Why Choose the ABB S803P-D125 High Performance MCB?
The ABB S803P-D125 is a robust three-pole high performance miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in demanding industrial and commercial electrical installations. As part of the trusted ABB S800P series, it delivers outstanding fault interruption capability and reliable protection for high-current applications.
Featuring a D tripping characteristic, the S803P-D125 is specifically suited to circuits with high inrush currents, including motors, transformers and industrial machinery. Its thermal-magnetic protection ensures rapid fault clearance while maintaining reliable operation under normal load conditions.
With a 125 A rated current, three-pole configuration and an ultimate short-circuit breaking capacity of up to 50 kA, the ABB S803P-D125 is ideal for industrial switchboards, machinery, OEM equipment and heavy-duty power distribution systems requiring dependable circuit protection.
Key Advantages
- High performance three-pole miniature circuit breaker for industrial installations.
- 125 A rated current suitable for demanding electrical systems.
- D characteristic trip curve designed for circuits with high inrush currents.
- Ultimate short-circuit breaking capacity of up to 50 kA.
- Thermal-magnetic overload and short-circuit protection.
- DIN rail mounting for fast installation in electrical panels.
Key Features
- ABB S800P High Performance MCB series.
- 125 A rated current.
- 3-pole configuration.
- D tripping characteristic.
- 690 V AC rated voltage.
- Suitable for AC and DC applications.
- IP20 protection rating.
- Compliant with IEC/EN 60947-2.
Reliable Protection for High Inrush Current Applications
The ABB S803P-D125 continuously monitors circuit current and disconnects the supply when overload or short-circuit conditions occur. Its D characteristic allows higher temporary inrush currents during equipment start-up while maintaining dependable fault protection.
Designed for industrial power distribution, motor protection and OEM machinery, the S803P-D125 combines high interrupting capacity with compact dimensions, making it an excellent choice for demanding electrical installations where reliability and safety are essential.
Typical Applications
- Industrial switchboards.
- Motor and transformer protection.
- Manufacturing machinery.
- OEM equipment.
- Power distribution systems.
- Commercial and industrial electrical installations.
