Why Choose the Mersen B080593 FD20GD150V12 High-Speed Fuse?
The Mersen B080593, catalogue number FD20GD150V12, is a high-speed Protistor® cylindrical fuse link developed specifically for protecting sensitive equipment in high-voltage DC circuits. Its fast-acting, full-range gR characteristic provides effective protection against overloads and short circuits while limiting the fault energy transferred to connected components.
Rated at 12 A and 1500 V DC, the B080593 is designed for demanding auxiliary, control, measuring and monitoring circuits. Its low let-through energy and rapid operation help protect sensitive electronic equipment used within industrial converters, power supplies and high-voltage DC systems.
The fuse uses an internationally recognised 20 × 127 mm cylindrical format with ferrule terminals for installation in compatible fuse clips. A maximum breaking capacity of 30 kA DC, combined with excellent cycling performance and current-limiting operation, supports dependable protection in demanding industrial environments.
Key Advantages
- Fast-acting full-range gR fuse protection.
- 12 A rated current for auxiliary and control circuits.
- 1500 V DC voltage rating for high-voltage applications.
- 30 kA DC breaking capacity for reliable fault interruption.
- Low I²t helps reduce damage to sensitive connected equipment.
- Current-limiting performance reduces peak fault current.
- Excellent electrical and thermal cycling capability.
- International 20 × 127 mm cylindrical format for broad compatibility.
Key Features
- Mersen Protistor® high-speed fuse series.
- FD20GD150V12 catalogue reference.
- 12 A rated current.
- 1500 V DC rated voltage.
- gR full-range operating characteristic.
- gRD design classification.
- 30 kA maximum DC breaking capacity.
- Cylindrical 20 × 127 mm fuse size.
- Ferrule terminals for clip mounting.
- RoHS-compliant construction.
Reliable Protection for High-Voltage DC Circuits
Auxiliary, measuring and control circuits in high-voltage DC systems require protective devices capable of interrupting faults rapidly. Conventional industrial fuse links may allow excessive fault energy to pass before operating, potentially damaging sensitive components and electronic equipment.
The Mersen B080593 provides fast, current-limiting protection across its full operating range. Its low let-through energy, high voltage capability and dependable cycling performance make it suitable for industrial power conversion systems where reliable fault isolation is essential.
Typical Applications
- High-voltage DC auxiliary circuits.
- Industrial control circuits.
- Measuring and monitoring equipment.
- Power conversion systems.
- Industrial rectifier equipment.
- DC power supplies.
- Renewable energy conversion equipment.
- High-voltage DC distribution panels.
