Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE 329P CP GLD 36.190 6 36GD32V6P
Mersen K081797 55GD55V20 medium-voltage cylindrical fuse-link rated at 20 A and 5.5 kV AC for industrial electrical protection.
£133.74
Why Choose the Mersen K081797 55GD55V20 Medium-Voltage Fuse?
The Mersen K081797, also identified as 55GD55V20, is a high-performance medium-voltage fuse-link engineered to protect electrical distribution equipment against overloads and short-circuit faults. Rated at 20 A and 5.5 kV AC, it is designed for use in demanding industrial and utility power systems.
As part of Mersen's trusted range of medium-voltage protection products, the K081797 provides rapid fault interruption and current-limiting performance, helping minimise damage to transformers, switchgear, cables and associated equipment during fault conditions.
Manufactured with a cylindrical 55 × 259 mm body, this fuse-link is intended for installation in compatible medium-voltage fuse holders and switchgear assemblies. Its robust construction delivers dependable protection where reliable network operation is essential.
Key Advantages
- Reliable medium-voltage circuit protection for industrial and utility applications.
- 20 A current rating for compatible electrical systems.
- 5.5 kV AC voltage rating for medium-voltage installations.
- Current-limiting design reduces fault energy.
- Helps protect transformers, switchgear and distribution equipment.
- Manufactured by Mersen for dependable long-term performance.
Key Features
- Mersen K081797 medium-voltage fuse-link.
- Alternative designation: 55GD55V20.
- 20 A rated current.
- 5,500 V AC rated voltage.
- Cylindrical 55 × 259 mm construction.
- Current-limiting fuse technology.
- Suitable for compatible medium-voltage fuse holders.
- Designed for industrial electrical protection systems.
Reliable Medium-Voltage Protection
Medium-voltage fuse-links provide fast interruption of excessive fault currents before they can damage valuable electrical equipment. Their current-limiting characteristics reduce thermal and mechanical stresses while improving overall system protection.
The Mersen K081797 should only be installed in compatible equipment by suitably qualified personnel and selected according to the electrical characteristics of the installation.
Typical Applications
- Medium-voltage distribution systems.
- Industrial switchgear.
- Transformer protection.
- Utility infrastructure.
- Electrical substations.
- Replacement fuse-links for compatible Mersen assemblies.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Fuse link | |
|---|---|---|
| Current | 20 A | |
| Voltage | 5500 V | |
| Manufacturer | Mersen | |
| Product reference | K081797 | |
| Catalogue number | 55GD55V20 | |
| Product type | Medium-voltage fuse-link | |
| Rated current | 20 A | |
| Rated voltage | 5.5 kV AC | |
| Fuse dimensions | 55 × 259 mm | |
| Body type | Cylindrical | |
| Operating characteristic | Current limiting | |
| Application | Medium-voltage distribution and equipment protection |
Frequently Asked Questions
What is the Mersen K081797 used for?
It provides medium-voltage overcurrent and short-circuit protection for compatible electrical distribution equipment.
What is the current rating?
The Mersen K081797 has a nominal current rating of 20 A.
What voltage is this fuse rated for?
It is rated for operation at up to 5.5 kV AC.
What are the fuse dimensions?
The fuse has an approximate cylindrical body measuring 55 × 259 mm.
Where is this fuse typically installed?
It is installed in compatible medium-voltage fuse holders and switchgear for industrial and utility electrical protection.
Trusted by Electrical Engineers Worldwide
Mersen medium-voltage fuse-links are trusted worldwide for dependable protection of critical electrical infrastructure, helping maintain system safety and minimise downtime.
