S203-B1NA

Name: S203-B1NA
Brand: ABB
SKU: S203-B1NA

The ABB S203-B1NA is a high-capacity, three-pole miniature circuit breaker designed for reliable protection of electrical circuits against overloads and short circuits. Rated at 100A, it is ideal for demanding industrial, commercial, and residential applications.

Product ModelS203-B1NA

Material Number2CDS253103R0015

Product ID78706

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203-B1NA offers robust construction and advanced safety features to ensure long-lasting performance and enhanced electrical safety.
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2. High CapacityWith a rating of 100A, this circuit breaker is suitable for a wide range of applications, from industrial to residential settings.
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3. Three-Pole DesignThe three-pole design provides comprehensive protection by addressing both phase and neutral lines, ensuring comprehensive circuit safety.
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4. Versatile ApplicationsIdeal for industrial, commercial, and residential applications, making it a versatile solution 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

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