Why Choose the Mersen Q081457 High-Speed Cylindrical Fuse?
The Mersen Q081457 is a high-performance Protistor® cylindrical semiconductor fuse-link developed specifically for reliable protection in high-voltage DC electrical systems. Rated at 16 A and 1500 V DC, it provides fast, full-range protection for auxiliary circuits, control equipment, measuring devices and monitoring systems.
Part of the Mersen 20 × 127 mm gR fuse range, the Q081457 features a gRD design classification engineered to interrupt overloads and short-circuit currents rapidly. Its current-limiting performance helps reduce thermal and electrical stress on sensitive semiconductor components and associated equipment.
The fuse has a robust ceramic cylindrical body, ferrule terminals and a maximum DC breaking capacity of 30 kA. These characteristics make the Mersen Q081457 suitable for industrial automation, renewable energy systems, power conversion equipment and other demanding high-voltage DC applications.
Key Advantages
- Fast-acting gR full-range semiconductor protection.
- 16 A rated current for auxiliary and control circuits.
- 1500 V DC voltage rating for high-voltage installations.
- 30 kA DC breaking capacity for dependable fault interruption.
- Excellent current-limiting performance helps minimise equipment damage.
- Compact 20 × 127 mm cylindrical format.
- Suitable for industrial, renewable energy and power electronics applications.
Key Features
- Mersen Protistor® high-speed cylindrical fuse-link.
- FD20GD150V16 catalogue reference.
- 16 A rated current.
- 1500 V DC rated operating voltage.
- gR operating characteristic.
- gRD design classification.
- 30 kA maximum DC breaking capacity.
- 20 × 127 mm cylindrical fuse size.
- Clip-mounted installation.
- No integrated fuse indication.
- RoHS-compliant construction.
Reliable Protection for High-Voltage DC Circuits
High-speed gR fuse-links interrupt overload and short-circuit currents before damaging thermal energy can reach sensitive semiconductor devices and electrical components. Their rapid operation helps improve system reliability while reducing the risk of costly equipment failure and extended downtime.
The Mersen Q081457 is specially developed for DC applications and is suitable for protecting auxiliary circuits, control equipment, measuring instruments and monitoring devices. Its cylindrical format enables straightforward installation in a compatible 20 × 127 mm fuse holder.
Typical Applications
- Industrial auxiliary circuits.
- Control and monitoring equipment.
- Measuring devices and instrumentation.
- Semiconductor protection circuits.
- Industrial power converters.
- Photovoltaic power systems.
- Battery energy storage systems.
- High-voltage DC distribution equipment.
