ABB S202MTR-K40: Reliable DC protection for rolling stock with high breaking capacity, compliant to traction standards, and designed for extreme conditions.
Product ModelS202MTR-K40
Material Number2CDS272447R0557
Product ID78861
Stock on Request
Last updated: 8/29/2026
Key Features
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Feature1. Compliance to Traction Standards The ABB S202MTR-K40 is compliant to traction standards, ensuring it meets the rigorous requirements for rolling stock applications. This includes compliance with IEC/EN 60947-2, NFPA-130, and EN45545-2.
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Feature2. High Breaking Capacity With a high breaking capacity of up to 10 kA DC, the S202MTR-K40 provides robust protection against short circuits, ensuring the safety of the electrical system in rolling stock.
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Feature3. Extreme Operating Conditions Designed for extreme operating temperatures ranging from -40°C to +75°C, this miniature circuit breaker is suitable for harsh environments commonly found in rolling stock.
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Feature4. Compact and Reliable Design The compact dimensions of 85 x 69 x 17.5 mm make the S202MTR-K40 ideal for space-constrained applications. Its reliable operation ensures consistent performance in nearly all environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Standards
IEC/EN 60947-2
Tripping Characteristic
K
Rated Voltage (Ur)
440 V
Rated Operational Voltage
440 V AC acc. to IEC 60898-1 440 V acc. to IEC 60947-2 240 V AC
Operational Voltage
Minimum 12 V AC / 12 V DC
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 440 V
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Feature5. Comprehensive Safety Features Equipped with ring tongue connection technology, the S202MTR-K40 offers reliable operation and additional functionalities like lock, remote control, and device status visualization. It also features shock resistance according to IEC/EN 60068-2-27 and vibration resistance according to IEC/EN 60068-2-6.
