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S803P-D125 High Performance MCB
ABB S803P-D125 high performance miniature circuit breaker with 125 A rated current, D characteristic, three poles and up to 50 kA breaking capacity for industrial circuit protection.
£281.97
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.
Technical Specifications
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| Breaking Capacity | 50 kA | |
|---|---|---|
| Current | 125 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Manufacturer | ABB | |
| Series | S800P High Performance MCB | |
| Model | S803P-D125 | |
| Product ID | 2CCG001246R0001 | |
| EAN | 7612271517151 | |
| Product type | High Performance Miniature Circuit Breaker | |
| Rated current | 125 A | |
| Number of poles | 3 | |
| Tripping characteristic | D Curve | |
| Rated operational voltage | 690 V AC / 375 V DC | |
| Rated insulation voltage (Ui) | 690 V | |
| Rated impulse withstand voltage (Uimp) | 6 kV | |
| Ultimate short-circuit breaking capacity | 50 kA at 240/415 V AC | |
| Rated short-circuit capacity | 15 kA at 230/400 V AC | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Standards | IEC/EN 60947-2 | |
| Dimensions (H × W × D) | Approx. 95 × 88 × 82.5 mm | |
| Weight | Approx. 0.765 kg |
Frequently Asked Questions
What is the ABB S803P-D125 used for?
The S803P-D125 protects industrial electrical circuits against overloads and short circuits, particularly where high inrush current loads are present.
What is the rated current of the S803P-D125?
The ABB S803P-D125 has a rated current of 125 A.
What does the D tripping characteristic mean?
The D characteristic is designed for circuits supplying equipment with high starting currents, such as motors, transformers and industrial machinery.
How many poles does this circuit breaker have?
The ABB S803P-D125 features a 3-pole configuration for three-phase electrical systems.
How is the S803P-D125 installed?
The breaker is designed for standard DIN rail mounting within industrial switchboards and electrical distribution panels.
Trusted by Electrical Professionals Worldwide
ABB S800P High Performance miniature circuit breakers are trusted worldwide by electrical engineers, panel builders and industrial maintenance teams for delivering exceptional circuit protection, high fault interruption capability and long-term reliability.
