Why Choose the Mersen E075743 CC1551 CP GRB 20.127 0.8 High-Speed Fuse?
The Mersen E075743, catalogue reference CC1551 CP GRB 20.127 0.8, is a Protistor® high-speed cylindrical semiconductor fuse designed to provide ultra-fast protection for sensitive power electronic equipment operating in high-voltage DC systems. Its full-range gR (gRB) operating characteristic delivers dependable protection against overloads and short-circuit faults while minimising let-through energy to valuable semiconductor devices.
Rated at 800 mA and 1500 V DC, the E075743 is ideally suited to auxiliary circuits, measuring equipment, monitoring systems and low-current semiconductor protection within industrial power conversion equipment. Its rapid current-limiting performance helps maximise equipment reliability while reducing damage caused by electrical faults.
Manufactured in the internationally recognised 20 × 127 mm cylindrical format, the fuse features ferrule terminals for installation into compatible fuse holders and offers a 30 kA DC breaking capacity for dependable fault interruption in demanding industrial and renewable energy applications.
Key Advantages
- Fast-acting full-range gR semiconductor protection.
- 800 mA rated current for low-current DC circuits.
- 1500 V DC voltage rating.
- 30 kA DC breaking capacity.
- Low let-through energy protects sensitive semiconductor devices.
- Excellent current-limiting characteristics.
- Compact 20 × 127 mm cylindrical construction.
- Suitable for industrial and renewable energy applications.
Key Features
- Mersen Protistor® high-speed fuse series.
- CC1551 CP GRB 20.127 0.8 catalogue reference.
- 800 mA rated current.
- 1500 V DC rated voltage.
- gR (gRB) operating characteristic.
- 30 kA maximum DC breaking capacity.
- Cylindrical 20 × 127 mm fuse size.
- Ferrule terminals for clip mounting.
- Ceramic body construction.
- Designed for semiconductor protection.
Reliable Protection for High-Voltage DC Electronics
Modern power electronic equipment requires specialist high-speed fuse technology capable of interrupting fault currents before excessive energy reaches semiconductor devices. The Mersen E075743 delivers rapid fault clearance while limiting thermal and mechanical stress on protected equipment, helping maximise service life and system availability.
Its high voltage capability and compact cylindrical construction make it suitable for industrial converters, renewable energy systems, battery storage installations and other demanding DC applications where reliable semiconductor protection is essential.
Typical Applications
- Industrial DC auxiliary circuits.
- Power converters.
- Battery energy storage systems.
- Renewable energy power electronics.
- Industrial rectifiers.
- Control and monitoring equipment.
- Semiconductor protection.
- High-voltage DC power supplies.
