ABB S203M-C0.5 3-pole 0.5 A Type C miniature circuit breaker with 10 kA breaking capacity for industrial, commercial and OEM electrical protection.
£113.04
The ABB S203M-C0.5 is a precision-engineered 3-pole miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in low current three-phase electrical circuits. As part of the trusted ABB System pro M Compact S200M series, it delivers dependable protection, compact installation and long service life for industrial, commercial and OEM applications.
Featuring a Type C tripping characteristic, the S203M-C0.5 is ideal for circuits with moderate inrush currents, including instrumentation, control transformers, automation equipment, PLC panels and auxiliary power supplies. Its thermal and magnetic tripping mechanisms ensure rapid fault protection whilst helping to minimise nuisance tripping.
With a 0.5 A rated current, 3-pole configuration and a 10 kA breaking capacity, the ABB S203M-C0.5 provides dependable protection whilst complying with IEC/EN 60898-1 and IEC/EN 60947-2 standards.
The ABB S203M-C0.5 automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping to protect sensitive control equipment, instrumentation, wiring and connected devices. Its current-limiting construction reduces fault energy and contributes to improved electrical safety.
Designed for professional installations, the S200M range combines dependable operation, long mechanical endurance and compatibility with ABB modular accessories. It is widely used in industrial control panels, OEM machinery and commercial electrical systems.
| Current | 0.5 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M Compact S200M |
| Model | S203M-C0.5 |
| Manufacturer part number | 2CDS273001R0984 |
| EAN | 4016779550352 |
| Product type | Miniature Circuit Breaker (MCB) |
| Rated current | 0.5 A |
| Tripping characteristic | Type C |
| Number of poles | 3P |
| Rated operational voltage | Up to 440 V AC |
| Rated DC voltage | Up to 125 V DC |
| Frequency | 50 / 60 Hz |
| Breaking capacity | 10 kA |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Dimensions (H × W × D) | approx. 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 |
The ABB S203M-C0.5 protects low current three-phase electrical circuits against overloads and short circuits in industrial, commercial and automation applications.
The S203M-C0.5 has a rated current of 0.5 A.
Type C circuit breakers are designed for circuits with moderate inrush currents, making them suitable for control transformers, automation equipment and other inductive loads.
This model is a 3-pole miniature circuit breaker, providing simultaneous protection and isolation across three conductors.
The ABB S203M-C0.5 has a rated short-circuit breaking capacity of 10 kA.
ABB System pro M Compact miniature circuit breakers are trusted by electricians, panel builders and automation engineers worldwide for dependable circuit protection, compact installation and long-term reliability.
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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...