ABB 2CDS381103R0404 S301P-C40NA miniature circuit breaker with a 40 A rating, Type C tripping characteristic, 1P+N configuration and 25 kA breaking capacity for industrial electrical protection.
£87.76
The ABB 2CDS381103R0404, also known as the S301P-C40NA, is a high-performance miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S300P series. Designed for industrial and commercial electrical installations, it provides dependable protection against overloads and short circuits while offering excellent reliability in demanding environments.
Manufactured to meet recognised international standards, this MCB combines ABB's proven engineering with a compact modular design for straightforward installation and long service life. The integrated red ON/green OFF position indicator, fail-safe screw terminals and DIN rail mounting simplify installation, operation and maintenance.
Featuring a 40 A rated current, a Type C tripping characteristic, a 1P+N configuration and a 25 kA breaking capacity to IEC 60947-2, the ABB 2CDS381103R0404 is ideal for protecting power distribution circuits, industrial machinery, control panels and commercial electrical systems.
Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short circuit conditions occur. The Type C tripping curve makes this model suitable for protecting circuits with moderate inrush currents, including motors, lighting systems, power supplies and general industrial equipment.
The ABB S300P series is engineered to deliver dependable protection, high interruption performance and long operational life. Its robust construction and modular format make it an excellent choice for panel builders, OEMs and industrial maintenance engineers.
| Current | 40 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M Compact S300P |
| Model | 2CDS381103R0404 |
| Extended product type | S301P-C40NA |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 40 A |
| Tripping characteristic | Type C |
| Number of poles | 1P+N |
| Protected poles | 1 |
| Rated voltage | 240 V AC |
| Rated insulation voltage | 500 V |
| Rated impulse withstand voltage | 6 kV |
| Breaking capacity | 25 kA (IEC 60947-2) |
| Service breaking capacity | 10 kA |
| Frequency | 50 / 60 Hz |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Terminal type | Screw terminals |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm |
| Weight | approx. 0.248 kg |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
It protects industrial and commercial electrical circuits against overloads and short circuits while disconnecting both the phase and neutral conductors.
The ABB 2CDS381103R0404 has a rated current of 40 A.
Type C circuit breakers are suitable for general-purpose industrial and commercial loads that experience moderate inrush currents, including motors and transformers.
The breaker protects the phase conductor while simultaneously switching the neutral conductor, providing additional isolation when the device operates.
The device is designed for quick installation onto standard DIN rails using secure fail-safe screw terminals.
ABB System pro M Compact S300P miniature circuit breakers are widely trusted by electrical contractors, industrial engineers and OEM machine builders for reliable protection, robust performance and compliance with international electrical standards.
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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...