Why Choose the ABB 2CDS381103R0204 S301P-C20NA Miniature Circuit Breaker?
The ABB 2CDS381103R0204, also known as the S301P-C20NA, is a premium miniature circuit breaker (MCB) designed to provide reliable 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 delivers dependable performance, a high breaking capacity and compliance with international IEC and UL standards for demanding applications.
Featuring a 20 A rated current, a Type C tripping characteristic and a 25 kA short-circuit breaking capacity, the S301P-C20NA is ideally suited to protecting motors, transformers, lighting circuits and industrial control equipment with moderate inrush currents. Its robust construction ensures reliable operation even in demanding electrical environments.
With a 1P+N pole configuration, a 240 V AC rated operational voltage and compatibility with selected 72 V DC applications, the S301P-C20NA provides flexible circuit protection. Its compact DIN rail mounting design, fail-safe screw terminals and contact position indicator allow for quick installation and simplified maintenance.
Key Advantages
- High-performance miniature circuit breaker for industrial circuit protection.
- 20 A rated current for power distribution and machinery applications.
- Type C tripping characteristic suitable for moderate inrush current loads.
- 25 kA short-circuit breaking capacity.
- 1P+N configuration for phase and neutral switching.
- Reliable protection against overloads and short circuits.
- Compact DIN rail mounted design saves panel space.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB System pro M compact S300P series.
- S301P-C20NA miniature circuit breaker.
- 20 A rated current.
- Type C tripping curve.
- 25 kA breaking capacity.
- 1P+N pole configuration.
- 240 V AC rated operational voltage.
- 72 V DC rated operational voltage.
- Contact position indication.
- DIN rail mounting with fail-safe screw terminals.
Reliable Circuit Protection for Industrial Installations
The ABB S301P-C20NA automatically disconnects electrical circuits during overload and short-circuit conditions, helping protect wiring, machinery and connected equipment from costly damage. Its thermal and magnetic tripping mechanisms provide dependable protection while minimising unnecessary interruptions during normal equipment start-up.
Designed for industrial environments, the ABB S300P range combines high fault-breaking performance with compact dimensions and excellent reliability, making it an ideal solution for OEM machinery, control panels and industrial power distribution systems.
Typical Applications
- Industrial electrical distribution boards.
- Machine control panels.
- Motor control circuits.
- Commercial electrical installations.
- Industrial automation systems.
- Lighting and power distribution.
- OEM machinery.
- Infrastructure and utility installations.