Why Choose the ABB S301P-K3NA Miniature Circuit Breaker?
The ABB S301P-K3NA is a high-performance miniature circuit breaker (MCB) designed for reliable overcurrent protection in industrial, commercial and electrical distribution applications. As part of the advanced ABB System pro M compact S300P series, it provides dependable circuit protection with a compact DIN-rail mounting design for modern electrical installations.
This 1P+N circuit breaker features a K tripping characteristic, providing protection for circuits with moderate inrush currents while ensuring reliable disconnection during overload and short-circuit conditions. Its switched neutral configuration provides additional circuit isolation by disconnecting both phase and neutral conductors when required.
With a 3 A rated current, 25 kA rated breaking capacity and AC supply capability, the ABB S301P-K3NA provides effective protection for single-phase electrical circuits. The DIN-rail mounting format enables quick and secure installation within control panels and distribution boards.
Key Advantages
- Compact miniature circuit breaker designed for industrial and commercial protection.
- 3 A rated current suitable for precise circuit protection requirements.
- K tripping characteristic designed for circuits with higher starting currents.
- 1P+N configuration with switched neutral for enhanced circuit isolation.
- 25 kA rated breaking capacity for dependable fault interruption.
- Simple DIN-rail mounting for efficient electrical panel installation.
Key Features
- ABB System pro M compact S300P series.
- S301P-K3NA model.
- 1P+N miniature circuit breaker with switched neutral.
- K tripping characteristic.
- 3 A rated current.
- 25 kA rated breaking capacity.
- AC supply operation.
- DIN-rail mounting design for electrical distribution systems.
Reliable Circuit Protection for Industrial Electrical Systems
Miniature circuit breakers such as the ABB S301P-K3NA protect electrical circuits by automatically disconnecting power during overload and short-circuit conditions. This helps safeguard wiring, equipment and connected loads while improving the reliability and safety of electrical installations.
The ABB System pro M compact S300P series is designed for professional electrical distribution applications, combining high breaking capacity, compact dimensions and straightforward DIN-rail installation for modern control panels and switchboards.
Typical Applications
- Industrial control panels and electrical cabinets.
- Single-phase electrical distribution systems.
- Automation and machine-building equipment.
- Building electrical installations.
- Power distribution boards.
- Industrial machinery and production systems.
