S203-B10NA

Name: S203-B10NA
Brand: ABB
SKU: S203-B10NA

The ABB S203-B10NA miniature circuit breaker offers reliable protection with its current limiting design and dual tripping mechanisms. Compliant with IEC/EN 60898-1 and UL1077 standards, it is suitable for residential, commercial, and industrial applications.

Product ModelS203-B10NA

Material Number2CDS253103R0105

Product ID79975

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203-B10NA provides robust protection against overloads and short circuits with its current limiting design and dual tripping mechanisms.
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2. Compliance with StandardsMeets IEC/EN 60898-1 and UL1077 standards, ensuring compatibility with various electrical systems.
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3. Versatile ApplicationsSuitable for residential, commercial, and industrial settings, making it a versatile solution for different electrical needs.
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4. Compact DesignDesigned for DIN rail mounting, the S203-B10NA saves space while maintaining high performance.
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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 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)