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MERSEN FUSE H 3609P BCKUP 537-88/50 45DB360V50PD
Mersen J1000117 Limitor®-PD high voltage DIN back-up fuse rated at 36 kV AC and 50 A for transformer and medium voltage switchgear protection.
£140.78
Why Choose the Mersen J1000117 High Voltage DIN Back-up Fuse?
The Mersen J1000117 is a high performance DIN high voltage back-up fuse designed to provide dependable short-circuit protection for medium voltage transformers and switchgear installations. Manufactured as part of the trusted Mersen Limitor®-PD series, it delivers reliable protection for critical electrical distribution systems operating at up to 36 kV AC.
Designed in accordance with IEC 60282-1 and VDE 0670 T402 standards, the J1000117 offers excellent current limiting performance while helping minimise damage caused by fault currents. Premium materials including pure silver fuse elements, silver-plated copper end caps and a robust ceramic body ensure long service life and dependable operation in demanding environments.
Rated at 50 A with an integrated 80 N thermal striker, this fuse is ideal for transformer protection within utility networks, industrial power distribution systems and medium voltage switchgear where fast and reliable fault interruption is essential.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- 36 kV AC rated voltage for demanding power distribution applications.
- 50 A current rating for reliable overcurrent protection.
- Manufactured to IEC 60282-1 and VDE 0670 T402 standards.
- Integrated 80 N thermal striker for switchgear tripping mechanisms.
- High quality ceramic body with silver fuse elements for long-term reliability.
Key Features
- Mersen Limitor®-PD high voltage DIN back-up fuse.
- Catalogue number: 45DB360V50PD.
- Rated voltage: 36 kV AC.
- Rated current: 50 A.
- Fuse dimensions: 88 mm diameter × 537 mm length.
- Integrated 80 N thermal striker.
- Ceramic body with pure silver fuse elements.
- Suitable for transformer and switchgear protection.
Reliable Protection for Medium Voltage Networks
Medium voltage back-up fuses are designed to interrupt high fault currents rapidly, protecting transformers and associated switchgear from the damaging effects of short circuits. Their current limiting characteristics reduce thermal and mechanical stresses, helping to improve equipment lifespan and network reliability.
The Mersen Limitor®-PD range has been trusted for decades by utilities, panel builders and industrial engineers requiring dependable protection for transformer installations and medium voltage electrical systems.
Typical Applications
- Medium voltage transformer protection.
- Electrical utility distribution networks.
- Industrial power distribution systems.
- Medium voltage switchgear assemblies.
- Substations and electrical infrastructure.
- OEM high voltage equipment.
Technical Specifications
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| Voltage | 360 V | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | High voltage | |
| Current | 50 A | |
| Manufacturer | Mersen | |
| Series | Limitor®-PD | |
| Model | J1000117 | |
| Catalogue number | 45DB360V50PD | |
| Product type | High voltage DIN back-up fuse | |
| Rated voltage | 36 kV AC | |
| Rated current | 50 A | |
| Frequency | 50 / 60 Hz | |
| Fuse size | Ø88 mm × 537 mm | |
| Breaking capacity | 20 kA | |
| Minimum breaking current | 220 A | |
| Cold resistance | 45 mΩ | |
| Power dissipation at rated current | 183 W | |
| Weight | Approx. 6.5 kg | |
| Standards | IEC 60282-1, VDE 0670 T402 | |
| HS Code | 85351000 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen J1000117 used for?
It is designed to provide high voltage back-up protection for transformers and medium voltage switchgear installations.
What voltage is this fuse rated for?
The J1000117 has a rated operating voltage of 36 kV AC.
What is the current rating?
This fuse has a continuous current rating of 50 A.
Does the fuse include a striker?
Yes. It incorporates an integrated 80 N thermal striker for operation with compatible switchgear mechanisms.
Which standards does this fuse comply with?
The fuse is manufactured in accordance with IEC 60282-1 and VDE 0670 T402 for medium voltage back-up fuse applications.
Trusted by Power Distribution Professionals
Mersen Limitor®-PD high voltage fuses are widely specified by utilities, OEMs and electrical engineers for dependable transformer protection, excellent current limiting performance and long-term reliability in medium voltage applications.
