Why Choose the ABB S301P-K4NA Miniature Circuit Breaker?
The ABB S301P-K4NA is a compact and reliable miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in electrical installations. As part of the ABB System pro M compact S300P series, it combines a K tripping characteristic with a high 25 kA rated breaking capacity for dependable circuit protection.
The S301P-K4NA features a 1P+N configuration with switched neutral, allowing the live conductor and neutral to be switched as part of the circuit arrangement. Its thermal-magnetic overcurrent protection and compact modular construction make it suitable for professional electrical distribution, control panels and equipment installations.
With a 4 A rated current, K tripping characteristic and 25 kA rated breaking capacity, the S301P-K4NA is designed for selected circuits requiring reliable overcurrent and short-circuit protection. DIN-rail mounting supports straightforward integration into suitable distribution boards and electrical assemblies.
Key Advantages
- Compact 1P+N miniature circuit breaker with switched neutral.
- 4 A rated current for low-current circuit protection applications.
- K tripping characteristic for selected electrical circuits and equipment.
- 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-K4NA 1P+N configuration.
- 4 A rated current.
- K 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-K4NA 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 K tripping characteristic provides a defined trip response for suitable electrical circuits and equipment. This makes the S300P K-characteristic configuration suitable for selected applications where dependable circuit protection is required. The switched neutral arrangement provides switching of both the live circuit path and neutral.
Typical Applications
- Industrial and commercial electrical distribution systems.
- Control circuits and control panels.
- Industrial automation installations.
- Machinery and manufacturing equipment.
- Low-current electrical circuits.
- Switchboards and distribution assemblies.
- OEM machinery and professional electrical installations.
