The ABB S202UDC-K8 is a high-performance miniature circuit breaker designed for DC applications, offering reliable current limiting protection and compact design.
Product ModelS202UDC-K8
Material Number2CDS272517R0407
Product ID80524
Stock on Request
Last updated: 8/29/2026
Key Features
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1. High PerformanceThe ABB S202UDC-K8 is engineered to provide maximum protection with a very low short circuit trip setting, making it ideal for sensitive electronics and control circuits.
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2. Compact DesignWith dimensions of 71 mm L x 35 mm W x 92 mm H, this MCB fits seamlessly into any electrical panel, ensuring a compact and efficient solution.
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3. DC ApplicationSpecifically designed for DC applications, the S202UDC-K8 meets the standards of UL489, ensuring it is suitable for a wide range of DC systems.
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4. Reliable ProtectionFeaturing a K-Curve/Electromechanic/Thermal Magnetic trip mechanism, this MCB provides robust protection against short circuits and overcurrents.
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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
UL 489
Tripping Characteristic
K
Rated Operational Voltage
125 V DC acc. to IEC 60898-1 250 V acc. to IEC 60947-2 125 V
Rated Insulation Voltage (Ui)
440 V
Rated Impulse Withstand Voltage (Uimp)
4 kV at 2000 m 5 kV at Sea Level 6.2 kV
Primary Rated Impulse Withstand Voltage
4 kV
5. Easy InstallationWith a DIN Rail mounting option and screw connection for 18 to 16 AWG wire, installation is straightforward and efficient, making it a convenient choice for electrical engineers.
