S203-Z0.5NA

Name: S203-Z0.5NA
Brand: ABB
SKU: S203-Z0.5NA

The Abb S203-Z0.5NA miniature circuit breaker is designed for reliable protection in residential, commercial, and industrial applications. It features a rated current of 0.5 A and complies with IEC/EN 60898-1 and IEC/EN 60947-2 standards. This MCB offers high interrupting capacity and is suitable for various electrical installations.

Product ModelS203-Z0.5NA

Material Number2CDS253103R0158

Product ID78754

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe Abb S203-Z0.5NA miniature circuit breaker provides reliable protection against overloads and short circuits, ensuring the safety of your electrical systems.
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2. Compliance with StandardsCompliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards, this MCB meets the highest industry standards for electrical safety and performance.
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3. High Interrupting CapacityWith an interrupting rating of 6 kA (DC) and 10 kA, the Abb S203-Z0.5NA MCB offers high interrupting capacity, making it suitable for a wide range of applications.
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4. Versatile Mounting OptionsThis MCB can be mounted on DIN rail TH35-15 or TH35-7.5 mm, providing flexibility in installation and making it easy to integrate into various electrical systems.

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