ABB S303P-C25 three-pole miniature circuit breaker with a 25 A rated current, C curve tripping characteristic and 25 kA breaking capacity for industrial and commercial electrical protection.
£134.42
The ABB S303P-C25 is a premium three-pole miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in industrial, commercial and OEM electrical installations. As part of the trusted ABB System pro M compact S300P series, it delivers high breaking capacity, dependable operation and long service life for demanding low voltage distribution systems.
Manufactured in accordance with international IEC and UL standards, the S303P-C25 features a compact DIN rail mounted design that enables quick installation within switchboards, distribution boards and industrial control panels. Its robust switching mechanism, fail-safe terminals and front trip indication contribute to safe operation and simplified maintenance.
Featuring a 25 A rated current, a C curve tripping characteristic and a 25 kA breaking capacity, this miniature circuit breaker is ideally suited for protecting mixed resistive and inductive loads including lighting, socket outlets, pumps, compressors and small motors.
The ABB S303P-C25 automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping protect wiring, machinery and connected equipment from electrical damage. Its C curve characteristic makes it suitable for circuits with moderate inrush currents, offering dependable protection while minimising nuisance tripping.
The ABB S300P range is widely specified by electrical contractors, machine builders and panel manufacturers for its dependable performance, excellent fault protection and straightforward integration into modern electrical distribution systems.
| Current | 25 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | System pro M compact S300P |
| Model | S303P-C25 |
| SKU | 2CDS383001R0254 |
| EAN | 4016779077965 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 25 A |
| Tripping characteristic | C Curve |
| Number of poles | 3 |
| Rated operational voltage | 415 V AC |
| Maximum operating voltage | 480Y/277 V AC, 125 V DC |
| Frequency | 50 / 60 Hz |
| Breaking capacity | 25 kA |
| Rated insulation voltage | 500 V |
| Impulse withstand voltage | 6 kV |
| Protection rating | IP20 |
| Mounting type | 35 mm DIN rail |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm |
| Weight | approx. 372 g |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
It protects three-phase electrical circuits against overloads and short circuits in industrial, commercial and OEM electrical installations.
The ABB S303P-C25 has a 25 A rated current.
The C curve is designed for circuits with moderate inrush currents, making it suitable for lighting, socket circuits, pumps, compressors and small motors.
The S303P-C25 provides a 25 kA short-circuit breaking capacity for demanding industrial and commercial electrical installations.
The miniature circuit breaker is designed for installation on a standard 35 mm DIN rail inside switchboards, distribution boards and industrial control panels.
ABB System pro M compact miniature circuit breakers are trusted by electricians, panel builders and industrial engineers for delivering reliable circuit protection, outstanding electrical performance and long service life.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...