S203-C4NA

Name: S203-C4NA
Brand: ABB
SKU: S203-C4NA

The ABB S203-C4NA is a 4-pole, 4A miniature circuit breaker suitable for 480Y/277VAC applications. It offers reliable overcurrent protection with UL1077 and CSA 22.2 compliance, making it ideal for residential, commercial, and industrial use.

Product ModelS203-C4NA

Material Number2CDS253103R0044

Product ID78376

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Overcurrent ProtectionThe ABB S203-C4NA provides robust overcurrent protection, ensuring the safety of your electrical system.
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2. Versatile ApplicationsDesigned for residential, commercial, and industrial use, this circuit breaker is versatile and adaptable to various settings.
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3. Compliance with StandardsMeets UL1077 and CSA 22.2 standards, ensuring it meets the highest safety and performance requirements.
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4. Efficient OperationOperates at 480Y/277VAC, making it suitable for a wide range of electrical configurations.
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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)