ABB 2CDS381103R0408 S301P-Z8NA miniature circuit breaker with an 8 A rating, Type Z tripping characteristic, 1P+N configuration and 25 kA breaking capacity for industrial electrical protection.
£100.91
The ABB 2CDS381103R0408, also identified as the S301P-Z8NA, is a premium miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S300P series. Designed for demanding industrial and commercial installations, it provides reliable protection against overloads and short circuits while delivering exceptional performance in sensitive electrical applications.
Manufactured to international IEC and UL standards, this high-performance circuit breaker combines ABB's proven engineering with a compact modular design for straightforward DIN rail installation. Integrated trip indication, fail-safe screw terminals and compatibility with the ABB System pro M Compact accessory range simplify installation, maintenance and future expansion.
With an 8 A rated current, a Type Z tripping characteristic, a 1P+N configuration and a 25 kA breaking capacity, the ABB 2CDS381103R0408 is ideal for protecting sensitive electronic equipment, instrumentation, PLC systems and industrial automation circuits requiring rapid fault disconnection.
Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short circuit conditions occur. The Type Z tripping characteristic provides very rapid magnetic operation, making this breaker particularly suitable for sensitive electronic equipment, PLC systems, instrumentation and semiconductor devices where lower fault current thresholds require fast protection.
The ABB S300P range delivers dependable operation, high fault interruption capability and compliance with international standards, making it an excellent choice for industrial automation, machine building and commercial electrical installations.
| Current | 8 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M Compact S300P |
| Model | 2CDS381103R0408 |
| Extended product type | S301P-Z8NA |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 8 A |
| Tripping characteristic | Type Z |
| Number of poles | 1P+N |
| Protected poles | 1 |
| Rated voltage | 240 V AC |
| Rated DC voltage | 72 V DC |
| Rated insulation voltage | 500 V |
| Rated impulse withstand voltage | 6 kV |
| Breaking capacity (Icu) | 25 kA |
| Service breaking capacity (Ics) | 12.5 kA |
| Frequency | 50 / 60 Hz |
| Protection rating | IP20 (IP40 when installed in a suitable enclosure) |
| Mounting type | DIN rail |
| Terminal type | Screw terminals |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm |
| Weight | approx. 0.248 kg |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
It protects sensitive industrial and commercial electrical circuits against overloads and short circuits, particularly electronic and control equipment.
The ABB 2CDS381103R0408 has a rated current of 8 A.
Type Z circuit breakers provide rapid magnetic tripping at relatively low fault current levels, making them ideal for protecting sensitive electronic equipment and instrumentation.
The breaker protects the phase conductor while simultaneously switching the neutral conductor to provide improved circuit isolation.
The device is designed for simple installation onto a standard DIN rail using secure screw terminal connections.
ABB System pro M Compact S300P miniature circuit breakers are trusted worldwide by electrical engineers, OEMs and panel builders for dependable circuit protection, high interruption capacity and reliable long-term performance in demanding industrial applications.
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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...