S203-C0.5NA

Name: S203-C0.5NA
Brand: ABB
SKU: S203-C0.5NA

The ABB S203-C0.5NA miniature circuit breaker provides reliable protection for your applications. With a rated current of 0.5 A and a tripping characteristic of C, it ensures safe operation in residential, commercial, and industrial settings.

Product ModelS203-C0.5NA

Material Number2CDS253103R0984

Product ID78904

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203-C0.5NA miniature circuit breaker offers robust protection against short circuits and overloads, ensuring the safety of your electrical system.
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2. Versatile ApplicationsDesigned for residential, commercial, and industrial applications, this circuit breaker is versatile and can be used in a variety of settings.
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3. High Interrupting RatingWith an interrupting rating of 6 kA (DC) and 10 kA, it can handle high current surges effectively, providing reliable operation under demanding conditions.
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4. Easy InstallationThe screw terminal type and DIN rail mounting options make installation straightforward, saving time and effort in your electrical setup.
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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)