ABB 2CDS381001R0204 S301P-C20 single-pole miniature circuit breaker with a 20 A rating, Type C tripping characteristic and up to 25 kA short-circuit breaking capacity.
£37.07
The ABB 2CDS381001R0204, also known as the S301P-C20, is a high-performance single-pole miniature circuit breaker (MCB) from the ABB System pro M compact S300P series. It is designed to protect industrial and commercial electrical installations against overloads and short circuits while providing the high fault-interruption capability required in demanding applications.
The S301P-C20 combines thermal overload protection with electromagnetic short-circuit protection. Its Type C tripping characteristic accommodates moderate starting currents, making it suitable for circuits supplying equipment such as small motors, transformers, fluorescent lighting and industrial control devices.
With a 20 A rated current, a compact single-pole configuration and a short-circuit breaking capacity of up to 25 kA, the ABB 2CDS381001R0204 provides dependable protection without occupying unnecessary panel space. Tool-free DIN rail mounting, a front-facing trip indicator and compatibility with System pro M compact accessories further simplify installation and maintenance.
The ABB S301P-C20 automatically disconnects the protected circuit when it detects a sustained overload or a high short-circuit current. Its thermal element responds to prolonged overcurrent conditions, while its electromagnetic mechanism provides rapid interruption during short circuits.
A Type C miniature circuit breaker is designed to tolerate higher temporary starting currents than a Type B device. This helps reduce nuisance tripping when energising equipment with moderate inrush currents while maintaining dependable protection for cables, machinery and connected electrical devices.
| Current | 20 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M compact S300P |
| Model | S301P-C20 |
| Product ID | 2CDS381001R0204 |
| EAN | 4016779080408 |
| Product type | Miniature circuit breaker |
| Rated current | 20 A |
| Number of poles | 1 |
| Number of protected poles | 1 |
| Tripping characteristic | Type C |
| Rated voltage | 240 V |
| Voltage type | AC / DC |
| Frequency | 50 / 60 Hz |
| Rated insulation voltage (Ui) | 500 V |
| Rated impulse withstand voltage (Uimp) | 6 kV |
| Rated ultimate short-circuit breaking capacity at 230 V | 25 kA |
| Energy-limiting class | 3 |
| Overvoltage category | IV |
| Pollution degree | 3 |
| Protection rating | IP20; IP40 when installed in a suitable enclosure |
| Terminal type | Screw terminals |
| Mounting type | DIN rail |
| Modular width | 1 module |
| Dimensions (H × W × D) | Approx. 88 × 17.5 × 69 mm |
| Net weight | Approx. 0.12 kg |
| Operating temperature | -40 to +70 °C |
| Applicable standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 and CSA 22.2 No. 235 |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
It protects industrial and commercial electrical circuits against overloads and short circuits, including circuits supplying equipment with moderate starting currents.
The ABB S301P-C20 has a rated current of 20 A.
A Type C characteristic allows the breaker to accommodate moderate temporary inrush currents. It is commonly used with small motors, transformers, lighting systems and industrial control equipment.
The ABB 2CDS381001R0204 provides a rated ultimate short-circuit breaking capacity of up to 25 kA at 230 V under IEC/EN 60947-2 conditions.
It mounts onto a standard DIN rail inside a distribution board, switchboard or industrial control panel and uses screw terminals for conductor connection.
ABB System pro M compact S300P miniature circuit breakers are specified by electrical engineers, OEMs and panel builders for their high breaking capacity, dependable operation, straightforward installation and compliance with internationally recognised standards.
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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...