S203M-K20UC

Name: S203M-K20UC
Brand: ABB
SKU: S203M-K20UC

"ABB's S203M-K20UC is a 3P miniature circuit breaker designed for DC and AC applications, offering high short-circuit breaking capacity and compliance with major international standards."

Product ModelS203M-K20UC

Material Number2CDS273061R0487

Product ID75829

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Versatile Application\"Suitable for both DC and AC applications, making it a versatile solution for various electrical needs.\"
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2. High Short-Circuit Breaking Capacity\"Features high short-circuit breaking capacity, ensuring reliable protection in critical situations.\"
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3. Compliance with International Standards\"Compliant with major international standards such as IEC/EN 60947-2 and IEC/EN 60898-1, ensuring global compatibility.\"
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4. Flexible Mounting Options\"Offers flexible mounting options, including DIN rail mounting, to fit various installation requirements.\"
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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 60898-1 400 V AC acc. to IEC 60898-1 440 V acc. to IEC 60947-2 440 V AC acc. to IEC 60947-2 440 V DC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

4 kV at 2000 m 5 kV at Sea Level 6.2 kV

Input Voltage Type