ABB S203M-K1.6UC: A high-performance miniature circuit breaker for DC and AC applications, offering reliable protection and flexibility in various electrical systems.
Product ModelS203M-K1.6UC
Material Number2CDS273061R0257
Product ID77752
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Versatile Application DescriptionThe S203M-K1.6UC is designed to operate seamlessly in both DC and AC environments, making it a versatile solution for a wide range of electrical applications.
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2. High Performance DescriptionThis miniature circuit breaker boasts high performance capabilities, ensuring reliable and efficient electrical protection in various settings.
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3. Flexible Installation DescriptionWith its compact design, the S203M-K1.6UC can be easily integrated into existing systems, providing a flexible installation solution that meets the needs of modern electrical infrastructure.
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4. Enhanced Safety Features DescriptionEquipped with advanced safety features, the S203M-K1.6UC offers enhanced protection against overcurrents and short circuits, ensuring the safety of people and equipment.
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
5. Comprehensive Compatibility DescriptionFully compatible with the System pro M compact range of accessories, the S203M-K1.6UC integrates seamlessly with other ABB products, providing a comprehensive solution for electrical protection needs.
AC/DC
Rated Current (In)
1.6 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
