ABB S302P-K20 2-pole miniature circuit breaker with a 20 A rated current, Type K tripping characteristic and 25 kA breaking capacity for industrial circuit protection.
£110.23
The ABB S302P-K20 (Product ID: 2CDS382001R0487) is a premium 2-pole miniature circuit breaker (MCB) designed to provide dependable 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 exceptional reliability, high breaking capacity and long service life for demanding applications.
Featuring a Type K tripping characteristic, the S302P-K20 is specifically engineered for circuits supplying motors, transformers, compressors, solenoids and other inductive loads with elevated starting currents. Its advanced thermal and magnetic protection minimises nuisance tripping while ensuring rapid disconnection during genuine fault conditions.
With a rated current of 20 A, a 2-pole configuration and an impressive 25 kA short-circuit breaking capacity, the ABB S302P-K20 is ideally suited to industrial control panels, OEM machinery, automation systems and electrical distribution applications requiring dependable protection.
The ABB S302P-K20 automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping protect wiring, machinery and connected equipment from costly damage while improving personnel safety and reducing downtime.
Its Type K tripping characteristic is optimised for circuits with elevated inrush currents, making it particularly suitable for industrial motors, transformers, compressors and automation equipment where dependable operation is essential.
| Current | 20 A |
|---|---|
| Manufacturer | ABB |
| Series | System pro M compact S300P |
| Model | S302P-K20 |
| Product ID | 2CDS382001R0487 |
| EAN | 4016779078511 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 20 A |
| Number of poles | 2 |
| Number of protected poles | 2 |
| Tripping characteristic | Type K |
| Rated operational voltage | Up to 415 V AC / 125 V DC |
| Rated insulation voltage | 500 V |
| Rated impulse withstand voltage | 6 kV |
| Ultimate breaking capacity (Icu) | 25 kA at 400/415 V AC |
| Rated breaking capacity (Icn) | 25 kA at 400 V AC |
| Frequency | 50 / 60 Hz |
| Protection rating | IP20 (IP40 when installed in an enclosure) |
| Overvoltage category | IV |
| Pollution degree | 3 |
| Mounting type | DIN rail |
| Terminal type | Screw terminals |
| Dimensions (H × W × D) | 88 × 35 × 69 mm |
| Weight | Approx. 248 g |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The ABB S302P-K20 protects industrial electrical circuits against overloads and short circuits, especially circuits supplying motors, transformers and other inductive loads.
The ABB S302P-K20 has a rated current of 20 A.
Type K breakers are designed to tolerate higher temporary starting currents while still providing rapid protection against overloads and short circuits.
The breaker provides an ultimate short-circuit breaking capacity of up to 25 kA at 400/415 V AC.
The S302P-K20 is designed for installation onto a standard DIN rail within industrial control panels, switchboards and electrical distribution systems.
ABB System pro M compact miniature circuit breakers are trusted worldwide by electrical engineers, OEMs and panel builders for delivering dependable circuit protection, high breaking capacity and long-term operational reliability.
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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...