Why Choose the ABB 2CDS381103R0487 S301P-K20NA Miniature Circuit Breaker?
The ABB 2CDS381103R0487, also known as the S301P-K20NA, is a premium miniature circuit breaker (MCB) from the proven ABB System pro M Compact S300P series. Specifically developed for industrial and commercial electrical installations, it delivers dependable protection against overloads and short circuits while maintaining exceptional operational reliability in demanding environments.
Manufactured to recognised IEC, UL and CSA standards, the S301P-K20NA combines ABB's renowned engineering quality with a compact DIN rail-mounted design. Integrated trip indication, fail-safe screw terminals and compatibility with ABB System pro M Compact accessories make installation, maintenance and future system expansion straightforward.
Featuring a 20 A rated current, a Type K tripping characteristic, a 1P+N configuration and a 25 kA breaking capacity, the ABB 2CDS381103R0487 is ideally suited for protecting motors, transformers, solenoids and other inductive loads that generate high inrush currents.
Key Advantages
- Industrial miniature circuit breaker for overload and short-circuit protection.
- 20 A rated current suitable for industrial machinery and power circuits.
- Type K tripping characteristic designed for motors and inductive equipment.
- 1P+N configuration disconnects both phase and neutral conductors.
- 25 kA breaking capacity for demanding industrial installations.
- Compact DIN rail mounting with ABB fail-safe terminal technology.
Key Features
- ABB System pro M Compact S300P series.
- S301P-K20NA model.
- 20 A rated current.
- Type K tripping characteristic.
- 1 protected pole plus switched neutral (1P+N).
- 240 V AC operating voltage.
- 72 V DC operating voltage.
- 25 kA ultimate short-circuit breaking capacity.
- DIN rail mounting with integrated trip indication.
Reliable Protection for Industrial Motor and Control Circuits
Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short-circuit conditions occur. The Type K tripping characteristic is specifically designed for applications with elevated inrush currents, making it ideal for motors, transformers, solenoids and other inductive loads while helping to minimise nuisance tripping.
The ABB S300P range offers exceptional interruption performance, compact dimensions and dependable long-term reliability, making it a preferred solution for industrial automation, machine builders, OEM equipment and commercial electrical distribution systems.
Typical Applications
- Industrial motor circuits.
- Machine building and OEM equipment.
- Industrial control panels.
- Transformer protection.
- Automation systems.
- Power distribution installations.
- Commercial electrical systems.
