Why Choose the ABB S302P-K40 Miniature Circuit Breaker?
The ABB S302P-K40 (Product ID: 2CDS382001R0557) 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 combines robust construction, high breaking capacity and reliable long-term performance for demanding industrial environments.
Featuring a Type K tripping characteristic, the S302P-K40 is specifically engineered for circuits supplying motors, transformers, compressors, solenoids and other inductive equipment with high inrush currents. Its optimised thermal and magnetic trip mechanisms reduce nuisance tripping while ensuring rapid disconnection during genuine fault conditions.
With a rated current of 40 A, a 2-pole configuration and an impressive 25 kA ultimate short-circuit breaking capacity, the ABB S302P-K40 is ideally suited to industrial control panels, OEM machinery, automation systems and electrical distribution applications requiring dependable circuit protection.
Key Advantages
- Industrial-grade 2-pole miniature circuit breaker.
- 40 A rated current for demanding industrial circuits.
- Type K tripping characteristic for high inrush current applications.
- 25 kA ultimate short-circuit breaking capacity.
- Compact DIN rail mounting for fast installation and maintenance.
- Manufactured in accordance with IEC, EN, UL and CSA standards.
Key Features
- ABB System pro M compact S300P series.
- 40 A rated current.
- 2-pole protected configuration.
- Type K tripping characteristic.
- Rated operational voltage up to 415 V AC / 125 V DC.
- 25 kA ultimate breaking capacity at 400/415 V AC.
- 50 / 60 Hz operation.
- DIN rail mounting with robust screw terminals.
Reliable Protection for Industrial Electrical Systems
The ABB S302P-K40 automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping to protect wiring, machinery and connected equipment from costly damage while improving personnel safety and minimising downtime.
Its Type K tripping characteristic is optimised for circuits with elevated starting currents, making it particularly suitable for industrial motors, transformers, compressors, pumps, conveyors and automation equipment where dependable operation is essential.
Typical Applications
- Industrial control panels.
- Motor and transformer protection.
- OEM machinery.
- Industrial automation systems.
- Compressors and pump installations.
- Commercial and industrial distribution boards.
