"ABB S204M-C40UC: Reliable miniature circuit breaker for DC and AC applications, featuring high short-circuit breaking capacity and compliance with major international standards."
Product ModelS204M-C40UC
Material Number2CDS274061R0404
Product ID78944
Stock on Request
Last updated: 8/29/2026
Key Features
1
1. High Short-Circuit Breaking Capacity\"The ABB S204M-C40UC boasts an impressive short-circuit breaking capacity, ensuring your equipment is protected from sudden power surges.\"
2
2. Versatile for DC and AC Applications\"Designed for both DC and AC applications, this miniature circuit breaker offers flexibility in various electrical systems.\"
3
3. Compliance with Major International Standards\"Compliant with IEC/EN 60898-2, IEC/EN 60947-2, and other major international standards, ensuring reliability and safety.\"
4
4. Easy Integration with System Pro M Compact Accessories\"All current System pro M compact accessories can be easily combined with the new model line, simplifying your installation and maintenance processes.\"
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
5. Durable and Reliable Construction\"Built with durable materials and designed for long-lasting performance, the ABB S204M-C40UC provides reliable protection for your electrical equipment.\"
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)
40 A
Rated Short-Circuit Capacity
(AC) 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
