ABB S301P-K3 single-pole miniature circuit breaker with a 3 A rating, Type K tripping characteristic and 25 kA breaking capacity for industrial circuit protection.
£58.55
The ABB 2CDS381001R0317, also known as the S301P-K3, is a premium single-pole miniature circuit breaker (MCB) from the ABB System pro M compact S300P series. It is designed to provide dependable protection against overloads and short circuits in industrial electrical installations where motors, transformers, contactors and other inductive loads require a specialised Type K tripping characteristic.
The Type K characteristic is specifically developed for circuits with high inrush currents while still providing rapid short-circuit protection. This makes the S301P-K3 particularly suitable for industrial automation, motor control panels, transformers, solenoid circuits and OEM machinery where nuisance tripping must be minimised.
With a 3 A rated current, compact single-pole construction and a 25 kA rated short-circuit breaking capacity, the ABB 2CDS381001R0317 delivers reliable protection whilst occupying only one DIN module, making it ideal for modern industrial control panels and electrical distribution systems.
The ABB S301P-K3 automatically disconnects electrical circuits during overload and short-circuit conditions. Its thermal release protects against sustained overloads, whilst its magnetic release provides rapid interruption of fault currents, helping to protect motors, transformers, contactors and other inductive equipment.
The Type K tripping characteristic is designed specifically for industrial loads with high starting currents. This allows temporary inrush currents without unnecessary tripping while maintaining dependable protection for industrial machinery and automation systems.
| Current | 3 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M compact S300P |
| Model | S301P-K3 |
| Product ID | 2CDS381001R0317 |
| EAN | 4016779080293 |
| Product type | Miniature circuit breaker |
| Rated current | 3 A |
| Number of poles | 1 |
| Protected poles | 1 |
| Tripping characteristic | Type K |
| Rated operational voltage | 240 V AC / 72 V DC |
| Rated voltage | 240/415 V AC |
| Frequency | 50 / 60 Hz |
| Rated insulation voltage (Ui) | 500 V |
| Rated impulse withstand voltage (Uimp) | 6 kV |
| Ultimate short-circuit breaking capacity (Icu) | 25 kA (100 kA at 240 V AC under UL) |
| Service short-circuit breaking capacity (Ics) | 12.5 kA |
| Protection rating | IP20 (IP40 when installed inside an enclosure) |
| Mounting type | 35 mm DIN rail |
| Dimensions (H × W × D) | Approx. 88 × 17.5 × 67.6 mm |
| Weight | Approx. 0.124 kg |
| Operating temperature | -40 °C to +70 °C |
| 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 electrical circuits against overloads and short circuits, particularly those supplying motors, transformers and other inductive loads.
The ABB S301P-K3 has a rated current of 3 A.
Type K circuit breakers are designed for inductive loads with high inrush currents, making them ideal for motors, transformers, contactors, solenoids and industrial machinery.
The ABB S301P-K3 provides an ultimate short-circuit breaking capacity of up to 25 kA under IEC standards.
Yes. The S301P-K3 is suitable for applications up to 72 V DC, subject to the relevant installation standards.
It mounts directly onto a standard 35 mm DIN rail and features ABB's fail-safe terminals for secure and straightforward installation.
ABB System pro M compact S300P miniature circuit breakers are trusted by electrical engineers, OEM manufacturers and panel builders worldwide for dependable industrial circuit protection, high fault interruption capability and long service life.
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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...