ABB S203P-C0.5 three-pole miniature circuit breaker with 0.5 A rated current and C curve tripping characteristic for reliable overload and short-circuit protection in industrial and commercial installations.
The ABB S203P-C0.5 is a premium three-pole miniature circuit breaker from the ABB System pro M compact S200P series, designed to provide dependable overload and short-circuit protection for commercial and industrial electrical installations. Featuring a 0.5 A rated current and a C-curve tripping characteristic, it is ideal for low-current circuits with moderate inrush currents, including control systems, instrumentation and automation equipment.
The S200P range incorporates advanced current-limiting technology that helps minimise fault energy while protecting downstream equipment. Separate thermal and electromechanical tripping mechanisms provide reliable overload and short-circuit protection, ensuring long service life and dependable performance in demanding applications.
With its three-pole configuration, compact modular construction and DIN rail mounting, the S203P-C0.5 is well suited for industrial control panels, machinery and electrical distribution systems requiring accurate low-current circuit protection.
The ABB S203P-C0.5 automatically disconnects electrical circuits during overload or short-circuit conditions, helping protect sensitive equipment, wiring and electrical installations. Its C-curve characteristic makes it suitable for circuits with moderate starting currents, including control systems and general industrial applications.
Designed to comply with recognised international standards including IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 and CSA 22.2 No. 235, the S200P series delivers dependable protection across industrial automation, OEM machinery and commercial electrical installations.
| Current | 0.5 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | System pro M compact S200P |
| Model | S203P-C0.5 |
| Product ID | 2CDS283001R0984 |
| EAN | 4016779590518 |
| Product type | Miniature circuit breaker |
| Number of poles | 3P |
| Rated current | 0.5 A |
| Tripping characteristic | C curve |
| Breaking capacity | Up to 25 kA at 230 / 400 V AC |
| Rated operational voltage | 400 V AC |
| Maximum operational voltage | 440 V AC |
| Frequency | 50 / 60 Hz |
| Protection rating | IP20 (IP40 when installed in an enclosure) |
| Mounting type | DIN rail |
| Terminal type | Screw terminals |
| Dimensions (H × W × D) | 88 × 52.5 × 69 mm |
| Weight | Approx. 0.42 kg |
The ABB S203P-C0.5 protects low-current three-phase electrical circuits against overloads and short circuits in commercial and industrial installations.
The circuit breaker has a rated current of 0.5 A.
The C-curve characteristic is intended for circuits with moderate inrush currents, making it suitable for control equipment, instrumentation and general industrial applications.
The ABB S203P-C0.5 is a three-pole miniature circuit breaker designed for three-phase systems.
The breaker is designed for installation onto a standard 35 mm DIN rail inside electrical distribution boards and control panels.
ABB System pro M compact S200P miniature circuit breakers are trusted by panel builders, OEMs and industrial engineers for dependable low voltage circuit protection across demanding commercial and industrial applications.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...