Why Choose the ABB S303P-D10 Miniature Circuit Breaker?
The ABB S303P-D10 is a high-quality miniature circuit breaker (MCB) designed for dependable overcurrent protection in industrial, commercial and electrical distribution applications. As part of the advanced ABB System pro M compact S300P series, it provides reliable circuit protection with a compact DIN-rail mounting design for modern electrical installations.
This three-pole circuit breaker features a D tripping characteristic, making it suitable for circuits with high inrush currents from equipment such as motors, transformers and industrial loads. Its robust construction ensures reliable protection against overloads and short circuits in demanding electrical environments.
With a 10 A rated current, 25 kA rated breaking capacity and AC supply capability, the ABB S303P-D10 provides effective protection for three-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.
- 10 A rated current suitable for reliable circuit protection.
- D tripping characteristic designed for circuits with high starting currents.
- Three-pole configuration without neutral for three-phase circuit protection.
- 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.
- S303P-D10 model.
- 3P miniature circuit breaker (no neutral).
- D tripping characteristic.
- 10 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 S303P-D10 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.
- Commercial three-phase distribution systems.
- Automation and machine-building equipment.
- Building electrical installations.
- Power distribution boards.
- Industrial machinery and production systems.
