S203M-K1NA

Name: S203M-K1NA
Brand: ABB
SKU: S203M-K1NA

The ABB S203M-K1NA is a 2-pole, 1A miniature circuit breaker with a K-characteristic tripping mechanism. It is designed for residential and commercial applications, ensuring reliable and efficient electrical protection. Compliant with IEC/EN 60947-2 and UL 1077 standards, this MCB offers robust performance and safety.

Product ModelS203M-K1NA

Material Number2CDS273103R0217

Product ID79622

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203M-K1NA provides reliable protection against short circuits and overloads, ensuring the safety of your electrical system.
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2. Compliance with StandardsCompliant with IEC/EN 60947-2 and UL 1077 standards, this MCB meets the highest industry standards for safety and performance.
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3. Efficient DesignWith a compact design, the S203M-K1NA fits seamlessly into your electrical panel, saving space while maintaining high functionality.
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4. Versatile ApplicationSuitable for both residential and commercial applications, this MCB offers flexibility in its usage, making it a versatile choice for 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)