ABB S302P-K2 two-pole 2 A K curve miniature circuit breaker with 25 kA breaking capacity for industrial overload and short-circuit protection.
£134.18
The ABB S302P-K2 (SKU: 2CDS382001R0277) is a high-performance 2-pole miniature circuit breaker (MCB) designed to protect industrial electrical installations against overloads and short circuits. Part of the ABB System pro M Compact S300P series, it combines a compact modular design with a high fault-interruption capability for demanding control and distribution applications.
The S302P-K2 uses thermal overload protection together with rapid electromagnetic short-circuit tripping. This helps protect cables, motors, transformers, contactors and connected equipment while reducing the risk of damage and unplanned downtime. Its standard DIN rail format supports straightforward integration into control panels, distribution boards and industrial switchgear.
With a 2 A rated current, K tripping characteristic, 2-pole configuration and a 25 kA breaking capacity, the S302P-K2 is particularly suitable for inductive loads that can generate elevated starting currents during normal operation.
Miniature circuit breakers disconnect a circuit automatically when excessive current is detected. The thermal element responds to prolonged overloads, while the electromagnetic mechanism provides rapid interruption during short-circuit conditions. Together, these functions help protect conductors and connected equipment from overheating and severe fault currents.
A K curve circuit breaker is designed to accommodate the temporary inrush currents associated with inductive equipment. This makes the ABB S302P-K2 a practical choice for low-current motor circuits, transformers, solenoids, contactors and industrial control equipment that could cause unwanted operation of a more sensitive breaker.
| Current | 2 A |
|---|---|
| Manufacturer | ABB |
| Series | System pro M Compact S300P |
| Model | S302P-K2 |
| SKU / product ID | 2CDS382001R0277 |
| EAN | 4016779078726 |
| Product type | Miniature Circuit Breaker (MCB) |
| Rated current | 2 A |
| Tripping characteristic | K Curve |
| Number of poles | 2 |
| Rated operational voltage | Up to 415 V AC |
| Rated DC voltage | Up to 125 V DC |
| Rated frequency | 50 / 60 Hz |
| Breaking capacity | 25 kA |
| Protection rating | IP20; up to IP40 when installed in a suitable enclosure |
| Mounting type | 35 mm DIN rail |
| Approximate width | 35 mm |
| Approximate weight | 0.25 kg |
| Compliance | Manufactured to applicable IEC and UL product standards |
| 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-K2 has a rated current of 2 A.
A K curve breaker can tolerate higher temporary starting currents than more sensitive tripping curves, making it suitable for inductive loads such as motors and transformers.
The S302P-K2 provides a high short-circuit breaking capacity of 25 kA for demanding industrial installations.
Yes. The two-pole S302P-K2 is suitable for appropriately designed DC applications at voltages up to 125 V DC, subject to ABB installation requirements.
It mounts on a standard 35 mm DIN rail inside a suitable electrical enclosure, distribution board or industrial control panel.
ABB System pro M Compact miniature circuit breakers are specified by electrical engineers, machine builders and panel manufacturers for dependable protection, high interruption performance and efficient integration into professional electrical systems.
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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...
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...