S203-K2NA

Name: S203-K2NA
Brand: ABB
SKU: S203-K2NA

The ABB S203-K2NA is a miniature circuit breaker designed for industrial communication and control. It features a 3-pole plus neutral configuration with a 2-amp K-trip, ensuring reliable and efficient electrical protection.

Product ModelS203-K2NA

Material Number2CDS253103R0277

Product ID79991

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203-K2NA offers dependable K-trip protection, ensuring your electrical systems are safeguarded against overloads and short circuits.
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2. Versatile ApplicationSuitable for a wide range of industrial applications, this mini circuit breaker is a versatile solution for various electrical needs.
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3. Compact DesignWith its compact dimensions, the S203-K2NA is easy to integrate into any electrical setup, making it perfect for space-constrained environments.
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4. UL1077 CertificationCompliant with UL1077 standards, this product meets rigorous safety requirements, providing peace of mind for users.
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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

IEC/EN 60898-1 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

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