ABB S203P-C63 miniature circuit breaker from the S200P series, a three-pole 63 A C-curve MCB designed for reliable overload and short-circuit protection in commercial and industrial electrical installations.
The ABB S203P-C63 is a high-performance three-pole miniature circuit breaker from the ABB System pro M compact S200P series, designed to provide reliable overload and short-circuit protection in commercial and industrial electrical installations. With a 63 A rated current and C-curve tripping characteristic, it is suitable for general-purpose circuits and loads with moderate inrush currents.
The S200P range is engineered for dependable circuit protection in demanding low voltage systems. Its current-limiting design helps reduce fault energy, protecting downstream equipment and improving overall installation safety. The breaker uses a delayed thermal tripping mechanism for overload protection and an electromechanical tripping mechanism for short-circuit protection.
With a three-pole configuration, DIN rail mounting and high breaking capacity, the S203P-C63 is well suited for distribution boards, control panels and three-phase electrical systems requiring robust and compact protection.
Miniature circuit breakers such as the ABB S203P-C63 help protect electrical circuits by automatically disconnecting supply during overload or short-circuit conditions. The C-curve characteristic makes this breaker suitable for circuits with typical inrush currents, including lighting, socket circuits, small motors and general distribution loads.
The S200P series is widely used in electrical panels and low voltage distribution systems where dependable protection, compact installation and recognised international standards are required. Its modular DIN rail format makes it easy to install alongside other ABB protection and control devices.
| Current | 63 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | System pro M compact S200P |
| Model | S203P-C63 |
| Product ID | 2CDS283001R0634 |
| EAN | 4016779590679 |
| Product type | Miniature circuit breaker |
| Number of poles | 3P |
| Rated current | 63 A |
| Tripping characteristic | C curve |
| Breaking capacity | up to 25 kA at 230 / 400 V AC |
| Rated voltage | 400 V AC |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077, CSA 22.2 No. 235 |
| Mounting type | DIN rail |
| Terminal type | Screw terminal |
| Protection function | Overload and short-circuit protection |
| Application | Three-phase circuit protection |
The ABB S203P-C63 is used to protect three-phase electrical circuits from overloads and short circuits in commercial and industrial installations.
The S203P-C63 has a rated current of 63 A.
The C-curve characteristic is suitable for general-purpose circuits with moderate inrush currents, such as lighting, small motors and standard distribution loads.
The ABB S203P-C63 is a three-pole miniature circuit breaker for three-phase circuit protection.
The breaker is designed for standard DIN rail mounting inside electrical panels and distribution boards.
ABB S200P miniature circuit breakers are widely used by panel builders, electrical contractors and industrial engineers for reliable circuit protection in demanding low voltage installations.
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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...