Why Choose the ABB S301P-K20 Miniature Circuit Breaker?
The ABB S301P-K20 (2CDS381001R0487) is a premium single-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in demanding industrial electrical installations. As part of the proven ABB S300P series, it delivers outstanding reliability, a high breaking capacity and compliance with international IEC and UL standards for industrial applications.
Featuring a K tripping characteristic, the S301P-K20 is specifically engineered for circuits supplying motors, transformers, solenoids and other inductive loads with higher inrush currents. Its thermal and magnetic trip mechanisms minimise nuisance tripping during start-up while providing rapid protection against electrical faults.
With a 20 A rated current, single-pole configuration and DIN rail mounting, this miniature circuit breaker is ideally suited to industrial control panels, OEM machinery, automation equipment and commercial electrical distribution systems requiring dependable circuit protection.
Key Advantages
- Compact single-pole miniature circuit breaker for industrial applications.
- 20 A rated current with K tripping characteristic.
- Designed for motors, transformers and inductive electrical loads.
- Reliable overload and short-circuit protection.
- 25 kA breaking capacity for demanding industrial installations.
- DIN rail mounting enables quick installation and maintenance.
Key Features
- ABB S300P miniature circuit breaker series.
- 20 A rated current.
- K tripping characteristic.
- Single-pole (1P) configuration.
- 240 V AC rated voltage.
- 72 V DC rated voltage.
- 25 kA ultimate short-circuit breaking capacity.
- Thermal overload and magnetic short-circuit protection.
- DIN rail mounting.
- Compact 17.5 mm module width.
Reliable Protection for Industrial Electrical Systems
Miniature circuit breakers automatically disconnect electrical circuits whenever overloads or short circuits occur, helping to protect wiring, motors, machinery and connected equipment from electrical damage. Their resettable design enables systems to be restored quickly once faults have been safely resolved.
The K tripping characteristic is ideal for applications with elevated starting currents, allowing motors, transformers and inductive equipment to operate normally during start-up while maintaining dependable fault protection.
Typical Applications
- Industrial control panels.
- Motor starter circuits.
- Transformers and inductive loads.
- OEM machinery.
- Manufacturing and automation systems.
- Industrial electrical distribution.
