High-performance DC miniature circuit breaker for UL489 certified systems, offering robust overcurrent protection and advanced reliability.
Product ModelS202UDC-K4
Material Number2CDS272517R0337
Product ID80291
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Advanced Protection for DC ApplicationsThe ABB S202UDC-K4 is specifically designed for DC applications, ensuring reliable and efficient protection in a variety of settings.
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2. UL489 CertificationCertified to UL489 standards, this MCB meets the highest safety and performance requirements for DC circuits, providing peace of mind in critical applications.
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3. High Performance and ReliabilityWith its advanced tripping mechanism, the S202UDC-K4 offers fast and accurate response to overcurrent conditions, ensuring the integrity of your electrical system.
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4. Compact Design and Easy InstallationPart of the System pro M compact series, this MCB is designed for easy installation and integration into existing electrical systems, minimizing downtime and installation costs.
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
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5. Durable and Reliable ConstructionBuilt with high-quality materials and designed for durability, the S202UDC-K4 ensures long-lasting performance and minimal maintenance requirements, making it an ideal choice for demanding applications.
