S203MT-K0,5

Name: S203MT-K0,5
Brand: ABB
SKU: S203MT-K0,5

The ABB S203MT-K0.5NA is a 0.5A, 3P+N, K-type miniature circuit breaker suitable for residential, commercial, and industrial use. It provides reliable short circuit and overload protection, making it an ideal choice for space-saving installations.

Product ModelS203MT-K0,5

Material Number2CDS273445R0157

Product ID80275

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203MT-K0.5NA offers robust short circuit and overload protection, ensuring the safety of your electrical system.
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2. Space-Saving DesignWith a bottom-fitting auxiliary contact, this MCB can save up to 50% space in your electrical panel, making it perfect for compact installations.
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3. Versatile ApplicationsDesigned for residential, commercial, and industrial use, this MCB is versatile and can be used in a variety of settings.
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4. Compliance with StandardsAllNA MCBs of the S200M range comply with IEC/EN 60898-1 and IEC/EN 60947-2, ensuring compliance with international safety standards.
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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, CSA 22.2 No. 235

Tripping Characteristic

Rated Voltage (Ur)

440 V

Rated Operational Voltage

acc. to IEC 60898-1 440 V acc. to IEC 60947-2 230 V

Operational Voltage

Maximum (Incl. Tolerance) 253 V AC Maximum (Incl. Tolerance) 66 V DC Minimum 12 V AC Minimum 12 V DC

Rated Insulation Voltage (Ui)