S203-C50NA

Name: S203-C50NA
Brand: ABB
SKU: S203-C50NA

"ABB S203-C50NA: A reliable miniature circuit breaker with current limiting and dual tripping mechanisms. Suitable for residential, commercial, and industrial applications, ensuring safe and efficient electrical distribution."

Product ModelS203-C50NA

Material Number2CDS253103R0504

Product ID79796

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Current Limiting Mechanism\"The S203-C50NA features a current limiting mechanism, which helps prevent damage to your electrical system by reducing the current flow during an overload.\"
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2. Dual Tripping Mechanisms\"Equipped with two tripping mechanisms – delayed thermal tripping for overload protection and electromechanical tripping for short circuit protection – ensuring comprehensive safety.\"
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3. Wide Application Range\"Ideal for residential, commercial, and industrial applications, making it a versatile solution for various electrical needs.\"
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4. High Interrupting Rating\"With an interrupting rating of 6 kA (DC) and 10 kA, the S203-C50NA provides robust protection against electrical surges and faults.\"

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)