ABB S303P-C63 three-pole miniature circuit breaker with a 63 A rated current, Type C tripping characteristic and 25 kA breaking capacity for industrial power distribution and circuit protection.
£173.67
The ABB S303P-C63 (2CDS383001R0634) is a premium three-pole miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in industrial electrical installations. As part of the proven ABB S300P series, it combines high fault-breaking performance with dependable operation, making it ideal for industrial power distribution, machinery and OEM applications.
Manufactured in accordance with international IEC and UL standards, the S303P-C63 features a compact DIN rail design, fail-safe screw terminals and flexible top or bottom supply connections for fast, secure installation inside switchboards and industrial control panels.
With a rated current of 63 A, a Type C tripping characteristic and a rated ultimate short-circuit breaking capacity of 25 kA at 415 V AC, the S303P-C63 is ideal for protecting general industrial circuits, power distribution systems, lighting, cable installations and equipment with moderate inrush currents.
The ABB S303P-C63 automatically disconnects electrical circuits during overload or short-circuit conditions, protecting cables, switchgear and connected equipment while helping minimise downtime and maintenance costs.
Its Type C tripping characteristic makes it particularly suitable for protecting distribution circuits, commercial installations, industrial machinery and electrical systems with moderate starting currents.
| Current | 63 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | S300P |
| Model | S303P-C63 |
| Product ID | 2CDS383001R0634 |
| EAN | 4016779077552 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 63 A |
| Number of poles | 3 |
| Number of protected poles | 3 |
| Tripping characteristic | Type C |
| Rated AC voltage | 415 V AC |
| Maximum AC voltage | 480Y / 277 V AC |
| Rated DC voltage | 125 V DC |
| Rated insulation voltage | 500 V |
| Rated impulse withstand voltage | 6 kV |
| Rated ultimate short-circuit breaking capacity (Icu) | 25 kA at 415 V AC |
| Rated service breaking capacity | 15 kA at 440 V AC |
| Frequency | 50 / 60 Hz |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Dimensions (H × W × D) | 88 × 52.5 × 69 mm |
| Weight | Approx. 0.372 kg |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The S303P-C63 protects three-phase industrial electrical circuits against overloads and short circuits, making it suitable for power distribution, machinery and commercial installations.
The ABB S303P-C63 has a rated current of 63 A.
Type C circuit breakers are designed for general-purpose industrial and commercial circuits with moderate inrush currents, providing dependable protection without unnecessary tripping.
The breaker provides a rated ultimate short-circuit breaking capacity of 25 kA at 415 V AC.
The breaker mounts directly onto a standard DIN rail inside industrial control panels, switchboards and electrical distribution systems.
ABB S300P miniature circuit breakers are trusted by electrical engineers, panel builders and OEM manufacturers for dependable protection, high breaking performance and reliable operation in demanding industrial environments.
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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...