Why Choose the ABB S303P-C20 Miniature Circuit Breaker?
The ABB S303P-C20 is a premium three-pole miniature circuit breaker (MCB) designed to provide dependable 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, reliable performance and long service life for demanding low voltage distribution systems.
Manufactured in accordance with international IEC and UL standards, the S303P-C20 combines robust construction with a compact DIN rail mounted design, making installation quick and straightforward inside switchboards, distribution boards and industrial control panels. Its high-quality operating mechanism ensures consistent protection while reducing maintenance requirements.
Featuring a 20 A rated current, a C curve tripping characteristic and a 25 kA breaking capacity, this miniature circuit breaker is ideally suited for protecting circuits supplying mixed resistive and inductive loads including lighting, socket circuits, pumps, compressors and small motors.
Key Advantages
- Compact three-pole miniature circuit breaker for industrial and commercial applications.
- 20 A rated current suitable for a wide variety of electrical circuits.
- C curve tripping characteristic for mixed resistive and inductive loads.
- 25 kA breaking capacity provides outstanding fault protection.
- Manufactured to international IEC and UL standards.
- Quick DIN rail installation with secure screw terminals.
Key Features
- ABB System pro M compact S300P series.
- 20 A rated current.
- Three protected poles.
- C curve tripping characteristic.
- 415 V AC rated operational voltage.
- 25 kA short-circuit breaking capacity.
- IP20 protection rating.
- 35 mm DIN rail mounting.
Reliable Circuit Protection for Industrial Installations
The ABB S303P-C20 automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping protect wiring, machinery and connected equipment from damage. Its C curve characteristic makes it suitable for circuits with moderate inrush currents, providing dependable protection without unnecessary nuisance tripping.
The S300P range is widely specified by electrical contractors, machine builders and panel manufacturers thanks to its high fault capacity, dependable operation and straightforward integration into modern electrical distribution systems.
Typical Applications
- Industrial control panels.
- Commercial electrical distribution boards.
- OEM machinery.
- Lighting and power distribution circuits.
- Small motors, pumps and compressors.
- General industrial electrical installations.
