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2CDS382001R0317 ABB S302P-K3 Miniature Circuit Breaker – 2P – K – 3 A
ABB S302P-K3 two-pole 3A K curve miniature circuit breaker with 25 kA breaking capacity for industrial overload and short-circuit protection.
£73.80
Why Choose the ABB S302P-K3 Miniature Circuit Breaker?
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.
Key Advantages
- Compact 2-pole miniature circuit breaker for industrial installations.
- 3 A rated current with K curve tripping characteristic.
- 25 kA short-circuit breaking capacity.
- Designed for motors, transformers and inductive loads.
- Integrated trip indicator for quick fault identification.
- Fast DIN rail installation with dual DIN rail release.
Key Features
- ABB System pro M Compact S300P series.
- 3 A rated current.
- 2-pole (2P) configuration.
- K tripping characteristic.
- 25 kA rated breaking capacity.
- Thermal and electromagnetic trip mechanism.
- Suitable for AC and DC industrial installations.
- Compatible with ABB System pro M Compact accessories.
Reliable Protection for Industrial Electrical Circuits
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.
Typical Applications
- Industrial control panels.
- Motor starter circuits.
- Transformer protection.
- Automation systems.
- OEM machinery.
- Industrial electrical distribution.
Technical Specifications
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| Breaking Capacity | 25 kA | |
|---|---|---|
| Current | 3 A | |
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| 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 |
Frequently Asked Questions
What is the ABB S302P-K3 used for?
It protects industrial electrical circuits against overloads and short circuits, particularly circuits supplying motors, transformers and other inductive equipment.
What is the rated current of the S302P-K3?
The ABB S302P-K3 has a 3 A rated current.
What does the K curve tripping characteristic mean?
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.
What breaking capacity does the S302P-K3 provide?
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.
How is this circuit breaker installed?
The S302P-K3 installs directly onto a standard 35 mm DIN rail inside electrical control panels, switchboards and distribution boards.
Trusted by Electrical Professionals Worldwide
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.
