Compact DC miniature circuit breaker for UL489 applications, offering high performance, finger-safe terminals, and electromechanical tripping for reliable short circuit protection.
Product ModelS201UDC-K50
Material Number2CDS271517R0577
Product ID77571
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Compact Design DescriptionThe ABB S201UDC-K50 is designed to be compact, making it ideal for space-constrained applications. Its compact size ensures easy installation and minimal footprint.
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2. UL489 Compliance DescriptionSpecifically designed for DC applications in the scope of UL489, this circuit breaker ensures that your equipment meets the highest safety standards.
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3. Finger-Safe Terminals DescriptionThe S201UDC-K50 features finger-safe terminals, providing a secure and safe working environment. This design prevents accidental contact and ensures operator safety.
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4. Electromechanical Tripping Mechanism DescriptionEquipped with an electromechanical tripping mechanism, this circuit breaker offers reliable short circuit protection. It quickly and effectively interrupts the circuit in case of an overload or short circuit.
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 60 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
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5. High Performance DescriptionThe S201UDC-K50 is engineered to provide high-performance protection. Its sensitive thermal curve and magnetic setting ensure that it can handle in-rush currents without nuisance tripping, while providing excellent protection against overcurrent conditions.
