Why Choose the ABB S303P-B16 Miniature Circuit Breaker?
The ABB S303P-B16 is a premium three-pole miniature circuit breaker (MCB) engineered to provide dependable protection against overloads and short circuits in industrial, commercial and OEM electrical installations. As part of the trusted ABB System pro M compact S300P series, it combines high breaking capacity with reliable operation to safeguard electrical distribution systems and connected equipment.
Manufactured in accordance with international IEC and UL standards, the S303P-B16 delivers outstanding performance in demanding environments. Its compact DIN rail mounted design, integrated trip indicator and fail-safe terminals simplify installation while providing enhanced safety and ease of maintenance.
With a 16 A rated current, a B curve tripping characteristic and a 25 kA breaking capacity, this miniature circuit breaker is ideally suited for protecting lighting circuits, resistive loads and general electrical distribution where fast fault response is required.
Key Advantages
- Compact three-pole miniature circuit breaker for industrial and commercial installations.
- 16 A rated current suitable for a wide range of electrical circuits.
- B curve tripping characteristic for rapid protection of resistive loads.
- 25 kA breaking capacity for high fault protection.
- Integrated trip indication for quick fault identification.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB System pro M compact S300P series.
- 16 A rated current.
- Three protected poles.
- B curve tripping characteristic.
- 415 V AC rated operational voltage.
- 25 kA short-circuit breaking capacity.
- IP20 protection rating.
- 35 mm DIN rail mounting with screw terminals.
Reliable Circuit Protection for Industrial Installations
The ABB S303P-B16 automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping protect wiring, switchgear and connected equipment. Its B curve characteristic provides rapid tripping for circuits supplying lighting and other resistive loads where fast protection is essential.
The S300P series is widely used by electrical contractors, panel builders and OEM manufacturers thanks to its excellent reliability, high breaking performance and straightforward integration into modern electrical distribution systems.
Typical Applications
- Commercial electrical distribution boards.
- Industrial control panels.
- Lighting circuits.
- Building services installations.
- OEM machinery.
- General low voltage electrical distribution.
