S203MT-K6UC

Name: S203MT-K6UC
Brand: ABB
SKU: S203MT-K6UC

The ABB S203MT-K6UC is a 3-pole, 6 A miniature circuit breaker suitable for traction and railway applications. It provides overload and short circuit protection with a thermal magnetic trip mechanism, ensuring reliable operation in a wide temperature range.

Product ModelS203MT-K6UC

Material Number2CDS273065R0377

Product ID80979

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203MT-K6UC offers comprehensive protection against both overload and short circuits, ensuring the safety of your electrical system.
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2. Versatile ApplicationDesigned for traction and railway applications, this circuit breaker is versatile and can be used in various environments, including those with demanding electrical requirements.
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3. Thermal Magnetic TripEquipped with a thermal magnetic trip mechanism, this circuit breaker provides reliable and efficient protection against electrical faults.
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4. Wide Temperature RangeOperating effectively from -25 to +55 °C, the ABB S203MT-K6UC is suitable for use in a wide range of 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)