Why Choose the ABB S304P-K40 Miniature Circuit Breaker?
The ABB S304P-K40 is a reliable miniature circuit breaker (MCB) designed for effective overcurrent and short-circuit protection in industrial, commercial and electrical distribution systems. As part of the advanced ABB System pro M compact S300P series, it provides dependable circuit protection with a compact modular construction for professional electrical installations.
This circuit breaker features a K tripping characteristic, providing reliable protection for circuits with higher inrush currents while maintaining dependable fault interruption. Its four-pole configuration without switched neutral makes it suitable for three-phase AC applications where robust circuit protection and efficient installation are required.
With a rated current of 40 A and a rated breaking capacity of 25 kA, the ABB S304P-K40 provides dependable protection for electrical distribution systems, machinery and industrial control applications. Its DIN-rail mounting design enables straightforward installation inside electrical distribution boards and control panels.
Key Advantages
- High-performance miniature circuit breaker for industrial and commercial electrical protection.
- 40 A rated current suitable for AC circuit protection applications.
- 25 kA breaking capacity for reliable short-circuit interruption.
- K tripping characteristic suitable for circuits with higher inrush currents.
- 4-pole design without neutral switching for three-phase circuit applications.
- Compatible with ABB System pro M compact modular protection systems.
Key Features
- ABB System pro M compact S300P series.
- 40 A rated current.
- K tripping characteristic.
- 25 kA rated breaking capacity.
- 4-pole configuration (no neutral).
- AC circuit protection.
- DIN-rail mounting design.
- Compact modular format for electrical distribution assemblies.
Reliable Circuit Protection for Industrial Electrical Systems
Miniature circuit breakers such as the ABB S304P-K40 protect electrical installations by automatically disconnecting circuits during overload and short-circuit conditions. This improves operational safety while helping protect connected equipment and electrical infrastructure.
The ABB System pro M compact S300P series is engineered for modern electrical distribution systems where compact dimensions, high breaking capacity and dependable protection are required. Its modular DIN-rail design allows efficient integration into control panels and distribution boards.
Typical Applications
- Industrial control panels and electrical cabinets.
- Automation and control circuits.
- Three-phase machinery and production equipment.
- Commercial electrical distribution boards.
- OEM machine-building applications.
- Industrial installations requiring reliable fault protection.
