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MERSEN FUSE 559P CP GLJB 36.250 25 559PCPGLJB36.25025
Mersen F078803 medium-voltage current-limiting fuse link, manufacturer designation 559P CP GLJB 36.250 25, designed for transformer and switchgear protection.
£163.75
Why Choose the Mersen F078803 Medium-Voltage Fuse Link?
The Mersen F078803, manufacturer designation 559P CP GLJB 36.250 25, is a high-performance medium-voltage current-limiting fuse link engineered to protect transformers, switchgear and industrial power distribution equipment against damaging short-circuit currents. Manufactured by Mersen, this fuse delivers rapid fault interruption and dependable protection for demanding medium-voltage applications.
Designed using Mersen's proven medium-voltage fuse technology, the F078803 provides excellent current limitation, reducing both thermal and mechanical stress on valuable electrical equipment during fault conditions. Its robust ceramic construction and high breaking capacity make it suitable for industrial, commercial and utility installations where system reliability is essential.
Featuring a 36 × 250 mm cylindrical body and a 25 A current rating, the Mersen F078803 is intended for installation in compatible medium-voltage fuse holders and switch-fuse assemblies used within transformer protection and electrical distribution systems.
Key Advantages
- Reliable medium-voltage current-limiting fuse link.
- 25 A rated current for transformer and switchgear protection.
- Current-limiting design reduces fault energy.
- Robust ceramic construction for demanding environments.
- Compact 36 × 250 mm cylindrical format.
- Manufactured by Mersen for dependable long-term performance.
Key Features
- Mersen medium-voltage fuse technology.
- Manufacturer reference: F078803.
- Manufacturer designation: 559P CP GLJB 36.250 25.
- 25 A rated current.
- High-speed current-limiting fault interruption.
- Cylindrical ceramic fuse-link construction.
- Suitable for compatible medium-voltage fuse holders.
- Designed for industrial power distribution systems.
Reliable Protection for Medium-Voltage Equipment
Medium-voltage current-limiting fuse links rapidly interrupt excessive fault currents before they reach their prospective peak. This reduces the thermal and mechanical stresses imposed on transformers, switchgear and associated electrical equipment while helping improve overall network reliability.
The Mersen F078803 is intended for use within correctly engineered protection systems. Selection should always be based on the installation voltage, fault level, equipment characteristics and the recommendations of the equipment manufacturer.
Typical Applications
- Transformer protection.
- Medium-voltage switchgear.
- Industrial power distribution.
- Utility electrical networks.
- Infrastructure installations.
- Electrical substations.
Technical Specifications
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| Device Type | Fuse link | |
|---|---|---|
| Current | 25 A | |
| Manufacturer | Mersen | |
| Model | F078803 | |
| Manufacturer designation | 559P CP GLJB 36.250 25 | |
| Product type | Medium-voltage current-limiting fuse link | |
| Rated current | 25 A | |
| Fuse dimensions | 36 × 250 mm | |
| Construction | Ceramic cylindrical fuse link | |
| Protection type | Current limiting | |
| Mounting | Compatible medium-voltage fuse holder | |
| Approximate weight | 1.36 kg |
Frequently Asked Questions
What is the Mersen F078803 used for?
The Mersen F078803 provides current-limiting protection for transformers, switchgear and medium-voltage electrical distribution equipment.
What is the current rating of the F078803?
The fuse has a nominal current rating of 25 A.
What size is this fuse link?
The Mersen F078803 features a cylindrical body measuring approximately 36 × 250 mm.
Where can this fuse be installed?
It is designed for installation in compatible medium-voltage fuse holders and switch-fuse assemblies used in power distribution systems.
Can this fuse replace any 25 A medium-voltage fuse?
No. Replacement should always match the original electrical ratings, dimensions, operating characteristics and the equipment manufacturer's specifications.
Trusted by Power Distribution Professionals Worldwide
Mersen medium-voltage fuse links are trusted by utilities, switchgear manufacturers and industrial engineers worldwide to provide dependable current limitation and reliable protection for critical electrical infrastructure.
