S203MT-B2NA

Name: S203MT-B2NA
Brand: ABB
SKU: S203MT-B2NA

The ABB S203MT-B2NA miniature circuit breaker provides reliable short-circuit protection and meets IEC/EN 60898-1 and IEC/EN 60947-2 standards. Suitable for residential, commercial, and industrial use, it ensures robust electrical safety.

Product ModelS203MT-B2NA

Material Number2CDS273446R0025

Product ID78697

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203MT-B2NA offers robust short-circuit protection, ensuring your electrical system is safe from potential hazards.
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2. Compliance StandardsMeets IEC/EN 60898-1 and IEC/EN 60947-2 standards, guaranteeing compliance with international safety regulations.
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3. Versatile ApplicationsSuitable for residential, commercial, and industrial use, making it a versatile solution for various electrical needs.
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4. Efficient DesignDesigned for efficiency, the S203MT-B2NA minimizes power loss and ensures optimal performance in your electrical system.
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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 60898-1 400 V 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)