capacity and compliance with major international standards.

Product ModelS203MT-Z5UC

Material Number2CDS273065R0358

Product ID79325

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Short Circuit Breaking CapacityThe S203MT-Z5UC is designed to handle high short circuit currents, ensuring reliable operation in critical applications.
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2. Compliance with Major StandardsMeets international standards such as IEC/EN 60947-2, UL1077, and CSA 22.2 No. 235, ensuring global compatibility and safety.
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3. Flexible AC and DC ApplicationsSuitable for both AC and DC systems, making it versatile for various industrial needs.
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4. Traction Industry ApprovedSpecifically designed for traction industry applications, adhering to French standard NFF16-101/102 (I2-F3).
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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 60898-1 440 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)