Why Choose the Mersen D081492 High Voltage Fuse?
The Mersen D081492, also identified as 55GD55V63, is a high-performance Limitor® medium-voltage fuse-link designed to provide dependable short-circuit protection for transformers, switchgear and public distribution networks. Rated at 5.5 kV AC and 63 A, it offers reliable current-limiting protection for demanding industrial and utility applications.
Engineered using Mersen's proven Limitor® fuse technology, the D081492 rapidly interrupts high fault currents before they can damage valuable electrical equipment. Its current-limiting design helps minimise thermal and mechanical stress, improving equipment longevity while reducing maintenance costs and system downtime.
Featuring a robust 55 × 259 mm cylindrical construction, the fuse is designed for installation in compatible medium-voltage fuse carriers and switch-fuse assemblies. It is widely used in transformer protection, distribution equipment and public lighting installations where dependable protection is essential.
Key Advantages
- Medium-voltage fuse-link rated at 5.5 kV AC.
- 63 A rated current for industrial and utility protection.
- Current-limiting design reduces damaging fault energy.
- Suitable for transformer and switchgear protection.
- Robust ceramic construction for dependable service.
- Manufactured by Mersen, a global leader in electrical protection.
Key Features
- Mersen Limitor® medium-voltage fuse-link.
- Manufacturer Part Number: D081492.
- Alternative reference: 55GD55V63.
- Product designation: 5500 CP GLD 55.259 63.
- Rated voltage: 5.5 kV AC.
- Rated current: 63 A.
- Nominal dimensions: 55 × 259 mm.
- Current-limiting short-circuit protection.
Reliable Protection for Medium-Voltage Systems
Medium-voltage fuse-links provide rapid fault interruption to protect expensive electrical equipment from catastrophic short-circuit events. The Mersen D081492 limits the peak fault current and reduces the energy transmitted through the circuit, helping protect transformers, cables and switchgear from severe damage.
Its proven Limitor® design makes it suitable for public distribution networks, industrial installations and utility infrastructure where dependable protection and long-term reliability are critical. Correct fuse selection should always consider system voltage, fault level, equipment characteristics and protection coordination.
Typical Applications
- Distribution transformer protection.
- Medium-voltage switchgear.
- Public lighting distribution networks.
- Utility substations.
- Industrial power distribution systems.
- Infrastructure electrical installations.
