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2CDS271527R0407 ABB SU201DC-K8 8 A 1P Type K 14 kA DC Miniature Circuit Breaker
ABB SU201DC-K8 is an 8 A single-pole Type K DC miniature circuit breaker with 14 kA breaking capacity designed for reliable overload and short-circuit protection of DC circuits with elevated starting or inrush currents.
£62.64
Why Choose the ABB SU201DC-K8 Miniature Circuit Breaker?
The ABB SU201DC-K8 is a specialised DC miniature circuit breaker (MCB) designed for dependable overload and short-circuit protection in demanding direct-current electrical systems. This single-pole breaker combines an 8 A rated current, Type K tripping characteristic and 14 kA breaking capacity, providing robust protection for DC circuits.
As part of ABB's DC / Traction MCB portfolio, the SU201DC-K8 is suited to applications where reliable protection of DC conductors and connected equipment is essential. Its thermal-magnetic operating principle provides automatic interruption during sustained overload and short-circuit conditions while offering the resettable convenience of a miniature circuit breaker.
The Type K characteristic is particularly suitable for circuits supplying inductive equipment and other loads with comparatively high temporary starting or inrush currents. Combined with its 8 A rating and high 14 kA short-circuit capability, the SU201DC-K8 is well suited to auxiliary, control, automation and transportation circuits requiring dependable DC protection.
Key Advantages
- Specialised miniature circuit breaker for DC applications.
- 8 A rated current for dependable circuit and conductor protection.
- 14 kA breaking capacity for high short-circuit protection performance.
- Type K tripping characteristic suited to inductive and higher-inrush loads.
- Single-pole configuration for compact circuit protection.
- Provides protection against overload and short-circuit conditions.
- Thermal-magnetic operation provides automatic, resettable circuit protection.
- Suitable for demanding DC, traction and transportation electrical systems.
Key Features
- ABB SU201DC miniature circuit breaker.
- 8 A rated current.
- 14 kA breaking capacity.
- Type K tripping characteristic.
- 1-pole configuration.
- Thermal-magnetic overload and short-circuit protection.
- Designed for direct-current electrical circuits.
- Suitable for inductive equipment and loads with elevated temporary starting currents.
- Compact modular circuit-protection format.
- ABB order code 2CDS271527R0407.
Reliable Protection for DC Circuits with Higher Inrush Loads
The ABB SU201DC-K8 automatically disconnects the protected circuit when excessive current results from an overload or short-circuit condition. Thermal protection responds to sustained overload currents, while magnetic protection provides rapid interruption of severe fault currents, helping safeguard conductors, wiring and connected electrical equipment.
The Type K characteristic allows the SU201DC-K8 to accommodate comparatively high temporary starting currents produced by inductive and other higher-inrush loads. This combination of inrush tolerance, an 8 A rated current and 14 kA breaking capacity makes it a strong choice for demanding DC circuit-protection applications.
Typical Applications
- DC electrical distribution systems.
- Railway and transportation electrical equipment.
- DC auxiliary circuits.
- Control and automation circuits.
- Inductive DC loads.
- Equipment with elevated temporary starting or inrush currents.
- Instrumentation and machine control systems.
Technical Specifications
| Order code | 2CDS271527R0407 |
|---|---|
| Product type | Miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Rated current | 8 A |
| Breaking capacity | 14 kA |
| Tripping characteristic | Type K |
| Number of poles | 1 |
| Protection function | Overload and short-circuit protection |
| Operating principle | Thermal-magnetic |
| Current type | DC |
| Application | DC distribution, control, automation and transportation electrical systems |
Frequently Asked Questions
What is the ABB SU201DC-K8 used for?
The ABB SU201DC-K8 is a single-pole miniature circuit breaker designed to provide overload and short-circuit protection for DC circuits, particularly those supplying inductive equipment or loads with elevated starting currents.
What is the rated current of the SU201DC-K8?
The SU201DC-K8 has a rated current of 8 A.
What is the breaking capacity of the SU201DC-K8?
The SU201DC-K8 has a 14 kA breaking capacity, providing high short-circuit interruption capability for the protected circuit.
What does the Type K tripping characteristic mean?
The Type K characteristic is suited to inductive equipment and other loads that can produce relatively high temporary starting or inrush currents while still requiring dependable overload and short-circuit protection.
What is the ABB order code for the SU201DC-K8?
The ABB order code for the SU201DC-K8 miniature circuit breaker is 2CDS271527R0407.
Trusted Circuit Protection from ABB
ABB DC miniature circuit breakers provide dependable overload and short-circuit protection for demanding direct-current electrical systems, combining defined tripping characteristics, compact construction and high fault-interruption capability for reliable circuit protection.
