ABB S301P-B20 single-pole miniature circuit breaker with a 20 A rating, Type B tripping characteristic and 25 kA breaking capacity for industrial circuit protection.
£32.17
The ABB 2CDS381001R0164, also known as the S301P-B20, is a premium single-pole miniature circuit breaker (MCB) from the ABB System pro M compact S300P series. Designed for industrial and commercial electrical installations, it provides dependable protection against overloads and short circuits while delivering an exceptionally high breaking capacity for demanding applications.
Manufactured to stringent international standards, the S300P series is trusted by panel builders, OEMs and electrical contractors who require reliable protection, long service life and consistent performance. Its compact DIN rail format enables fast installation within switchboards, distribution boards and industrial control panels.
With a rated current of 20 A, a Type B tripping characteristic and a 25 kA rated short-circuit breaking capacity, the ABB 2CDS381001R0164 is ideal for protecting lighting circuits, distribution systems and general-purpose electrical installations where rapid fault disconnection is essential.
Miniature circuit breakers automatically disconnect electrical circuits when overload or short-circuit conditions occur, helping protect wiring, equipment and connected systems from damage. Resettable operation provides a practical and cost-effective alternative to traditional fuse protection.
The ABB S300P range is widely specified for industrial switchboards, OEM machinery, commercial electrical installations and automation systems where dependable protection and high fault interruption capability are essential.
| Current | 16 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M compact S300P |
| Model | S301P-B20 |
| Product ID | 2CDS381001R0164 |
| Product type | Miniature circuit breaker |
| Rated current | 20 A |
| Number of poles | 1 |
| Protected poles | 1 |
| Tripping characteristic | Type B |
| Rated voltage | 240 V AC |
| Voltage type | AC / DC |
| Frequency | 50 / 60 Hz |
| Rated insulation voltage (Ui) | 500 V |
| Rated impulse withstand voltage (Uimp) | 6 kV |
| Rated short-circuit breaking capacity (Icn/Icu) | 25 kA |
| Protection rating | IP20 (IP40 when installed in an enclosure) |
| Mounting type | DIN rail |
| Dimensions (H × W × D) | Approx. 88 × 17.5 × 67.6 mm |
| Weight | Approx. 0.124 kg |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
It provides overload and short-circuit protection for industrial and commercial electrical circuits.
This miniature circuit breaker has a rated current of 20 A.
The breaker features a Type B tripping characteristic, making it suitable for resistive loads and general-purpose electrical circuits.
The ABB S301P-B20 provides a rated short-circuit breaking capacity of up to 25 kA.
It is designed for installation onto a standard DIN rail inside electrical distribution boards and industrial control panels.
ABB System pro M compact miniature circuit breakers are trusted worldwide by electrical engineers, OEM manufacturers and panel builders for delivering dependable circuit protection, outstanding reliability and long-term performance.
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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...