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2CDS383001R0204 ABB S303P-C20 Miniature Circuit Breaker – 3P – C – 20 A
ABB S303P-C20 three-pole miniature circuit breaker with a 20 A rated current, C curve tripping characteristic and 25 kA breaking capacity for industrial and commercial electrical protection.
£70.85
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.
Technical Specifications
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| Current | 20 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 25 kA | |
| Manufacturer | ABB | |
| Series | System pro M compact S300P | |
| Model | S303P-C20 | |
| SKU | 2CDS383001R0204 | |
| EAN | 4016779078016 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 20 A | |
| Tripping characteristic | C Curve | |
| Number of poles | 3 | |
| Rated operational voltage | 415 V AC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 25 kA | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm | |
| Weight | approx. 0.372 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S303P-C20 used for?
It protects three-phase electrical circuits against overloads and short circuits in industrial, commercial and OEM applications.
What is the rated current of this circuit breaker?
The ABB S303P-C20 has a 20 A rated current.
What does the C curve tripping characteristic mean?
The C curve is designed for circuits with moderate inrush currents, making it suitable for lighting, socket circuits, pumps and small motors.
What is the short-circuit breaking capacity?
The S303P-C20 provides a 25 kA short-circuit breaking capacity for demanding industrial and commercial electrical installations.
How is the ABB S303P-C20 installed?
The miniature circuit breaker is designed for installation on a standard 35 mm DIN rail inside switchboards, distribution boards and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact miniature circuit breakers are trusted by electricians, panel builders and industrial engineers for delivering reliable circuit protection, excellent electrical performance and long service life.
