ABB S203M-C50UC: 50 A, 3P, 25 kA short-circuit breaking capacity, IEC/EN compliant, ideal for residential, commercial, and industrial applications.
Product ModelS203M-C50UC
Material Number2CDS273061R0504
Product ID77942
Stock on Request
Last updated: 8/29/2026
Key Features
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Feature1. High Short-Circuit Breaking Capacity The ABB S203M-C50UC boasts a robust 25 kA short-circuit breaking capacity, ensuring reliable protection in critical situations.
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Feature2. Comprehensive Standards Compliance Designed to meet IEC/EN 60898-1 and IEC/EN 60947-2 standards, this MCB is suitable for a wide range of applications, including residential, commercial, and industrial use.
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Feature3. Versatile Configuration Options Available in 3-phase configurations, the S203M-C50UC offers flexibility for various electrical setups, making it a versatile choice for different environments.
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Feature4. Advanced Tripping Mechanisms Equipped with both delayed thermal tripping for overload protection and electromechanical tripping for short-circuit protection, this MCB ensures comprehensive safety.
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
Tripping Characteristic
C
Rated Operational Voltage
acc. to IEC 60898-1 400 V AC acc. to IEC 60898-1 440 V DC acc. to IEC 60898-1 440 V acc. to IEC 60898-2 400 V AC acc. to IEC 60947-2 440 V AC acc. to IEC 60947-2 440 V DC
Operational Voltage
Maximum (Incl. Tolerance) 440 V AC Maximum (Incl. Tolerance) 500 V DC Minimum 12 V AC Minimum 12 V DC
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 440 V
Rated Impulse Withstand Voltage (Uimp)
5
Feature5. Durable and Reliable Design Constructed with high-quality materials, the S203M-C50UC is designed to withstand harsh environmental conditions, ensuring long-lasting performance and reliability.
4 kV at 2000 m 5 kV at Sea Level 6.2 kV
Dielectric Test Voltage
50/60 Hz-1 min: 2 kV
Input Voltage Type
AC/DC
Rated Current (In)
50 A
Rated Short-Circuit Capacity
(AC) 10 kA (DC) 10 kA (230 V AC) 10 kA (253 V AC) 10 kA (400 V AC) 10 kA (440 V DC) 10 kA (230 V) 10 kA (400 V) 10 kA
