Why Choose the ABB 2CDS381103R0217 S301P-K1NA Miniature Circuit Breaker?
The ABB 2CDS381103R0217, also known as the S301P-K1NA, is a premium miniature circuit breaker (MCB) engineered to provide dependable protection against overloads and short circuits in demanding industrial electrical installations. Part of the trusted ABB System pro M compact S300P series, it combines exceptional fault-breaking performance with robust construction for long-term reliability.
Featuring a 1 A rated current, a Type K tripping characteristic and a high 25 kA short-circuit breaking capacity, the S301P-K1NA is specifically designed for protecting motors, transformers, solenoids and other inductive loads with high starting currents. The Type K curve allows temporary inrush currents while maintaining rapid protection during genuine fault conditions.
With a 1P+N pole configuration, a 240 V AC rated operational voltage and support for selected 72 V DC applications, the S301P-K1NA provides flexible circuit protection for industrial automation and machinery. Its DIN rail mounting, fail-safe screw terminals and clear contact position indication simplify installation and maintenance.
Key Advantages
- Industrial miniature circuit breaker for overload and short-circuit protection.
- 1 A rated current for low-current industrial control circuits.
- Type K tripping characteristic ideal for motors and inductive loads.
- 25 kA short-circuit breaking capacity.
- 1P+N configuration for phase and neutral switching.
- Reliable protection against high fault currents.
- Compact DIN rail mounted construction.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB System pro M compact S300P series.
- S301P-K1NA miniature circuit breaker.
- 1 A rated current.
- Type K tripping characteristic.
- 25 kA breaking capacity.
- 1P+N pole configuration.
- 240 V AC rated voltage.
- 72 V DC rated voltage.
- Fail-safe screw terminals.
- DIN rail mounting with contact position indication.
Reliable Protection for Motor and Control Circuits
The ABB S301P-K1NA automatically disconnects electrical circuits when overload or short-circuit conditions occur, helping protect wiring, motors and connected industrial equipment from damage. Its thermal and magnetic tripping mechanisms deliver dependable protection while accommodating the higher starting currents typical of inductive loads.
The ABB S300P range is widely used by machine builders, panel manufacturers and industrial maintenance engineers who require high fault-breaking performance, long service life and dependable operation in demanding electrical installations.
Typical Applications
- Industrial motor circuits.
- Control transformers.
- Machine control panels.
- Industrial automation systems.
- Electrical distribution boards.
- OEM machinery.
- Switchgear assemblies.
- Infrastructure installations.
