S203MT-K5UC

Name: S203MT-K5UC
Brand: ABB
SKU: S203MT-K5UC

"ABB S203MT-K5UC: A 3-phase miniature circuit breaker with 5 A rated current and 440 V rated voltage. Reliable protection against overloads and short circuits for industrial and commercial use."

Product ModelS203MT-K5UC

Material Number2CDS273065R0357

Product ID80727

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Protection\"The ABB S203MT-K5UC offers reliable protection against overloads and short circuits, ensuring the safety of your electrical system.\"
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2. High Performance\"With a rated current of 5 A and a rated voltage of 440 V, this circuit breaker is designed to handle high-performance applications with ease.\"
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3. Compliance with Standards\"Compliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring that your electrical system meets the highest safety and performance requirements.\"
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4. Versatile Installation\"The compact design of the ABB S203MT-K5UC allows for easy installation in various settings, including industrial and commercial environments.\"
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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)