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2CDS271527R0487 ABB SU201DC-K20 MCB 14kA 1P Type K 20A
ABB SU201DC-K20 is a 20 A single-pole Type K DC miniature circuit breaker with a 14 kA short-circuit rating for overload and short-circuit protection in industrial, commercial and traction-related DC applications.
£60.03
Why Choose the ABB SU201DC-K20 Miniature Circuit Breaker?
The ABB SU201DC-K20 is a high-performance single-pole DC miniature circuit breaker (MCB) designed to protect electrical circuits against overload and short-circuit conditions. As part of the ABB SU200DC series, it is specifically developed for direct-current applications in commercial, industrial and traction-related electrical systems.
Featuring a Type K tripping characteristic, the SU201DC-K20 is well suited to circuits supplying motors, transformers and other equipment that can produce functional peak or inrush currents. The Type K characteristic helps accommodate these normal current peaks while maintaining effective overload and short-circuit protection for cables, conductors and connected equipment.
With a rated current of 20 A, a single-pole configuration and a short-circuit rating of 14 kA, the SU201DC-K20 provides robust circuit protection for demanding DC installations. ABB order code 2CDS271527R0487 identifies this specific 20 A Type K version of the SU201DC range.
Key Advantages
- Purpose-designed miniature circuit breaker for DC applications.
- 20 A rated current for protection of DC circuits and connected equipment.
- 14 kA short-circuit rating for demanding circuit protection requirements.
- Type K tripping characteristic suitable for loads with functional peak and inrush currents.
- Suitable for protecting motor, transformer, auxiliary and control circuits.
- Thermal and electromagnetic tripping provides overload and short-circuit protection.
- Compact single-pole construction for space-efficient electrical installations.
- Designed for DC and traction-related applications.
Key Features
- ABB SU200DC miniature circuit breaker series.
- 20 A rated current.
- 1-pole configuration.
- Type K tripping characteristic.
- 14 kA short-circuit rating.
- Designed specifically for DC circuit protection.
- Suitable for loads with elevated starting or inrush currents.
- Thermal trip mechanism for overload protection.
- Electromagnetic trip mechanism for short-circuit protection.
- Compact modular construction for electrical distribution assemblies.
- Suitable for industrial, commercial and traction-related installations.
Reliable Protection for DC Electrical Circuits
Miniature circuit breakers such as the ABB SU201DC-K20 protect cables, conductors and connected equipment by interrupting excessive current caused by overload or short-circuit conditions. Thermal and electromagnetic tripping mechanisms provide complementary protection, helping maintain safe and dependable operation of DC electrical systems.
The Type K characteristic makes the SU201DC-K20 particularly suitable for circuits where motors, transformers or similar loads can generate temporary starting currents. Its 20 A rating and 14 kA short-circuit capability combine with ABB's dedicated DC circuit-breaker design to provide reliable protection for industrial, commercial and traction-related installations.
Typical Applications
- DC electrical distribution systems.
- Industrial motor circuits.
- Transformer circuits.
- DC auxiliary and control circuits.
- Traction and transportation electrical systems.
- Industrial control and automation equipment.
- Commercial and industrial electrical installations.
- Control panels and modular DIN rail assemblies.
Technical Specifications
| Series | SU200DC |
|---|---|
| ABB order code | 2CDS271527R0487 |
| Product type | DC miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Rated current | 20 A |
| Number of poles | 1 |
| Tripping characteristic | Type K |
| Short-circuit rating | 14 kA |
| Voltage type | DC |
| Mounting type | DIN rail |
| Width | 1 module |
Frequently Asked Questions
What is the ABB SU201DC-K20 used for?
The ABB SU201DC-K20 is a DC miniature circuit breaker used to protect cables, conductors and connected equipment against overload and short-circuit conditions, including applications involving motors, transformers and auxiliary circuits.
What is the rated current of the SU201DC-K20?
The SU201DC-K20 has a rated current of 20 A and uses a single-pole configuration.
What does the Type K characteristic mean?
The Type K tripping characteristic is suitable for loads that can experience functional peak or inrush currents, such as motors and transformers, while providing overload and short-circuit protection for the circuit.
What is the short-circuit rating of the ABB SU201DC-K20?
The SU201DC-K20 has a 14 kA short-circuit rating, providing robust protection for demanding DC electrical applications.
What is the ABB order code for the SU201DC-K20?
The ABB order code for the SU201DC-K20 20 A single-pole Type K MCB is 2CDS271527R0487.
Trusted ABB Circuit Protection
ABB SU200DC miniature circuit breakers provide dependable overload and short-circuit protection for DC electrical systems, combining dedicated DC design with compact modular construction for commercial, industrial and traction-related installations.
