Why Choose the ABB S303P-B32NA Miniature Circuit Breaker?
The ABB S303P-B32NA, product code 2CDS383103R0325, is a premium miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the trusted ABB System pro M compact S300P series, it combines high breaking capacity, reliable operation and robust construction for demanding applications.
Featuring a Type B tripping characteristic, the S303P-B32NA is ideally suited to circuits with low inrush currents, including lighting, socket outlets, electronic equipment and resistive loads. The thermal and magnetic trip mechanisms ensure rapid fault detection while helping protect wiring, equipment and personnel.
With a rated current of 32 A, a 3P+N configuration and a rated operational voltage of up to 415 V AC, this miniature circuit breaker is ideal for three-phase distribution systems requiring simultaneous neutral switching. Its DIN rail mounting design enables straightforward installation into modern electrical panels and switchboards.
Key Advantages
- Reliable overload and short-circuit protection.
- 32 A rated current for industrial and commercial distribution circuits.
- Type B tripping characteristic for low inrush current applications.
- 3P+N configuration with switched neutral.
- 25 kA breaking capacity for demanding installations.
- Compact DIN rail mounting for easy installation and maintenance.
Key Features
- ABB System pro M compact S300P series.
- 32 A nominal current.
- Type B tripping characteristic.
- Three protected poles plus switched neutral.
- Rated operational voltage up to 415 V AC.
- High 25 kA IEC 60947-2 breaking capacity.
- Suitable for AC and DC applications.
- Compatible with ABB modular accessories.
Reliable Protection for Electrical Distribution
Miniature circuit breakers automatically disconnect electrical circuits when abnormal current conditions occur. Their combined thermal and magnetic trip mechanisms help prevent cable damage, equipment failure and electrical hazards while ensuring dependable operation in industrial and commercial installations.
The ABB S303P-B32NA is designed for applications where rapid protection of low inrush current circuits is required. Its high breaking capacity and robust construction make it suitable for modern electrical distribution systems requiring dependable protection and long service life.
Typical Applications
- Industrial distribution boards.
- Commercial electrical installations.
- Lighting circuits.
- Socket outlet circuits.
- Control panels and automation systems.
- Electronic and resistive load protection.
