S203MT-K50UC

Name: S203MT-K50UC
Brand: ABB
SKU: S203MT-K50UC

"ABB S203MT-K50UC: A reliable, 3P miniature circuit breaker for DC and AC applications. High short-circuit breaking capacity, flexible mounting, and compliance with major international standards."

Product ModelS203MT-K50UC

Material Number2CDS273065R0577

Product ID80774

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Short-Circuit Breaking Capacity\"The ABB S203MT-K50UC boasts a high short-circuit breaking capacity, ensuring reliable protection in various electrical applications.\"
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2. Flexible Mounting Options\"With mounting options on DIN rails (TH35-7.5 and TH35-15), the S203MT-K50UC offers flexibility in installation, making it easy to integrate into your electrical system.\"
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3. Compliance with Major International Standards\"Compliant with IEC/EN 60947-2 and UL 1077, the S203MT-K50UC meets the highest standards of safety and performance, ensuring it is suitable for a wide range of applications.\"
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4. Energy Efficiency\"The S203MT-K50UC operates efficiently, with a power loss of 9 W at rated operating conditions per pole, minimizing energy consumption and reducing operational costs.\"

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)