ABB 2CDS381103R0338 System pro M Compact S300P miniature circuit breaker featuring a 4 A current rating, Type Z tripping characteristic and 100 kA breaking capacity for industrial and commercial electrical protection.
£114.09
The ABB 2CDS381103R0338 is a high performance miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S300P series, designed to provide reliable protection against overloads and short circuits in demanding industrial and commercial electrical installations.
Engineered for applications requiring exceptionally high breaking capacity, this MCB combines dependable circuit protection with ABB's renowned build quality. The integrated trip indicator provides clear visual status indication, while the fail-safe terminal design and dual DIN rail release simplify installation and maintenance.
Featuring a 4 A current rating, Type Z tripping characteristic and an impressive 100 kA breaking capacity, the ABB 2CDS381103R0338 is ideal for protecting highly sensitive circuits, electronic equipment and specialised industrial control systems where rapid fault disconnection is essential.
Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short circuit conditions occur, helping protect equipment, wiring and personnel. Type Z devices provide highly sensitive magnetic tripping characteristics, making them particularly suitable for protecting electronic equipment, instrumentation and control circuits.
The ABB S300P range is designed for installations requiring exceptional fault interruption capability. Combined with ABB's proven engineering and extensive accessory range, it offers dependable performance for industrial automation, power distribution and specialist electrical applications.
| Current | 4 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M Compact S300P |
| Model | 2CDS381103R0338 |
| Product type | Miniature circuit breaker (MCB) |
| Current rating | 4 A |
| Tripping characteristic | Type Z |
| Number of poles | 1 |
| Rated AC voltage | 240 V AC |
| Rated DC voltage | 72 V DC |
| Breaking capacity | 100 kA |
| Mounting type | DIN rail |
| Terminal type | Screw terminals |
| Protection rating | IP20 (IP40 when installed in enclosure) |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
It is used to protect electrical circuits against overloads and short circuits in industrial, commercial and automation applications.
The ABB 2CDS381103R0338 has a 4 A current rating.
Type Z breakers are designed for highly sensitive electrical and electronic equipment, providing rapid magnetic tripping at low fault currents.
The device is designed for straightforward installation onto a standard DIN rail using screw terminal connections.
The breaker offers an exceptionally high 100 kA breaking capacity for demanding electrical installations.
ABB System pro M Compact miniature circuit breakers are trusted worldwide by electrical engineers, panel builders and industrial maintenance professionals for delivering dependable circuit protection, long service life and reliable performance in demanding installations.
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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...