Why Choose the ABB S203M-C4 Miniature Circuit Breaker?
The ABB S203M-C4 is a compact and reliable 3-pole miniature circuit breaker (MCB) from the ABB System pro M compact S200M series. Designed for dependable protection against overloads and short circuits, it is suitable for residential, commercial and industrial electrical installations where high quality circuit protection is required.
This miniature circuit breaker features a C tripping characteristic, making it suitable for circuits with moderate inrush currents such as small motors, control transformers, lighting groups and general distribution circuits. The current limiting design helps reduce fault energy, improving installation safety and helping protect connected equipment.
With a rated current of 4 A, 3-pole configuration and 10 kA short-circuit breaking capacity, the ABB S203M-C4 provides robust performance in a compact DIN rail mounted format. It is compatible with ABB System pro M accessories, allowing flexible use in distribution boards and control panels.
Key Advantages
- High quality 3-pole miniature circuit breaker for circuit protection.
- 4 A rated current suitable for low current electrical circuits.
- C curve tripping characteristic for moderate inrush current applications.
- 10 kA short-circuit breaking capacity for dependable protection.
- Thermal overload and electromechanical short-circuit tripping mechanisms.
- Compact DIN rail mounting for distribution boards and control panels.
Key Features
- ABB System pro M compact S200M series.
- 3-pole miniature circuit breaker.
- 4 A rated current.
- C tripping characteristic.
- 10 kA rated breaking capacity.
- Current limiting design for enhanced circuit protection.
- Delayed thermal tripping for overload protection.
- Electromechanical tripping for short-circuit protection.
Reliable Protection for Electrical Installations
Miniature circuit breakers such as the ABB S203M-C4 automatically disconnect electrical circuits when overload or short-circuit conditions occur. This helps protect cables, equipment and installations from damage while improving overall electrical safety.
The S200M series is widely used by electrical contractors, panel builders and industrial engineers due to its compact design, high breaking capacity and compatibility with ABB System pro M accessories. Its DIN rail format makes it straightforward to install in modern electrical distribution systems.
Typical Applications
- Commercial distribution boards.
- Industrial control panels.
- Three-phase auxiliary circuits.
- Lighting and power distribution circuits.
- Small motor and transformer protection.
- OEM machinery and panel building.
