The ABB S202M-K40 is a versatile 2-pole miniature circuit breaker suitable for both DC and AC applications, providing reliable overcurrent protection up to 40A.
Product ModelS202M-K40
Material Number2CDS272001R0557
Product ID78463
Stock on Request
Last updated: 8/29/2026
Key Features
1
1. Advanced Protection MechanismThe S202M-K40 features a delayed thermal tripping mechanism, ensuring safe and reliable operation under various load conditions.
2
2. Flexible InstallationDesigned for easy installation on DIN rail, the S202M-K40 offers a compact design that fits seamlessly into your electrical panel, saving space and enhancing efficiency.
3
3. Compliance with International StandardsThe S202M-K40 meets and exceeds international standards such as IEC/EN 60947-2 and UL 1077, ensuring compatibility and safety in diverse applications.
4
4. High-Performance CapabilityWith a high inbuilt short circuit breaking capacity, the S202M-K40 provides robust protection against overcurrents, making it an ideal choice for demanding electrical systems.
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 60898-1 400 V acc. to IEC 60947-2 440 V AC
Operational Voltage
Maximum (Incl. Tolerance) 125 V DC Maximum (Incl. Tolerance) 440 V AC 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. Enhanced Safety FeaturesThe S202M-K40 includes a failsafe bi-directional cylinder-lift terminal, ensuring secure connections and preventing potential wiring errors, thereby enhancing overall safety.
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 (DC) 10 kA (230 V AC) 10 kA (400 V AC) 10 kA (400 V) 10 kA
