Why Choose the ABB S301P-B8NA Miniature Circuit Breaker?
The ABB S301P-B8NA is a compact and reliable miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the ABB System pro M compact S300P series, it combines a B tripping characteristic with a high 25 kA rated breaking capacity for demanding circuit protection applications.
The S301P-B8NA features a 1P+N configuration with switched neutral, allowing the live conductor and neutral to be switched as part of the circuit protection arrangement. Its thermal-magnetic overcurrent protection and compact modular construction make it suitable for professional electrical distribution, control panels and equipment installations.
With an 8 A rated current, B tripping characteristic and 25 kA rated breaking capacity, the S301P-B8NA provides reliable protection for circuits with lower starting and inrush currents. DIN-rail mounting supports straightforward integration into suitable distribution boards and electrical assemblies.
Key Advantages
- Compact 1P+N miniature circuit breaker with switched neutral.
- 8 A rated current for circuit protection applications.
- B tripping characteristic suitable for circuits with lower starting and inrush currents.
- 25 kA rated breaking capacity for dependable short-circuit protection.
- Switched neutral arrangement for convenient circuit isolation.
- DIN-rail mounting for convenient installation in distribution and control equipment.
- Designed to protect electrical circuits against overloads and short circuits.
Key Features
- ABB System pro M compact S300P series.
- S301P-B8NA 1P+N configuration.
- 8 A rated current.
- B tripping characteristic.
- 25 kA rated breaking capacity.
- Switched neutral configuration.
- Thermal-magnetic overcurrent protection.
- DIN-rail mounting design.
- Screw terminal connections.
- Suitable for AC supply applications.
- Compact modular construction for electrical distribution equipment.
Reliable Overcurrent Protection with Switched Neutral
The ABB S301P-B8NA combines thermal and magnetic protection to disconnect a circuit when excessive current conditions occur. The thermal mechanism responds to sustained overload conditions, while the magnetic protection provides rapid interruption during short-circuit events.
The B tripping characteristic is intended for circuits where lower levels of starting or inrush current are expected. This makes the S300P B-characteristic range suitable for selected electrical distribution and equipment protection applications where dependable circuit protection is required.
Typical Applications
- Industrial and commercial electrical distribution systems.
- Control circuits and control panels.
- Industrial automation installations.
- Machinery and manufacturing equipment.
- Electrical circuits with lower starting or inrush currents.
- Switchboards and distribution assemblies.
- OEM machinery and professional electrical installations.
