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2CDS272527R0457 ABB SU202DC-K15 MCB 14 kA 2P Type K 15 A
ABB SU202DC-K15 is a 15 A two-pole Type K DC miniature circuit breaker with a 14 kA short-circuit rating, designed for reliable overload and short-circuit protection in DC, traction and industrial electrical systems.
£119.58
Why Choose the ABB SU202DC-K15 MCB?
The ABB SU202DC-K15 is a high-performance two-pole DC miniature circuit breaker (MCB) designed to provide dependable overload and short-circuit protection in direct-current electrical systems. Identified by ABB order code 2CDS272527R0457, it combines a 15 A rated current, Type K tripping characteristic and 14 kA short-circuit rating for demanding DC and traction applications.
As part of the ABB SU200DC series, the SU202DC-K15 uses thermal and electromagnetic tripping to protect circuits against sustained overloads and short circuits. Its K characteristic is particularly suitable for loads with elevated starting or inrush currents, helping provide effective circuit protection while reducing unwanted tripping during normal equipment start-up.
The two-pole configuration provides coordinated protection within DC circuits, while the compact modular construction supports straightforward installation in electrical distribution boards and control panels. With its 15 A rating and robust fault-current capability, the SU202DC-K15 is suitable for DC distribution, auxiliary power, industrial control and transportation electrical systems.
Key Advantages
- Purpose-designed miniature circuit breaker for DC applications.
- 15 A rated current for DC distribution and control circuits.
- Two-pole configuration for coordinated DC circuit protection.
- Type K tripping characteristic suitable for loads with elevated starting currents.
- 14 kA short-circuit rating for robust fault protection.
- Thermal and electromagnetic tripping provides dependable overload and short-circuit protection.
Key Features
- ABB SU200DC series.
- 15 A rated current.
- 2-pole configuration.
- K tripping characteristic.
- 14 kA short-circuit rating.
- Designed for DC circuit protection.
- Thermal overload protection.
- Electromagnetic short-circuit protection.
- Compact modular construction for electrical distribution equipment.
- Suitable for DIN-rail installation.
Reliable Protection for DC Electrical Systems
DC miniature circuit breakers protect conductors and connected equipment by automatically interrupting current when overload or short-circuit conditions occur. The combination of thermal and electromagnetic tripping enables the ABB SU202DC-K15 to respond to both sustained overcurrents and rapidly developing electrical faults.
The Type K characteristic makes the SU202DC-K15 particularly useful for circuits where equipment can draw increased current during energisation or start-up. Combined with its two-pole configuration and 14 kA short-circuit rating, it provides compact and dependable protection for DC distribution, traction and industrial control systems.
Typical Applications
- DC electrical distribution systems.
- Railway and traction auxiliary circuits.
- Industrial control and automation panels.
- Circuits with elevated starting or inrush currents.
- DC power supplies and auxiliary systems.
- Machinery and equipment control circuits.
Technical Specifications
| Series | SU200DC |
|---|---|
| ABB order code | 2CDS272527R0457 |
| Product group | DC / Traction MCB |
| Product type | DC miniature circuit breaker (MCB) |
| Rated current | 15 A |
| Number of poles | 2 |
| Tripping characteristic | Type K |
| Short-circuit rating | 14 kA |
| Protection function | Overload and short-circuit protection |
| Overload tripping mechanism | Thermal |
| Short-circuit tripping mechanism | Electromagnetic |
| Mounting type | DIN rail |
Frequently Asked Questions
What is the ABB SU202DC-K15 used for?
The ABB SU202DC-K15 is a two-pole miniature circuit breaker designed to provide overload and short-circuit protection for DC electrical circuits, including industrial, control and traction applications.
What is the rated current of the ABB SU202DC-K15?
The SU202DC-K15 has a rated current of 15 A.
What tripping characteristic does the SU202DC-K15 use?
The SU202DC-K15 uses a Type K tripping characteristic, making it suitable for circuits containing loads with relatively high starting or inrush currents.
What is the short-circuit rating of the ABB SU202DC-K15?
The SU202DC-K15 has a specified 14 kA short-circuit rating.
How does the ABB SU202DC-K15 protect a circuit?
The breaker combines thermal overload protection with electromagnetic short-circuit protection to protect conductors and connected equipment against overcurrent faults.
Trusted ABB DC Circuit Protection
ABB SU200DC miniature circuit breakers provide dependable overload and short-circuit protection for DC distribution, industrial control, automation and transportation electrical systems where compact and reliable circuit protection is essential.
