Why Choose the ABB S304P-K0.75 Miniature Circuit Breaker?
The ABB S304P-K0.75 is a compact 4-pole miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits. As part of the ABB System pro M compact S300P series, it provides reliable circuit protection with a K tripping characteristic for applications where moderate inrush currents and dependable fault protection are required.
The S300P series is engineered for demanding electrical installations, combining high short-circuit breaking capacity with a modular construction suitable for distribution boards, control panels and industrial applications. Its compact design enables efficient installation while maintaining compatibility with the wider System pro M compact accessory range.
With a 0.75 A rated current, 4P configuration and 25 kA rated breaking capacity, the S304P-K0.75 is suitable for AC circuit protection where a K tripping characteristic is required. Its DIN-rail mounting format allows straightforward integration into low-voltage electrical distribution systems.
Key Advantages
- Compact miniature circuit breaker designed for industrial and commercial circuit protection.
- 0.75 A rated current suitable for low-current AC protection applications.
- 4-pole configuration for three-phase and multi-pole circuit protection without neutral switching.
- K tripping characteristic suitable for circuits with moderate starting and inrush currents.
- 25 kA rated breaking capacity for reliable short-circuit protection.
- DIN-rail mounting enables easy installation in electrical distribution assemblies.
Key Features
- ABB System pro M compact S300P series.
- 0.75 A rated current.
- 4P construction without neutral pole.
- K tripping characteristic.
- 25 kA rated breaking capacity.
- AC supply for low-voltage electrical installations.
- Thermal and electromechanical overcurrent protection.
- High short-circuit withstand capability for demanding applications.
- Compact modular design for distribution boards and control panels.
- DIN-rail mounting for simple installation.
- Compatible with ABB System pro M compact accessories.
- Clear trip indication for easier fault identification.
High-Performance Circuit Protection for Electrical Installations
Miniature circuit breakers such as the ABB S304P-K0.75 protect electrical circuits by disconnecting the supply when abnormal current conditions occur. Thermal protection helps prevent damage caused by overloads, while the magnetic release provides rapid response to short-circuit faults.
The S300P series is designed for professional electrical installations requiring reliable protection and high breaking capacity. The K tripping characteristic provides a balance between overload protection and tolerance for equipment with moderate starting currents, making it suitable for a range of industrial applications.
Typical Applications
- Industrial electrical distribution systems.
- Control panels and automation equipment.
- Machine building and OEM installations.
- Three-phase AC circuit protection.
- Low-current control and auxiliary circuits.
- Commercial and industrial switchboards.
