Why Choose the ABB 2CDS381103R0257 S301P-K1.6NA Miniature Circuit Breaker?
The ABB 2CDS381103R0257, also known as the S301P-K1.6NA, is a premium miniature circuit breaker (MCB) engineered to deliver dependable overload and short-circuit protection for industrial electrical systems. As part of the proven ABB System pro M compact S300P series, it combines exceptional fault-breaking performance with robust construction for demanding industrial and commercial applications.
Featuring a 1.6 A rated current, a Type K tripping characteristic and a high 25 kA short-circuit breaking capacity, the S301P-K1.6NA is specifically designed for circuits supplying motors, transformers, solenoids and other inductive loads. The Type K characteristic allows higher inrush currents during equipment start-up while providing rapid protection during genuine fault conditions.
With a 1P+N pole configuration, a 240 V AC rated operational voltage and compatibility with selected 72 V DC applications, the S301P-K1.6NA provides flexible protection for industrial automation and machinery. Its DIN rail mounting, fail-safe bi-directional screw terminals and contact position indicator simplify installation and maintenance.
Key Advantages
- High-performance miniature circuit breaker for industrial circuit protection.
- 1.6 A rated current for low-current industrial control circuits.
- Type K tripping characteristic designed for inductive loads.
- 25 kA short-circuit breaking capacity.
- 1P+N configuration switches phase and neutral together.
- Ideal for motor control, transformers and automation equipment.
- Compact DIN rail mounted design.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB System pro M compact S300P series.
- S301P-K1.6NA miniature circuit breaker.
- 1.6 A rated current.
- Type K tripping curve.
- 25 kA breaking capacity.
- 1P+N pole configuration.
- 240 V AC rated operational voltage.
- 72 V DC rated operational voltage.
- Fail-safe bi-directional screw terminals.
- DIN rail mounting with contact position indication.
Reliable Protection for Motor and Control Circuits
The ABB S301P-K1.6NA automatically disconnects electrical circuits when overload or short-circuit conditions occur, helping protect motors, transformers, machine control circuits and industrial equipment from costly damage. Its thermal and magnetic trip mechanisms deliver dependable protection while accommodating the higher starting currents associated with inductive loads.
The ABB S300P range is widely used by machine builders, panel manufacturers and industrial maintenance engineers who require dependable circuit protection, high fault-breaking capacity and long operational life in demanding electrical environments.
Typical Applications
- Industrial motor circuits.
- Control transformers.
- Machine control panels.
- Industrial automation systems.
- Electrical distribution boards.
- OEM machinery.
- Switchgear assemblies.
- Infrastructure installations.
