Why Choose the ABB S303P-B13 Miniature Circuit Breaker?
The ABB S303P-B13 is a premium three-pole miniature circuit breaker (MCB) engineered to provide dependable protection against overloads and short circuits in commercial, industrial and OEM electrical installations. Part of the trusted ABB System pro M compact S300P series, it combines high breaking capacity with reliable performance for demanding applications.
Designed to comply with international standards, the S303P-B13 offers precise protection for electrical distribution systems while helping minimise downtime and maintain system safety. Its compact DIN rail mounted design allows straightforward installation within distribution boards and control panels.
Featuring a 13 A rated current, a B curve tripping characteristic and a 25 kA breaking capacity, this miniature circuit breaker is ideal for protecting resistive loads, lighting circuits and other installations where rapid fault protection is required.
Key Advantages
- Compact three-pole miniature circuit breaker for commercial and industrial installations.
- 13 A rated current for dependable circuit protection.
- B curve tripping characteristic for fast response to overloads and short circuits.
- 25 kA breaking capacity for demanding electrical systems.
- DIN rail mounting simplifies installation and maintenance.
- Suitable for residential, commercial and industrial applications.
Key Features
- ABB System pro M compact S300P series.
- 13 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.
- DIN rail mounting with screw terminals.
Reliable Protection for Electrical Installations
The ABB S303P-B13 protects electrical circuits by automatically disconnecting power when overload or short-circuit conditions occur. Its B curve characteristic makes it particularly suitable for installations with low inrush currents, ensuring fast and reliable protection for connected equipment.
Manufactured to ABB's renowned quality standards, the S300P range delivers dependable performance in electrical distribution systems across residential, commercial and industrial environments.
Typical Applications
- Commercial electrical distribution boards.
- Industrial control panels.
- OEM machinery.
- Lighting circuits.
- Building services installations.
- General low voltage electrical protection.