Why Choose the ABB S304P-K20 Miniature Circuit Breaker?
The ABB S304P-K20 is a high-performance miniature circuit breaker (MCB) designed to provide reliable overcurrent protection for industrial and commercial electrical installations. As part of the advanced ABB System pro M compact S300P series, it combines high breaking capacity, dependable protection characteristics and compact DIN-rail mounting for modern low-voltage distribution systems.
This circuit breaker features a K tripping characteristic, providing reliable protection for circuits with higher inrush currents such as motors, transformers and other inductive loads. Its robust construction and high interrupting capacity make it suitable for demanding AC electrical networks where dependable fault protection is essential.
With a rated current of 20 A, a 25 kA rated breaking capacity and a four-pole configuration without neutral, the ABB S304P-K20 is ideal for protecting multi-phase circuits in industrial control panels, automation systems and electrical distribution equipment.
Key Advantages
- High-performance miniature circuit breaker from the ABB System pro M compact S300P series.
- 20 A rated current suitable for industrial and commercial circuit protection.
- 25 kA breaking capacity for reliable fault interruption.
- K tripping characteristic suitable for circuits with higher starting currents.
- Four-pole design without neutral for three-phase circuit protection.
- Compact DIN-rail mounting for efficient installation in electrical panels.
Key Features
- ABB System pro M compact S300P series.
- S304P-K20 model.
- 4P (no neutral) configuration.
- K tripping characteristic.
- 20 A rated current.
- 25 kA rated breaking capacity.
- Suitable for AC applications.
- DIN-rail mounting design for low-voltage distribution systems.
Reliable Circuit Protection for Industrial Systems
Miniature circuit breakers such as the ABB S304P-K20 protect electrical circuits by automatically disconnecting the supply when abnormal current conditions occur. This helps prevent equipment damage and supports safer operation of industrial and commercial electrical installations.
The ABB System pro M compact S300P range is engineered for professional applications requiring dependable protection, high breaking performance and straightforward integration into modern distribution boards and control cabinets.
Typical Applications
- Industrial control panels and automation systems.
- Electrical distribution boards.
- Machine building and manufacturing equipment.
- Motor and transformer protection circuits.
- Commercial electrical installations.
- Low-voltage AC power distribution systems.
