Why Choose the ABB S303P-C50 Miniature Circuit Breaker?
The ABB S303P-C50 (2CDS383001R0504) is a premium three-pole miniature circuit breaker (MCB) engineered to provide dependable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the proven ABB S300P series, it combines robust construction, high breaking capacity and reliable switching performance for demanding applications.
Manufactured in accordance with recognised IEC and UL standards, the S303P-C50 features a compact DIN rail design, fail-safe terminals and flexible top or bottom supply connection, making installation simple within industrial control panels, switchgear assemblies and power distribution systems.
With a rated current of 50 A, a Type C tripping characteristic and a 25 kA rated short-circuit breaking capacity, the S303P-C50 is ideal for protecting three-phase power distribution circuits, commercial installations and general-purpose industrial loads.
Key Advantages
- Industrial-grade three-pole miniature circuit breaker.
- 50 A rated current with Type C tripping characteristics.
- Reliable overload and short-circuit protection.
- 25 kA rated breaking capacity for demanding installations.
- Suitable for general industrial and commercial power circuits.
- Compact DIN rail mounting for straightforward installation.
Key Features
- ABB S300P series.
- 3-pole configuration.
- 50 A rated current.
- Type C tripping characteristic.
- Rated operating voltage up to 415 V AC.
- Rated DC voltage up to 125 V DC.
- 25 kA rated breaking capacity.
- Ultimate short-circuit breaking capacity up to 100 kA.
- Failsafe screw terminals with top or bottom supply connection.
- DIN rail mounting compatible with ABB System pro M Compact accessories.
Reliable Protection for Industrial Power Distribution
The ABB S303P-C50 automatically disconnects electrical circuits during overload or short-circuit conditions, helping protect cables, switchgear and connected equipment while improving system reliability and reducing costly downtime.
Its Type C tripping characteristic makes it particularly suitable for protecting distribution circuits and equipment with moderate inrush currents, including lighting circuits, HVAC systems, commercial installations and industrial machinery.
Typical Applications
- Industrial power distribution.
- Commercial electrical installations.
- Distribution boards and switchgear.
- Control panels.
- HVAC equipment.
- General-purpose industrial machinery.
