Why Choose the Mersen W078794 Medium Voltage Cylindrical Fuse?
The Mersen W078794, also identified by the product reference 36AJB55V75, is a medium voltage cylindrical fuse-link engineered to provide dependable overcurrent and short-circuit protection for public lighting networks, transformers and industrial electrical distribution systems. Featuring a 75 A rated current, a 5.5 kV AC rated voltage and a 36 × 250 mm cylindrical body, it is designed for demanding medium voltage applications.
Manufactured by Mersen, the W078794 is identified by the manufacturer designation 5500 CP ALJB 36.250 75. Its current-limiting fuse element rapidly interrupts overload and short-circuit currents, helping minimise damage to transformers, switchgear, conductors and associated electrical equipment while improving system reliability.
Its robust cylindrical construction enables straightforward installation into compatible medium voltage fuse holders. Designed for long service life in demanding environments, the W078794 is well suited to utility infrastructure, industrial power distribution, railway systems and specialist installations where dependable circuit protection is essential.
Key Advantages
- Medium voltage cylindrical fuse for distribution and public lighting protection.
- 75 A rated current.
- 5.5 kV AC rated voltage.
- 36 × 250 mm standard cylindrical format.
- Current-limiting performance helps reduce equipment damage.
- Suitable for demanding industrial and utility installations.
- Manufactured by Mersen for dependable medium voltage protection.
Key Features
- Manufacturer: Mersen.
- Model: W078794.
- Product reference: 36AJB55V75.
- Manufacturer designation: 5500 CP ALJB 36.250 75.
- Medium voltage cylindrical fuse-link.
- 75 A nominal current rating.
- 5.5 kV AC nominal voltage.
- 36 × 250 mm cylindrical fuse body.
- Designed for installation in compatible medium voltage fuse holders.
Reliable Protection for Medium Voltage Networks
Medium voltage fuse-links disconnect electrical circuits rapidly when overloads or short-circuit faults occur. Their current-limiting characteristics help minimise thermal and mechanical stress on transformers, switchgear and distribution equipment, improving the safety and reliability of electrical systems.
The Mersen W078794 combines a 75 A current rating with a 5.5 kV AC operating voltage, making it particularly suitable for protecting public lighting infrastructure, industrial distribution equipment and transformer installations operating under demanding conditions.
Typical Applications
- Public lighting networks.
- Medium voltage distribution systems.
- Transformer protection.
- Industrial electrical installations.
- Utility infrastructure.
- Railway electrical equipment.
- Power distribution assemblies.
- OEM medium voltage equipment.