"ABB S203M-K35UC Miniature Circuit Breaker - 3P - 35 A. High-performance MCB for DC and AC applications, compliant with major international standards."
Product ModelS203M-K35UC
Material Number2CDS273061R0547
Product ID80836
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Comprehensive Compliance\"Compliant with CSA 22.2 No. 235, IEC/EN 60947-2, and UL 1077, ensuring broad international and local standard compliance.\"
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2. Flexible Application\"Suitable for both DC and AC applications, making it versatile for various electrical needs.\"
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3. High Short-Circuit Breaking Capacity\"Features a high short-circuit breaking capacity of 10 kA at 440 V DC, 480Y/277 V AC, and 500 V DC, ensuring reliable protection.\"
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4. Easy Installation\"Easy to install and maintain, with flexible mounting options including TH35-15 and TH35-7.5 mm mounting rails.\"
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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
CSA 22.2 No. 235 IEC/EN 60947-2 UL 1077
Tripping Characteristic
K
Rated Operational Voltage
acc. to IEC 60898-1 400 V AC acc. to IEC 60898-1 440 V acc. to IEC 60947-2 440 V AC acc. to IEC 60947-2 440 V DC
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 440 V
Rated Impulse Withstand Voltage (Uimp)
4 kV at 2000 m 5 kV at Sea Level 6.2 kV
Input Voltage Type
5. Advanced Safety Features\"Equipped with failsafe bi-directional cylinder-lift terminals and real contact position indication for enhanced safety and comfort.\"
AC/DC
Rated Current (In)
35 A
Rated Short-Circuit Capacity
(AC) 10 kA (230 V AC) 10 kA (400 V AC) 10 kA (230 V) 10 kA (400 V) 10 kA
