Why Choose the ABB 2CDS383103R0634 S303P-C63NA Miniature Circuit Breaker?
The ABB 2CDS383103R0634, also identified as the S303P-C63NA, is a high-performance miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial electrical installations. As part of the trusted ABB System pro M compact S300P series, it combines exceptional reliability, a high breaking capacity and compliance with international IEC and UL standards for demanding industrial environments.
Featuring a Type C tripping characteristic, this circuit breaker is ideally suited to general-purpose industrial and commercial circuits with moderate inrush currents, including lighting, socket outlets, HVAC equipment, distribution circuits and control panels. Its thermal and magnetic trip mechanisms provide fast and reliable protection against overloads and short circuits.
With a rated current of 63 A, a 3P+N configuration and a rated operational voltage of up to 415 V AC, the S303P-C63NA is ideal for industrial switchboards, machine builders and OEM equipment. Its 25 kA ultimate breaking capacity, compact DIN rail mounting and robust construction make it suitable for demanding electrical installations.
Key Advantages
- Industrial miniature circuit breaker for overload and short-circuit protection.
- 63 A rated current for industrial and commercial power distribution.
- 3P+N pole configuration for three-phase systems with switched neutral.
- Type C tripping characteristic for general-purpose electrical circuits.
- 25 kA ultimate short-circuit breaking capacity.
- Reliable thermal and magnetic protection.
- Bi-directional terminals simplify installation.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB System pro M compact S300P series.
- S303P-C63NA model.
- 63 A rated current.
- 415 V AC rated operational voltage.
- 3P+N pole arrangement.
- Type C tripping characteristic.
- 25 kA ultimate short-circuit breaking capacity.
- 50 / 60 Hz operation.
- 35 mm DIN rail mounting.
- Contact position and trip indication.
Reliable Circuit Protection for Industrial Installations
The ABB S303P-C63NA automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping protect electrical infrastructure, machinery and connected equipment. Its robust industrial construction ensures dependable long-term operation in demanding environments.
Its Type C tripping characteristic is intended for circuits with moderate inrush currents, making it suitable for general industrial distribution, commercial installations, lighting systems, HVAC equipment and electrical control panels.
Typical Applications
- Industrial distribution panels.
- Commercial electrical installations.
- Lighting circuits.
- HVAC systems.
- OEM machinery.
- Factory automation.
- Industrial switchboards.
