ABB S303P-C16NA miniature circuit breaker with a 16 A current rating, Type C tripping characteristic, 3P+N configuration and 25 kA breaking capacity for industrial electrical protection.
£136.85
The ABB 2CDS383103R0164, also known as the S303P-C16NA, 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 S300P System pro M compact series, it offers outstanding performance, compact dimensions and dependable circuit protection for demanding power distribution applications.
Featuring a 3P+N configuration, the S303P-C16NA protects all three phase conductors while incorporating a switched neutral pole. Its Type C tripping characteristic makes it ideal for circuits with moderate inrush currents, including motors, pumps, compressors, HVAC equipment, transformers and industrial machinery.
With a rated current of 16 A, an operating voltage of up to 415 V AC and a 25 kA breaking capacity, this ABB miniature circuit breaker delivers dependable protection for industrial switchboards, control panels and commercial electrical distribution systems. Its compact DIN rail mounting design enables fast installation while maximising available panel space.
The ABB S303P-C16NA automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping to protect wiring, machinery and connected electrical equipment from damage while improving operational safety and minimising downtime.
Designed for industrial automation, commercial installations and OEM equipment, the S300P series combines dependable overload protection with high fault-breaking performance. The Type C tripping characteristic is particularly suited to circuits supplying equipment with moderate starting currents.
| Current | 16 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | S300P System pro M compact |
| Model | S303P-C16NA |
| Product ID | 2CDS383103R0164 |
| Product type | Miniature circuit breaker |
| Rated current | 16 A |
| Tripping characteristic | Type C |
| Number of poles | 3P+N |
| Number of protected poles | 3 |
| Rated operating voltage | Up to 415 V AC |
| Voltage type | AC/DC |
| Frequency | 50 / 60 Hz |
| Breaking capacity (Icn) | 25 kA |
| Rated insulation voltage | 500 V |
| Impulse withstand voltage | 6 kV |
| Protection rating | IP20 |
| Mounting type | DIN rail mounting |
| Module width | 4 modules |
| Dimensions (H × W × D) | approx. 88 × 70 × 69 mm |
| Weight | approx. 0.482 kg |
| EAN | 4016779077255 |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
It protects three-phase electrical circuits against overloads and short circuits in industrial and commercial installations.
The ABB S303P-C16NA has a rated operational current of 16 A.
This model features a Type C tripping characteristic, making it suitable for circuits supplying motors, pumps, transformers and other equipment with moderate inrush currents.
The S303P-C16NA provides a rated short-circuit breaking capacity of 25 kA.
It is designed for installation on a standard DIN rail inside electrical distribution boards, switchboards and industrial control panels.
ABB S300P miniature circuit breakers are trusted by electrical engineers, panel builders and OEM manufacturers to provide dependable overload and short-circuit protection for industrial and commercial electrical systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...