High-performance DC miniature circuit breaker for reliable protection in various applications, meeting UL489 standards.
Product ModelS202UDC-K1
Material Number2CDS272517R0217
Product ID78682
Stock on Request
Last updated: 8/29/2026
Key Features
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1. High Performance for DC ApplicationsThe ABB S202UDC-K1 is specifically designed for high-performance DC applications, ensuring reliable protection in a wide range of settings.
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2. Compliance with UL489 StandardsThis circuit breaker meets the stringent requirements of UL489, providing assurance of safety and reliability in DC circuits.
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3. Flexibility and CompatibilityPart of the System pro M compact range, the S202UDC-K1 is fully compatible with other System pro M compact accessories, offering flexibility in system design and installation.
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4. Enhanced Safety FeaturesEquipped with advanced safety features, this circuit breaker provides comprehensive protection against overcurrents and earth fault currents, ensuring a safe operating environment.
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. Compact Design for Easy InstallationWith its compact design, the S202UDC-K1 is easy to install and integrate into existing systems, making it an ideal choice for both new and existing installations.