S203MT-D8

Name: S203MT-D8
Brand: ABB
SKU: S203MT-D8

ABB's S203MT-D8 miniature circuit breaker is designed for traction and railway applications. It offers 3-phase protection with an 8A current rating, featuring delayed thermal and electromechanical tripping mechanisms for reliable operation.

Product ModelS203MT-D8

Material Number2CDS273445R0081

Product ID80687

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe S203MT-D8 provides reliable protection against overloads and short circuits, ensuring the safety of your electrical system.
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2. Railway-Grade DesignSpecifically designed for traction and railway applications, this circuit breaker meets the stringent requirements of these industries.
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3. Compliance with StandardsCompliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring that your system meets international safety and performance criteria.
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4. Versatile ConfigurationAvailable in different configurations (3P), making it suitable for a wide range of electrical systems.
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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)