Why Choose the Mersen D082803 FD20GD150V20 High-Speed Fuse?
The Mersen D082803, catalogue number FD20GD150V20, is a high-speed Protistor® cylindrical semiconductor fuse engineered to provide reliable protection for sensitive equipment operating in high-voltage DC applications. Featuring a fast-acting, full-range gR (gRD) operating characteristic, it delivers dependable protection against overloads and short circuits while limiting the energy transferred to valuable electronic components.
Rated at 20 A and 1500 V DC, the D082803 is ideally suited for auxiliary circuits, control systems, measuring equipment and monitoring devices used in industrial power conversion equipment. Its low let-through energy helps protect semiconductor devices while maintaining dependable system operation.
Manufactured in the internationally recognised 20 × 127 mm cylindrical format, the fuse incorporates ferrule terminals for clip mounting. Its high 30 kA DC breaking capacity, ceramic body and silver-plated copper contacts make it suitable for renewable energy systems, battery storage equipment and industrial DC power electronics.
Key Advantages
- Fast-acting full-range gR semiconductor protection.
- 20 A rated current for industrial DC applications.
- 1500 V DC voltage rating.
- 30 kA DC breaking capacity.
- Low I²t reduces stress on semiconductor devices.
- Current-limiting operation improves equipment protection.
- Compact 20 × 127 mm cylindrical format.
- Designed for reliable operation in demanding industrial environments.
Key Features
- Mersen Protistor® high-speed fuse series.
- FD20GD150V20 catalogue reference.
- 20 A rated current.
- 1500 V DC rated voltage.
- gR (gRD) operating characteristic.
- 30 kA maximum DC breaking capacity.
- Cylindrical 20 × 127 mm fuse size.
- Ferrule terminals for clip mounting.
- Ceramic body with silver-plated copper terminals.
- RoHS-compliant construction.
Reliable Protection for High-Voltage DC Circuits
Industrial auxiliary and monitoring circuits require protective devices capable of interrupting fault currents before excessive energy reaches sensitive semiconductor equipment. The Mersen D082803 uses a fast-acting gR characteristic to deliver full-range protection while limiting fault energy and reducing equipment damage.
Its high DC voltage capability, compact cylindrical construction and excellent current-limiting performance make it suitable for converters, renewable energy systems, battery storage equipment and industrial DC power supplies where dependable fault isolation is essential.
Typical Applications
- Industrial DC auxiliary circuits.
- Control and automation systems.
- Measuring and monitoring equipment.
- Power converters.
- Industrial rectifiers.
- Battery energy storage systems.
- Renewable energy power electronics.
- High-voltage DC power supplies.
