Why Choose the ABB 2CDS383103R0254 S303P-C25NA Miniature Circuit Breaker?
The ABB 2CDS383103R0254, also known as the S303P-C25NA, is a premium miniature circuit breaker (MCB) engineered to provide dependable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the renowned ABB S300P System pro M compact range, it delivers outstanding fault protection, exceptional reliability and a compact design for demanding power distribution systems.
Featuring a 3P+N configuration, the S303P-C25NA protects all three phase conductors while incorporating a switched neutral pole. Its Type C tripping characteristic makes it ideal for circuits with moderate inrush currents, including motors, pumps, compressors, transformers, HVAC equipment and industrial machinery.
With a rated current of 25 A, a maximum operating voltage of 415 V AC and a 25 kA short-circuit breaking capacity, the ABB S303P-C25NA provides dependable protection for switchboards, control panels and industrial distribution systems. Its compact DIN rail mounting simplifies installation while maximising available panel space.
Key Advantages
- Premium ABB miniature circuit breaker for industrial electrical protection.
- 25 A rated current with Type C tripping characteristic.
- 3P+N configuration with three protected poles and switched neutral.
- 25 kA breaking capacity for demanding installations.
- DIN rail mounting for fast installation.
- Reliable overload and short-circuit protection.
Key Features
- ABB S300P System pro M compact series.
- 25 A rated operational current.
- Type C tripping characteristic.
- Three protected poles with switched neutral.
- 25 kA rated short-circuit breaking capacity.
- Suitable for AC/DC applications.
- Bidirectional supply capability.
- Contact position indication (Red ON / Green OFF).
- DIN rail installation.
Reliable Circuit Protection for Industrial Applications
The ABB S303P-C25NA automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping to protect cables, machinery and electrical equipment while improving operational safety and reducing downtime.
Its Type C tripping characteristic makes it particularly suitable for circuits supplying motors and inductive equipment that experience moderate starting currents. Combined with ABB's proven S300P platform, it delivers dependable long-term performance in industrial automation, commercial buildings and OEM machinery.
Typical Applications
- Industrial distribution boards.
- Motor control circuits.
- HVAC installations.
- Machine control panels.
- Commercial electrical installations.
- OEM machinery and automation systems.
