S203M-B25NA

Name: S203M-B25NA
Brand: ABB
SKU: S203M-B25NA

The ABB S203M-B25NA miniature circuit breaker provides reliable protection for electrical systems with a rated current of 25A and a built-in depth of 69mm. It meets IEC/EN 60947-2 standards and is suitable for residential and commercial applications.

Product ModelS203M-B25NA

Material Number2CDS273103R0255

Product ID80643

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203M-B25NA offers robust protection against overcurrents and short circuits, ensuring the safety of your electrical system.
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2. Efficient OperationWith a built-in depth of 69mm, this circuit breaker provides efficient operation and easy installation, making it ideal for various applications.
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3. Compliance with StandardsDesigned to meet IEC/EN 60947-2 standards, the S203M-B25NA ensures that your electrical system is protected in compliance with international safety regulations.
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4. Versatile ApplicationSuitable for both residential and commercial use, this miniature circuit breaker is versatile and can be used in a variety of settings, from homes to offices.
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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 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)