S203M-C0.5NA

Name: S203M-C0.5NA
Brand: ABB
SKU: S203M-C0.5NA

The ABB S203M-C0.5NA is a compact, current-limiting miniature circuit breaker designed for reliable protection in various applications. It features dual tripping mechanisms for overload and short circuit protection, making it suitable for residential, commercial, and industrial use.

Product ModelS203M-C0.5NA

Material Number2CDS273103R0984

Product ID80714

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203M-C0.5NA provides reliable protection with its current-limiting design, ensuring safe operation in various electrical systems.
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2. Dual Tripping MechanismsEquipped with both delayed thermal and electromechanical tripping mechanisms, this MCB offers comprehensive protection against overloads and short circuits.
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3. Versatile ApplicationsSuitable for residential, commercial, and industrial applications, the S203M-C0.5NA is a versatile solution for diverse electrical needs.
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4. Compact DesignThe compact design of the S203M-C0.5NA allows for easy mounting on DIN rails, saving space in electrical panels.
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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 CSA 22.2 No. 235 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)