High-performance DC miniature circuit breaker with current limiting and fast breaking time, ideal for reliable protection in DC applications.
Product ModelS201UDC-K20
Material Number2CDS271517R0487
Product ID79285
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Current LimitingThe S201UDC-K20 is designed to limit current during system start-up, making it suitable for applications like motors and transformers.
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2. Fast Breaking TimeThis circuit breaker ensures quick disconnection in case of an overload, providing fast and reliable protection for your equipment.
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3. Compact DesignWith a compact design, the S201UDC-K20 fits seamlessly into DIN rail mounting systems, making it ideal for space-constrained applications.
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4. UL489 ComplianceMeeting UL489 standards, this circuit breaker is certified for use in DC applications, ensuring compliance with industry safety regulations.
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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
60 V DC acc. to IEC 60898-1 125 V acc. to IEC 60947-2 60 V
Rated Insulation Voltage (Ui)
440 V acc. to IEC/EN 60664-1 440 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. High PerformanceThe S201UDC-K20 offers high-performance protection with its K-curve trip mechanism, providing excellent sensitivity and reliability in detecting overcurrents.
