S203-Z16NA

Name: S203-Z16NA
Brand: ABB
SKU: S203-Z16NA

"ABB S203-Z16NA: A compact, reliable miniature circuit breaker designed for overcurrent protection. Suitable for 480Y/277 VAC, 0.5 to 63 Amps, and features line and load terminals. Perfect for residential, commercial, and industrial use."

Product ModelS203-Z16NA

Material Number2CDS253103R0468

Product ID78212

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Overcurrent Protection\"The ABB S203-Z16NA provides robust overcurrent protection, ensuring your electrical system is safe and reliable. Its fixed thermal and magnetic trip units ensure consistent performance.\"
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2. Versatile Application\"Ideal for residential, commercial, and industrial applications, this miniature circuit breaker is versatile and can be used in a variety of settings.\"
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3. Compact Design\"With a compact design, the ABB S203-Z16NA fits seamlessly into your electrical panel, saving space without compromising on performance.\"
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4. Easy Installation\"Featuring screw terminals and a DIN rail mounting system, the ABB S203-Z16NA is easy to install and maintain, ensuring minimal downtime.\"

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

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

4 kV at 2000 m 5 kV at Sea Level 6.2 kV