Why Choose the MERSEN FUSE A 075 GRB 72 LI 0630 A075GRB72LI0630?
£225.58
The Mersen R302005 is a premium Protistor® high-speed semiconductor fuse designed to provide rapid fault interruption and dependable protection for sensitive power electronic equipment. Engineered for demanding industrial applications, this square body fuse delivers exceptional current limiting performance to protect semiconductor devices from damaging overloads and short circuit faults.
Manufactured using precision silver fuse elements embedded in high-quality silica sand, the R302005 offers excellent thermal stability, low let-through energy (I²t) and reliable operation under demanding electrical conditions. Its robust square body construction with integrated striker indication makes it suitable for modern industrial power conversion systems where equipment reliability is critical.
The Mersen Protistor® range is trusted worldwide by machine builders, OEMs and industrial engineers to protect converters, variable speed drives, UPS systems and other semiconductor-based equipment while helping minimise costly downtime and component damage.
High-speed semiconductor fuses are designed to interrupt high fault currents before they can damage sensitive electronic power components. Their extremely fast operating characteristics help reduce thermal stress, improve equipment reliability and extend the service life of converters, inverters and motor control equipment.
Mersen Protistor® fuses are widely specified across industrial automation, renewable energy, transportation and power conversion applications where dependable semiconductor protection is essential for continuous operation.
| Manufacturer | Mersen |
|---|---|
| Model | R302005 |
| Series | Protistor® High-Speed Fuses |
| Product type | Square body semiconductor fuse |
| Fuse characteristic | High-speed semiconductor protection |
| Body style | Square body |
| Indication | Integrated striker |
| Construction | Silver fuse elements in silica sand |
| Application | Semiconductor and power electronics protection |
| Compliance | RoHS |
The R302005 is designed to protect semiconductor devices and industrial power electronic equipment from overloads and short circuit faults.
It is commonly used in variable speed drives, converters, UPS systems, renewable energy equipment and industrial automation systems.
Yes. The fuse incorporates an integrated striker that can be used with compatible monitoring or signalling accessories.
They rapidly interrupt fault currents, limiting thermal and electrical stress on sensitive semiconductor components and helping prevent expensive equipment damage.
They are widely specified by OEM manufacturers, panel builders and industrial maintenance engineers for protecting critical power conversion equipment.
Mersen Protistor® semiconductor fuses are trusted globally for delivering outstanding current limiting performance and reliable protection of critical power electronic systems used in demanding industrial environments.
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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...