S203-B50NA

Name: S203-B50NA
Brand: ABB
SKU: S203-B50NA

Product Description: "The ABB S203-B50NA is a compact, high-performance miniature circuit breaker designed to provide reliable 50A protection. Suitable for a wide range of applications, it ensures safe and efficient electrical distribution."

Product ModelS203-B50NA

Material Number2CDS253103R0505

Product ID80710

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Protection\"The ABB S203-B50NA offers reliable 50A protection, ensuring your electrical system operates safely and efficiently.\"
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2. Compact Design\"Its compact design makes it ideal for use in a variety of applications, including residential and commercial settings.\"
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3. High Performance\"With its high-performance capabilities, this circuit breaker provides consistent and reliable operation.\"
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4. Versatile Use\"Suitable for a wide range of applications, the ABB S203-B50NA is a versatile solution for any electrical distribution needs.\"
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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)