S203-D0.5NA

Name: S203-D0.5NA
Brand: ABB
SKU: S203-D0.5NA

The ABB S203-D0.5NA is a 3-pole, 0.5A miniature circuit breaker designed for 480VAC applications. It offers thermal-magnetic trip protection and is UL1077 certified, making it suitable for residential, commercial, and industrial use. Ideal for ensuring safe and reliable circuit operation.

Product ModelS203-D0.5NA

Material Number2CDS253103R0981

Product ID79968

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Reliable ProtectionThe ABB S203-D0.5NA provides robust thermal-magnetic trip protection, ensuring your circuits are safeguarded against overloads and short circuits.
2
2. Versatile ApplicationSuitable for a wide range of applications including residential, commercial, and industrial settings, this breaker meets various protection needs.
3
3. UL1077 CertifiedCompliant with UL1077 standards, this circuit breaker is recognized for its high-quality performance and reliability in the market.
4
4. Compact DesignPart of the S200 series, this breaker offers a compact design that fits seamlessly into your electrical panel, saving space without compromising on functionality.
5

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)