Why Choose the ABB 2CDS383103R0165 S303P-B16NA Miniature Circuit Breaker?
The ABB 2CDS383103R0165, also known as the S303P-B16NA, is a premium miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the renowned ABB S300P System pro M compact series, it combines high fault-breaking performance with compact dimensions, making it ideal for demanding power distribution applications.
The breaker features a 3P+N configuration, protecting all three phase conductors while incorporating a switched neutral pole. Its Type B tripping characteristic is designed for circuits with low inrush currents, making it particularly suitable for lighting installations, resistive loads, control circuits and commercial distribution systems.
With a rated current of 16 A, a maximum operating voltage of 415 V AC and a 25 kA breaking capacity, the ABB S303P-B16NA delivers reliable protection for switchboards, distribution boards and industrial control panels. Its DIN rail mounting design enables quick installation while maximising available panel space.
Key Advantages
- Industrial-grade miniature circuit breaker for reliable circuit protection.
- 16 A rated current with Type B tripping characteristic.
- 3P+N configuration for three-phase systems with switched neutral.
- 25 kA short-circuit breaking capacity.
- Compact DIN rail mounting for fast installation.
- Reliable protection against overloads and short circuits.
Key Features
- ABB S300P System pro M compact series.
- 16 A rated operational current.
- Type B tripping characteristic.
- Three protected poles plus switched neutral.
- 25 kA rated breaking capacity.
- Suitable for AC/DC applications.
- Bidirectional supply capability.
- DIN rail mounting for industrial control panels and distribution boards.
Reliable Circuit Protection for Industrial Applications
The ABB S303P-B16NA automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping protect cables, electrical equipment and connected systems while improving operational safety and minimising downtime.
Designed for industrial automation, commercial buildings and OEM equipment, the ABB S300P range provides dependable overload protection, excellent fault-breaking performance and long service life. Its Type B tripping characteristic is particularly suited to lighting circuits and resistive loads where rapid fault clearance is required.
Typical Applications
- Industrial distribution boards.
- Commercial electrical installations.
- Lighting distribution circuits.
- Building services electrical systems.
- Machine control panels.
- OEM machinery and automation equipment.
