Why Choose the ABB S203M-C63NA Miniature Circuit Breaker?
The ABB S203M-C63NA is a dependable miniature circuit breaker (MCB) from the proven ABB System pro M Compact S200M series, designed to provide reliable overload and short circuit protection for industrial, commercial and OEM electrical installations. Featuring a C characteristic trip curve, it is ideal for protecting general-purpose power circuits and equipment with moderate inrush currents.
The S200M range combines compact dimensions with outstanding performance, making installation simple whilst delivering excellent reliability. Its thermal and electromechanical tripping mechanisms provide dependable protection, helping to maximise equipment uptime and maintain electrical safety.
With a 63 A rated current, 3P+N configuration and a 10 kA breaking capacity, the S203M-C63NA is well suited to protecting three-phase distribution circuits, machinery and industrial control panels.
Key Advantages
- High quality miniature circuit breaker for industrial and commercial applications.
- 63 A rated current for demanding electrical loads.
- C characteristic suitable for general-purpose circuits with moderate inrush currents.
- 3P+N configuration with switched neutral.
- 10 kA breaking capacity for dependable fault protection.
- DIN rail mounting for straightforward installation in distribution boards and control panels.
Key Features
- ABB System pro M Compact S200M series.
- 63 A rated current.
- C curve tripping characteristic.
- 3P+N pole configuration.
- 10 kA rated short circuit breaking capacity.
- Thermal overload and electromechanical short circuit protection.
- Current limiting design.
- Compatible with ABB auxiliary contacts and signalling accessories.
Reliable Protection for Industrial Power Distribution
The ABB S203M-C63NA protects electrical circuits by automatically disconnecting the supply during overloads and short circuits. Its thermal tripping mechanism protects against sustained overload conditions, whilst the electromechanical mechanism reacts rapidly to fault currents.
The C curve characteristic is designed for general electrical distribution and equipment with moderate inrush currents, making it suitable for a wide range of industrial machinery, commercial installations and automation systems.
Typical Applications
- Industrial control panels.
- Commercial distribution boards.
- OEM machinery.
- Automation systems.
- General three-phase power distribution.
- Industrial manufacturing equipment.