S203MT-Z63UC

Name: S203MT-Z63UC
Brand: ABB
SKU: S203MT-Z63UC

The ABB S203MT-Z63UC is a 3P miniature circuit breaker with a Z characteristic, rated for 63A. It features high short-circuit breaking capacity, flexible AC and DC application, and meets IEC/EN 60947-2 standards for reliability and safety.

Product ModelS203MT-Z63UC

Material Number2CDS273065R0608

Product ID78804

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Short-Circuit Breaking CapacityThe ABB S203MT-Z63UC boasts a high short-circuit breaking capacity, ensuring reliable operation under demanding conditions.
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2. Flexible AC and DC ApplicationThis circuit breaker is designed for both AC and DC applications, making it versatile for various electrical systems.
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3. Compliance with International StandardsIt meets IEC/EN 60947-2 standards, ensuring compliance with international safety and performance requirements.
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4. Durable ConstructionBuilt with high-quality materials, the S203MT-Z63UC offers excellent mechanical endurance and resistance to environmental 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

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)