ABB S301P-C20NA miniature circuit breaker with 20 A rated current, Type C tripping characteristic, 1P+N configuration and 25 kA breaking capacity for industrial electrical protection.
£72.07
The ABB 2CDS381103R0204, also known as the S301P-C20NA, is a premium miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the proven ABB System pro M compact S300P series, it delivers dependable performance, a high breaking capacity and compliance with international IEC and UL standards for demanding applications.
Featuring a 20 A rated current, a Type C tripping characteristic and a 25 kA short-circuit breaking capacity, the S301P-C20NA is ideally suited to protecting motors, transformers, lighting circuits and industrial control equipment with moderate inrush currents. Its robust construction ensures reliable operation even in demanding electrical environments.
With a 1P+N pole configuration, a 240 V AC rated operational voltage and compatibility with selected 72 V DC applications, the S301P-C20NA provides flexible circuit protection. Its compact DIN rail mounting design, fail-safe screw terminals and contact position indicator allow for quick installation and simplified maintenance.
The ABB S301P-C20NA automatically disconnects electrical circuits during overload and short-circuit conditions, helping protect wiring, machinery and connected equipment from costly damage. Its thermal and magnetic tripping mechanisms provide dependable protection while minimising unnecessary interruptions during normal equipment start-up.
Designed for industrial environments, the ABB S300P range combines high fault-breaking performance with compact dimensions and excellent reliability, making it an ideal solution for OEM machinery, control panels and industrial power distribution systems.
| Current | 20 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M compact S300P |
| Model | S301P-C20NA |
| Product ID | 2CDS381103R0204 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 20 A |
| Tripping characteristic | Type C |
| Number of poles | 1P+N |
| Rated AC voltage | 240 V AC |
| Rated DC voltage | 72 V DC |
| Frequency | 50 / 60 Hz |
| Short-circuit breaking capacity | 25 kA |
| Protection rating | IP20 (IP40 when installed in a suitable enclosure) |
| Mounting type | DIN rail mounting |
| Conductor capacity | 0.75 to 35 mm² solid, 0.75 to 25 mm² stranded |
| Electrical endurance | 20,000 operating cycles |
| Insulation voltage (Ui) | 500 V |
| Impulse withstand voltage (Uimp) | 6 kV |
| Operating temperature | -40°C to +70°C |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm |
| Weight | approx. 0.248 kg |
| Country of origin | Germany |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
This miniature circuit breaker protects industrial and commercial electrical circuits against overloads and short circuits.
The ABB S301P-C20NA has a rated current of 20 A.
Type C circuit breakers are designed for circuits with moderate inrush currents, making them suitable for motors, transformers and industrial equipment.
The ABB S301P-C20NA provides a high 25 kA short-circuit breaking capacity.
The circuit breaker is designed for installation onto a standard DIN rail inside electrical distribution boards and industrial control panels.
ABB System pro M compact S300P miniature circuit breakers are trusted worldwide for delivering reliable overload and short-circuit protection in demanding industrial, commercial and infrastructure applications.
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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...