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ABB S203-C0.5 MCB – S200 – 3P – C – 0.5A
ABB S203-C0.5 three-pole miniature circuit breaker with 0.5 A rated current, C curve tripping characteristic and 6 kA breaking capacity for industrial and commercial electrical installations.
£61.87
Why Choose the ABB S203-C0.5 Miniature Circuit Breaker?
The ABB S203-C0.5 is a premium three-pole miniature circuit breaker (MCB) from the proven ABB System pro M Compact S200 series. Designed to provide reliable overload and short circuit protection, it is ideal for industrial, commercial and OEM electrical installations where dependable circuit protection is essential. The S200 range features advanced current limiting technology with thermal and magnetic trip mechanisms for maximum protection and reliability.
Featuring a C curve tripping characteristic and a 0.5 A rated current, the S203-C0.5 is particularly suited to protecting control circuits, automation equipment, small motors and inductive loads with moderate inrush currents. Its compact DIN rail design allows fast installation while helping to minimise damage during electrical fault conditions.
Manufactured to ABB's exacting standards, the S203-C0.5 delivers long operational life, consistent switching performance and compatibility with ABB's comprehensive range of modular accessories, making it an excellent solution for professional panel builders and electrical contractors.
Key Advantages
- Reliable three-pole miniature circuit breaker for industrial and commercial applications.
- 0.5 A rated current with C curve tripping characteristic.
- 6 kA breaking capacity for dependable circuit protection.
- Protects against overloads and short circuits.
- Current limiting technology reduces fault energy.
- Compatible with ABB auxiliary contacts and modular accessories.
Key Features
- ABB System pro M Compact S200 series.
- 0.5 A rated current.
- C characteristic trip curve.
- Three protected poles (3P).
- 6 kA rated short circuit breaking capacity.
- DIN rail mounting.
- Thermal overload and magnetic short circuit protection.
- Failsafe bi-directional cylinder-lift terminals.
Reliable Protection for Electrical Installations
The ABB S203-C0.5 combines thermal overload protection with rapid magnetic short circuit protection to disconnect electrical faults safely. Its C curve characteristic makes it suitable for circuits with moderate inrush currents, helping prevent nuisance tripping while maintaining reliable circuit protection.
As part of the ABB System pro M Compact range, this miniature circuit breaker offers dependable long-term performance, straightforward DIN rail installation and compatibility with ABB signalling, auxiliary and remote operating accessories for flexible panel design.
Typical Applications
- Industrial control panels.
- Automation systems.
- Control circuits.
- Small motor protection.
- Commercial electrical installations.
- Three-phase power distribution.
Technical Specifications
Tick the specs you need, then view products that match.
| Phase | Three Phase | |
|---|---|---|
| Current | 0.5 A | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200 | |
| Model | S203-C0.5 | |
| Product ID | 2CDS253001R0984 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 0.5 A | |
| Tripping characteristic | C Curve | |
| Number of poles | 3 | |
| Rated operational voltage | 400 V AC | |
| Maximum operating voltage | 440 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Rated short circuit breaking capacity | 6 kA | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | 88 × 52.5 × 69 mm | |
| Weight | Approx. 0.375 kg | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203-C0.5 used for?
The ABB S203-C0.5 protects three-phase electrical circuits against overloads and short circuits in industrial, commercial and OEM installations.
What does the C curve characteristic mean?
A C curve miniature circuit breaker is designed for circuits with moderate inrush currents, making it suitable for motors, control equipment and general power distribution.
What is the rated current of this circuit breaker?
The ABB S203-C0.5 has a 0.5 A rated current.
How many poles does the S203-C0.5 have?
This model features three protected poles (3P) for use in three-phase electrical systems.
How is the ABB S203-C0.5 installed?
The breaker is designed for standard DIN rail mounting inside electrical distribution boards and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact miniature circuit breakers are trusted worldwide by electrical contractors, panel builders and industrial engineers for dependable circuit protection, long service life and consistent performance.
