S203M-K30UC

Name: S203M-K30UC
Brand: ABB
SKU: S203M-K30UC

The ABB S203M-K3 miniature circuit breaker is designed for reliable protection in DC and AC applications. It features a failsafe bi-directional cylinder-lift terminal and high interrupting ratings, making it suitable for residential, commercial, and industrial use.

Product ModelS203M-K30UC

Material Number2CDS273061R0527

Product ID80806

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203M-K3 provides comprehensive protection against overcurrents and short circuits, ensuring the safety of your electrical system.
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2. Versatile ApplicationSuitable for both DC and AC applications, this MCB is a versatile solution for a wide range of electrical needs.
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3. High Interrupting RatingWith an interrupting rating of 6 kA (DC) and 10 kA, the S203M-K3 can handle high current surges, providing reliable operation under demanding conditions.
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4. Flexible ConfigurationAvailable in various configurations (1P, 1P+N, 2P, 3P, 3P+N, 4P), this MCB can be easily integrated into different electrical systems.
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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