ABB S302P-K3 two-pole 3A K curve miniature circuit breaker with 25 kA breaking capacity for industrial overload and short-circuit protection.
£134.18
The ABB S302P-K3 (SKU: 2CDS382001R0317) is a premium 2-pole miniature circuit breaker (MCB) engineered to provide dependable overload and short-circuit protection for industrial electrical installations. Part of the trusted ABB System pro M Compact S300P series, it is designed for applications requiring high breaking capacity and reliable protection of inductive loads.
The S302P-K3 combines thermal overload protection with rapid electromagnetic short-circuit tripping to safeguard motors, transformers, contactors and industrial control equipment. Its compact modular design allows straightforward installation on standard DIN rails inside switchboards, control panels and distribution boards.
With a 3 A rated current, K tripping characteristic, 2-pole configuration and a 25 kA rated short-circuit breaking capacity, the S302P-K3 is ideally suited to industrial applications where equipment generates higher inrush currents during normal operation.
Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short-circuit conditions occur. The ABB S302P-K3 combines thermal overload protection with rapid magnetic tripping to minimise equipment damage, improve electrical safety and reduce costly downtime.
Its K tripping characteristic is specifically intended for circuits with elevated inrush currents, making it particularly suitable for motors, transformers, solenoids, contactors and other inductive loads while maintaining dependable fault protection.
| Current | 3 A |
|---|---|
| Manufacturer | ABB |
| Series | System pro M Compact S300P |
| Model | S302P-K3 |
| SKU | 2CDS382001R0317 |
| EAN | 4016779078702 |
| Product type | Miniature Circuit Breaker (MCB) |
| Rated current | 3 A |
| Tripping characteristic | K Curve |
| Number of poles | 2 |
| Rated operational voltage | 415 V AC / 125 V DC |
| Maximum UL voltage | 480Y/277 V AC |
| Frequency | 50 / 60 Hz |
| Rated breaking capacity (Icn) | 25 kA |
| Ultimate breaking capacity (Icu) | Up to 100 kA (IEC 60947-2) |
| Rated insulation voltage (Ui) | 500 V |
| Impulse withstand voltage (Uimp) | 6 kV |
| Protection rating | IP20 (IP40 when installed in a suitable enclosure) |
| Mounting type | 35 mm DIN rail |
| Dimensions (H × W × D) | 88 × 35 × 69 mm |
| Weight | Approx. 248 g |
| Applicable standards | 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 circuits supplying motors, transformers and other inductive equipment.
The ABB S302P-K3 has a 3 A rated current.
A K curve breaker is designed to tolerate higher temporary inrush currents while providing fast protection during overload and short-circuit conditions, making it ideal for inductive loads.
The breaker provides a rated short-circuit breaking capacity of 25 kA and an ultimate breaking capacity of up to 100 kA under IEC 60947-2 conditions.
The S302P-K3 installs directly onto a standard 35 mm DIN rail inside electrical control panels, switchboards and distribution boards.
ABB System pro M Compact miniature circuit breakers are trusted worldwide by electrical engineers, panel builders and OEM manufacturers for dependable circuit protection, outstanding interruption performance 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...