"ABB S203MT-B6: A reliable miniature circuit breaker for traction and railway applications, featuring 6A current, 3P configuration, and 10kA short-circuit breaking capacity."
Product ModelS203MT-B6
Material Number2CDS273445R0065
Product ID78930
Stock on Request
Last updated: 8/29/2026
Key Features
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1. High Short-Circuit Breaking Capacity\"The ABB S203MT-B6 boasts an impressive 10kA short-circuit breaking capacity, ensuring reliable protection in high-stress environments.\"
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2. Durable Design\"Crafted with dedicated plastic material, this MCB complies with European Fire & Smoke Standard (EN 45545-2), making it ideal for rolling stock installations.\"
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3. Versatile Configuration\"Available in a 3P configuration, the S203MT-B6 offers flexibility for various electrical systems, ensuring seamless integration.\"
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4. Extreme Temperature Tolerance\"Designed to operate from -40°C to +70°C, this MCB can handle extreme temperatures, making it perfect for harsh environments.\"
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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
B
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)
5. Compliance with International Standards\"The S203MT-B6 meets IEC/EN 60664-1 and IEC/EN 60947-2 standards, ensuring it is compatible with a wide range of electrical systems.\"
