S203M-K2

Name: S203M-K2
Brand: ABB
SKU: S203M-K2

The ABB S203M-K2 is a compact, current-limiting miniature circuit breaker suitable for residential, commercial, and industrial use. It offers delayed thermal and electromechanical tripping mechanisms for overload and short circuit protection.

Product ModelS203M-K2

Material Number2CDS273001R0277

Product ID80506

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe S203M-K2 provides reliable protection against overloads and short circuits, ensuring the safety of your electrical system.
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2. Compact DesignIts compact design allows for easy installation and saves space, making it ideal for various applications.
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3. Compliance with StandardsThe breaker complies with IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring it meets the highest safety and performance requirements.
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4. Versatile ConfigurationAvailable in different configurations (1P, 1P+N, 2P, 3P, 3P+N, 4P) and characteristics (B, C, D, K, Z), it can be tailored to fit various electrical needs.
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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 60898-1 400 V acc. to IEC 60947-2 440 V AC

Operational Voltage

Maximum (Incl. Tolerance) 440 V AC 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)