S203MT-Z20UC

Name: S203MT-Z20UC
Brand: ABB
SKU: S203MT-Z20UC

The ABB S203MT-Z20UC is a 3-pole miniature circuit breaker suitable for DC and AC applications. It offers high short-circuit breaking capacity, flexible mounting options, and compliance with major international standards.

Product ModelS203MT-Z20UC

Material Number2CDS273065R0488

Product ID79780

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Short-Circuit Breaking CapacityThe S203MT-Z20UC boasts a high short-circuit breaking capacity, ensuring reliable protection against electrical surges and faults.
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2. Flexible Mounting OptionsThis MCB can be easily mounted on DIN rails using TH35-7.5 or TH35-15 mounting rails, providing flexibility in installation.
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3. Compliance with Major StandardsThe S203MT-Z20UC meets and exceeds international standards such as IEC/EN 60947-2 and IEC/EN 60898-1, ensuring compatibility with various electrical systems.
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4. Versatile ApplicationDesigned for both DC and AC applications, this MCB is a versatile solution for a wide range of 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

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)