Why Choose the ABB 2CDS383103R0104 S303P-C10NA Miniature Circuit Breaker?
The ABB 2CDS383103R0104, also identified as the S303P-C10NA, is a high-performance miniature circuit breaker (MCB) designed to protect industrial electrical installations against overload currents and short circuits. As part of the advanced ABB S300P System pro M compact series, it combines a compact modular design with dependable circuit protection for demanding power distribution applications.
This miniature circuit breaker features a 3P+N configuration, providing protection across three phases while switching the neutral conductor. Its Type C tripping characteristic is suitable for circuits containing equipment with moderate inrush currents, including motors, control transformers, lighting systems and industrial machinery.
With a rated current of 10 A, an operating voltage of up to 415 V AC and a high short-circuit breaking capacity of 25 kA, the S303P-C10NA offers robust protection for industrial distribution boards and control panels. Its DIN rail mounting arrangement supports efficient installation, while bidirectional supply capability allows connection from either the top or bottom.
Key Advantages
- High-performance miniature circuit breaker for industrial installations.
- 10 A rated current with Type C tripping characteristics.
- 3P+N configuration for three-phase circuits with a switched neutral.
- High 25 kA short-circuit breaking capacity.
- Compact modular construction for efficient use of distribution-board space.
- Provides reliable protection against overloads and short circuits.
Key Features
- ABB S300P System pro M compact series.
- 10 A rated operational current.
- Type C instantaneous tripping characteristic.
- Three protected poles plus switched neutral.
- 25 kA AC short-circuit breaking capacity.
- Suitable for AC and DC electrical applications within specified ratings.
- Bidirectional terminals support supply from the top or bottom.
- DIN rail mounting for distribution boards and control panels.
Reliable Circuit Protection for Industrial Installations
Miniature circuit breakers such as the ABB S303P-C10NA automatically disconnect an electrical circuit when excessive current is detected. This helps protect cables, connected equipment and electrical infrastructure from damage caused by overload conditions or short circuits.
The S300P series is engineered for installations requiring high breaking performance, dependable operation and compact panel integration. Its Type C characteristic accommodates moderate starting currents while maintaining effective protection for industrial equipment, machinery circuits and commercial power distribution systems.
Typical Applications
- Industrial electrical distribution boards.
- Three-phase machinery and equipment circuits.
- Motor control panels and automation systems.
- Commercial building electrical installations.
- Data centres and critical power distribution.
- OEM machinery and control-panel construction.
