ABB S301P-Z1NA miniature circuit breaker with 1 A rated current, Type Z tripping characteristic, 1P+N configuration and 25 kA breaking capacity for sensitive electronic circuit protection.
£122.79
The ABB 2CDS381103R0218, also known as the S301P-Z1NA, is a premium miniature circuit breaker (MCB) designed to provide highly sensitive protection against overloads and short circuits in industrial and commercial electrical installations. As part of the trusted ABB System pro M compact S300P series, it combines exceptional reliability with a high fault-breaking capacity and full compliance with international IEC and UL standards.
Featuring a 1 A rated current, a Type Z tripping characteristic and a 25 kA short-circuit breaking capacity, the S301P-Z1NA is specifically designed to protect highly sensitive electronic equipment, semiconductor devices, PLC systems, instrumentation and control circuits. The Type Z characteristic provides extremely fast magnetic tripping, making it ideal where electronic components require maximum protection from fault currents.
With a 1P+N pole configuration, a 240 V AC rated operational voltage and suitability for selected 72 V DC applications, the S301P-Z1NA offers dependable protection for critical electrical circuits. Its compact DIN rail mounting design, fail-safe screw terminals and integrated trip indication simplify installation and maintenance.
The ABB S301P-Z1NA automatically disconnects electrical circuits during overload and short-circuit conditions, protecting delicate electronic components from damage. Its Type Z tripping characteristic provides extremely rapid magnetic operation, making it ideal for electronic devices that cannot tolerate even brief fault currents.
The ABB S300P range is widely specified by OEMs, panel builders and industrial automation specialists where dependable protection and maximum equipment reliability are essential.
| Current | 1 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M compact S300P |
| Model | S301P-Z1NA |
| Product ID | 2CDS381103R0218 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 1 A |
| Tripping characteristic | Type Z |
| Number of poles | 1P+N |
| Rated AC voltage | 240 V AC |
| Rated DC voltage | 72 V DC |
| Frequency | 50 / 60 Hz |
| Short-circuit breaking capacity | 25 kA |
| Insulation voltage (Ui) | 500 V |
| Impulse withstand voltage (Uimp) | 6 kV |
| Protection rating | IP20 (IP40 when installed in a suitable enclosure) |
| Mounting type | DIN rail mounting |
| Conductor capacity | 0.75 to 35 mm² solid, 0.75 to 25 mm² stranded |
| Operating temperature | -40°C to +70°C |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm |
| Weight | approx. 0.248 kg |
| Country of origin | Germany |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
This miniature circuit breaker protects sensitive electronic circuits against overloads and short circuits in industrial and commercial installations.
The ABB S301P-Z1NA has a rated current of 1 A.
Type Z circuit breakers provide extremely fast magnetic tripping, making them ideal for protecting sensitive electronic equipment and semiconductor devices.
The ABB S301P-Z1NA provides a high 25 kA short-circuit breaking capacity.
The circuit breaker is designed for installation onto a standard DIN rail inside electrical distribution boards and industrial control panels.
ABB System pro M compact S300P miniature circuit breakers are trusted worldwide for delivering reliable overload and short-circuit protection for industrial automation, electronic control systems and critical electrical 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...