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2CDS273061R0447 ABB S203M-K13UC 13 A 3-Pole Type K 10 kA Miniature Circuit Breaker
ABB S203M-K13UC is a 13 A three-pole Type K miniature circuit breaker with 10 kA short-circuit breaking capacity, designed for reliable AC and DC circuit protection in industrial, machinery and traction-related applications.
£247.05
Why Choose the ABB S203M-K13UC Miniature Circuit Breaker?
The ABB S203M-K13UC is a high-performance three-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in AC and DC electrical systems. Part of the established ABB System pro M compact® S200 M UC series, this universal-current circuit breaker combines flexible AC/DC operation with robust fault protection for demanding industrial, machinery and traction-related applications.
With a rated current of 13 A, a Type K tripping characteristic and three protected poles, the S203M-K13UC is particularly suitable for circuits with inductive loads and equipment that can produce elevated starting currents. The K characteristic helps provide dependable protection while reducing unnecessary tripping during normal equipment start-up.
The S203M-K13UC is rated for 440 V AC and 440 V DC in accordance with IEC/EN 60947-2 and offers a high built-in short-circuit breaking capacity. Its compact DIN-rail format and compatibility with ABB System pro M compact® accessories make it a flexible protection solution for control panels, machinery, industrial distribution and AC/DC electrical systems.
Key Advantages
- Universal AC/DC miniature circuit breaker for flexible circuit protection.
- 13 A rated current for industrial, control and machinery circuits.
- Three-pole configuration for simultaneous protection of three conductors.
- Type K tripping characteristic suitable for inductive loads and circuits with higher starting currents.
- 10 kA short-circuit breaking capacity for robust fault protection.
- Suitable for demanding industrial and traction-related electrical systems.
- Compatible with the established ABB System pro M compact® accessory range.
Key Features
- ABB S200 M UC / System pro M compact® series.
- 13 A rated current.
- 3-pole configuration.
- K-curve tripping characteristic.
- 10 kA short-circuit breaking capacity.
- Rated for 440 V AC and 440 V DC under IEC/EN 60947-2.
- Designed for AC and DC applications.
- Compliance with IEC/EN 60947-2, UL 1077 and CSA 22.2 No. 235.
- Standard modular DIN-rail mounting.
- Compatible with ABB System pro M compact® accessories.
Reliable Protection for AC and DC Circuits
Miniature circuit breakers protect electrical circuits by automatically interrupting current when an overload or short-circuit condition occurs. The ABB S203M-K13UC combines thermal overload protection with magnetic short-circuit protection, helping prevent excessive current from damaging conductors, machinery and connected electrical equipment.
The S200 M UC range is engineered for flexible AC and DC applications and combines high short-circuit breaking performance with broad international standards compliance. The K characteristic makes the S203M-K13UC particularly useful for circuits supplying inductive equipment and other loads with elevated starting currents, while compatibility with System pro M compact® accessories simplifies integration into modular electrical installations.
Typical Applications
- Industrial AC and DC electrical circuits.
- Machinery and automation control panels.
- Inductive loads and equipment with elevated starting currents.
- Industrial electrical distribution systems.
- Power supply and auxiliary circuits.
- Railway and traction-related electrical systems.
- OEM machinery and industrial equipment.
Technical Specifications
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| Certification | UL 1077 | |
|---|---|---|
| Series | S200 M UC / System pro M compact® | |
| ABB order code | 2CDS273061R0447 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 13 A | |
| Number of poles | 3 | |
| Number of protected poles | 3 | |
| Tripping characteristic | Type K | |
| Rated operational voltage | 440 V AC / 440 V DC according to IEC/EN 60947-2 | |
| Short-circuit breaking capacity | 10 kA | |
| Application | AC/DC circuit protection | |
| Standards | IEC/EN 60947-2, UL 1077, CSA 22.2 No. 235 | |
| Mounting type | DIN rail | |
| Protection rating | IP20 | |
| Operating temperature | -25 to +55 °C | |
| Electrical endurance | 20,000 cycles | |
| Weight | approx. 0.375 kg | |
| EAN | 4013614435430 |
Frequently Asked Questions
What is the ABB S203M-K13UC used for?
The ABB S203M-K13UC is a three-pole miniature circuit breaker designed to protect AC and DC electrical circuits against overload and short-circuit currents, including circuits supplying inductive loads.
What is the rated current of the S203M-K13UC?
The S203M-K13UC has a rated current of 13 A.
What tripping characteristic does this MCB use?
The S203M-K13UC uses a Type K tripping characteristic, making it suitable for inductive equipment and circuits where higher starting currents can occur during normal operation.
What is the short-circuit breaking capacity?
The ABB S203M-K13UC provides a 10 kA short-circuit breaking capacity, delivering robust protection against high fault currents.
Can the ABB S203M-K13UC be used for DC circuits?
Yes. The ABB S200 M UC series is specifically designed for AC and DC applications, with the S203M-K13UC rated for 440 V AC and 440 V DC under IEC/EN 60947-2.
Trusted ABB Circuit Protection
ABB System pro M compact® miniature circuit breakers provide dependable protection for industrial, machinery and infrastructure applications, combining robust electrical performance with modular installation and flexible AC/DC operation.
