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ABB S203-K10 MCB – S200 – 3P – K – 10A
ABB S203-K10 three-pole miniature circuit breaker with a 10 A current rating and K tripping characteristic for motor control and industrial electrical protection.
£61.39
Why Choose the ABB S203-K10 Miniature Circuit Breaker?
The ABB S203-K10 is a premium three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Featuring a 10 A current rating and a K tripping characteristic, it is specifically designed to provide reliable protection for motor control circuits, transformers, contactors and other inductive loads with elevated starting currents. It delivers dependable overload and short circuit protection across commercial, industrial and OEM electrical installations.
Manufactured to ABB's renowned engineering standards, the S203-K10 combines thermal overload protection with fast electromagnetic short circuit protection. Its compact DIN rail mounted design enables quick installation within switchboards, distribution boards and industrial control panels while providing excellent long-term reliability.
Designed in accordance with IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077, the ABB S203-K10 is widely specified by machine builders, electrical contractors and panel manufacturers requiring dependable protection for motor control and industrial automation systems.
Key Advantages
- Three-pole miniature circuit breaker for three-phase electrical systems.
- 10 A rated current suitable for motor control and industrial applications.
- K tripping characteristic designed for inductive loads with high starting currents.
- Reliable overload and short circuit protection.
- Compact DIN rail mounting for straightforward installation.
- Compatible with ABB System pro M Compact accessories.
Key Features
- ABB System pro M Compact S200 series.
- Model: S203-K10.
- 10 A rated current.
- Three protected poles (3P).
- K curve tripping characteristic.
- Thermal and electromagnetic trip mechanisms.
- 6 kA breaking capacity at 230/400 V AC.
- DIN rail mounting for switchboards and control panels.
Reliable Protection for Motor Control Applications
The ABB S203-K10 is engineered to disconnect electrical circuits safely during overloads and short circuits while allowing the temporary high starting currents associated with motors, transformers and other inductive equipment. Its K characteristic helps prevent nuisance tripping during normal equipment start-up whilst maintaining dependable protection.
As part of ABB's proven System pro M Compact range, the S203-K10 offers excellent reliability, straightforward installation and compatibility with a comprehensive range of auxiliary contacts, shunt trips and signalling accessories for complete electrical distribution solutions.
Typical Applications
- Motor control circuits.
- Industrial machinery.
- Transformer protection.
- Industrial control panels.
- OEM equipment.
- Commercial and industrial electrical distribution.
Technical Specifications
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| Certification | UL 1077 | |
|---|---|---|
| Phase | Three Phase | |
| Current | 10 A | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200 | |
| Model | S203-K10 | |
| Product ID | 2CDS253001R0427 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 10 A | |
| Number of poles | 3 | |
| Tripping characteristic | K | |
| Rated operational voltage | 230/400 V AC | |
| Rated insulation voltage | 440 V AC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 6 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 | |
| Dimensions (H × W × D) | Approx. 88 × 52.5 × 69 mm | |
| Weight | Approx. 0.34 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203-K10 used for?
The ABB S203-K10 protects three-phase electrical circuits supplying motors, transformers and other inductive loads against overloads and short circuits.
What does the K tripping characteristic mean?
The K curve is designed for circuits with high starting currents, making it ideal for motors, transformers, contactors and similar inductive equipment.
How many poles does the S203-K10 have?
This model is a three-pole (3P) miniature circuit breaker designed for three-phase electrical systems.
How is the circuit breaker installed?
The ABB S203-K10 clips directly onto a standard DIN rail within switchboards, distribution boards and industrial control panels.
Which standards does the ABB S203-K10 comply with?
The circuit breaker complies with IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077 standards for dependable overcurrent protection.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact miniature circuit breakers are trusted worldwide by electrical engineers, machine builders and panel manufacturers for dependable circuit protection across demanding commercial and industrial applications.
