Compact 2-pole circuit breaker with 3A rating, K curve, and 125VDC voltage. Ideal for DC applications with UL 489 certification.
Product ModelS202UDC-K3
Material Number2CDS272517R0317
Product ID80476
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Compact DesignThe ABB S202UDC-K3 is designed to be compact, making it easy to integrate into a variety of electrical systems without taking up too much space.
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2. Reliable ProtectionWith UL 489 certification, this circuit breaker ensures reliable protection against overcurrents and short circuits, providing a safe and secure electrical environment.
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3. Easy InstallationThe screw terminals and handle make installation straightforward, reducing the time and effort required for setup.
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4. High PerformanceThe K curve tripping mechanism provides high performance in detecting and interrupting overcurrents, ensuring the circuit breaker operates efficiently and effectively.
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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. Versatile ApplicationSuitable for 125VDC applications, this circuit breaker is versatile and can be used in a variety of DC systems, making it a valuable addition to any electrical installation.
