Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
Why Choose the MERSEN FUSE 12,5 URD 70 ESF 0160 12,5URD70ESF0160?
£79.55
The Mersen B300818 is a premium high-speed semiconductor fuse engineered to provide rapid short-circuit protection for sensitive power electronic equipment. As part of the renowned Mersen Protistor® range, it is designed to safeguard semiconductor devices including IGBTs, thyristors, diodes and rectifiers operating in demanding industrial environments.
Featuring an ultra-fast operating characteristic, the B300818 helps minimise the energy released during fault conditions, reducing the risk of damage to expensive electronic components while improving equipment reliability and reducing maintenance costs. Its robust square body construction delivers dependable performance in high-power industrial applications.
The Mersen B300818 is suitable for industrial drives, converters, inverters, UPS systems, renewable energy equipment and other power conversion systems where reliable semiconductor protection is essential.
High-speed semiconductor fuses are specifically developed to interrupt fault currents before sensitive semiconductor devices can be damaged. Their exceptionally fast response reduces thermal stress and helps maximise the service life of valuable industrial equipment.
The Mersen Protistor® range is widely specified for demanding applications requiring dependable short-circuit protection in industrial automation, renewable energy systems and power conversion equipment.
Tick the specs you need, then view products that match.
| Device Type | Fuse link | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Manufacturer | Mersen | |
| Series | Protistor® | |
| Model | B300818 | |
| Product type | High-speed semiconductor fuse | |
| Fuse construction | Square body | |
| Protection class | Semiconductor protection | |
| Operating characteristic | Ultra-fast | |
| Application | Industrial power electronics | |
| Suitable for | IGBTs, thyristors, diodes and rectifiers | |
| Installation | Equipment-specific fuse mounting | |
| Industry | Industrial automation and power conversion | |
| Brand | Mersen |
The Mersen B300818 is designed to protect sensitive semiconductor devices from damaging short-circuit currents in industrial power electronic equipment.
It is suitable for protecting IGBTs, thyristors, rectifiers, power diodes and other semiconductor devices.
It is commonly installed in industrial drives, converters, inverters, UPS systems and renewable energy equipment.
High-speed semiconductor fuses operate much faster than standard industrial fuses, helping minimise damage to sensitive electronic components during fault conditions.
The B300818 is manufactured by Mersen, a globally recognised supplier of electrical protection and power management solutions.
Mersen Protistor® high-speed semiconductor fuses are trusted worldwide by machine builders, electrical engineers and industrial maintenance professionals to provide reliable protection for critical power electronic equipment.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.