Why Choose the Mersen W077851 Medium Voltage Cylindrical Fuse?
The Mersen W077851 is a medium voltage cylindrical fuse-link designed to provide reliable overcurrent and short-circuit protection for public lighting networks, transformer auxiliary circuits and specialist industrial electrical equipment. Featuring a 1 A rated current, a 7.2 kV AC rated voltage and a 20 × 190 mm cylindrical body, it is engineered for demanding medium voltage applications.
Manufactured by Mersen, the W077851 is identified by the manufacturer designation 7200 CP GLF 20.190 1. Its calibrated fuse element rapidly interrupts overload and short-circuit currents, helping minimise damage to transformers, switchgear, conductors and associated electrical equipment.
Its cylindrical construction enables straightforward installation into compatible medium voltage fuse holders. The robust design provides dependable long-term operation in utility infrastructure, industrial power distribution systems, railway applications and specialist installations where reliable protection is essential.
Key Advantages
- Medium voltage cylindrical fuse designed for specialist electrical protection.
- 1 A rated current for auxiliary and low-current circuits.
- 7.2 kV AC rated voltage.
- 20 × 190 mm standard cylindrical format.
- Rapid interruption of overload and short-circuit faults.
- Suitable for industrial, railway and utility installations.
- Manufactured by Mersen for dependable medium voltage protection.
Key Features
- Manufacturer: Mersen.
- Model: W077851.
- Manufacturer designation: 7200 CP GLF 20.190 1.
- Medium voltage cylindrical fuse-link.
- 1 A nominal current rating.
- 7.2 kV AC nominal voltage.
- 20 × 190 mm cylindrical fuse body.
- GLF operating designation.
- Designed for installation in compatible medium voltage fuse holders.
Reliable Protection for Medium Voltage Equipment
Medium voltage fuse-links protect electrical equipment by disconnecting circuits rapidly when excessive current or short-circuit faults occur. Their current-limiting characteristics help reduce thermal and mechanical stress on transformers, switchgear and associated equipment, improving system safety and reliability.
The Mersen W077851 combines a sensitive 1 A current rating with a 7.2 kV AC operating voltage, making it suitable for transformer auxiliary circuits, public lighting infrastructure and other specialist medium voltage applications requiring dependable fault interruption.
Typical Applications
- Medium voltage transformer protection.
- Public lighting networks.
- Industrial electrical installations.
- Auxiliary and signalling circuits.
- Railway electrical infrastructure.
- Medium voltage switchgear.
- Power distribution assemblies.
- OEM medium voltage equipment.
