Why Choose the Mersen F086186 Protistor® High-Speed Fuse?
The Mersen F086186, also identified by catalogue number FD20GC100V50T, is a high-speed cylindrical fuse specifically developed for the protection of semiconductor devices and critical DC circuits. Part of the Mersen Protistor® 20 × 127 mm gR range, it delivers fast, full-range overcurrent protection for sensitive industrial power electronic equipment.
This fuse features a gRC operating characteristic engineered to limit the damaging thermal and electrical energy passed to semiconductor components during overload and short-circuit conditions. Its rapid current-limiting performance helps reduce equipment damage, improve system reliability and minimise costly downtime.
With a rated current of 50 A and an IEC voltage rating of 1000 V DC, the F086186 is suitable for auxiliary circuits, control equipment, measuring devices and monitoring systems. Its integrated striker provides a clear indication when the fuse has operated and can support remote status monitoring when used with compatible fuse holders or microswitch accessories.
Key Advantages
- High-speed semiconductor protection fuse for demanding DC applications.
- 50 A rated current for industrial auxiliary and power electronic circuits.
- 1000 V DC IEC voltage rating for high-voltage systems.
- Fast, full-range gR protection class.
- Low let-through energy helps protect sensitive semiconductor devices.
- Integrated striker indication supports rapid fault identification.
Key Features
- Mersen Protistor® high-speed cylindrical fuse range.
- 50 A rated current.
- 1000 V DC rated voltage.
- gR full-range semiconductor protection class.
- gRC fuse characteristic.
- Compact 20 × 127 mm cylindrical construction.
- Integrated striker for operated-fuse indication.
- Designed specifically for industrial DC circuit protection.
Reliable Protection for High-Voltage DC Circuits
High-speed fuses such as the Mersen F086186 are designed to clear damaging electrical faults before excessive energy reaches vulnerable semiconductor devices. Their fast response and low let-through energy provide more effective protection for power electronics than conventional general-purpose industrial fuse-links.
The F086186 provides full-range protection for DC auxiliary circuits, control systems, measuring equipment and monitoring devices. Its compact cylindrical design supports straightforward installation, while the striker mechanism assists maintenance teams by providing clear indication when the fuse has operated.
Typical Applications
- Industrial DC auxiliary circuits.
- Control, measuring and monitoring equipment.
- Power converters and rectifiers.
- Variable speed drives and industrial inverters.
- Battery energy storage equipment.
- Semiconductor and power electronic protection.
