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MERSEN FUSE H 2409P BCKUP 537-88/80 45DB240V80P-4
Mersen B1008551 Limitor-P high voltage DIN back-up fuse rated 24 kV AC and 80 A for transformer protection in medium voltage electrical distribution systems.
£164.86
Why Choose the Mersen B1008551 High Voltage DIN Back-up Fuse?
The Mersen B1008551 is a premium Limitor®-P high voltage DIN back-up fuse-link engineered to provide dependable protection for transformers and medium voltage electrical distribution systems. Designed in accordance with IEC 60282-1, this fuse-link rapidly interrupts high fault currents, helping safeguard valuable electrical equipment whilst ensuring long-term operational reliability.
Manufactured using pure silver fuse elements, silver-plated copper end caps and a robust ceramic body, the B1008551 delivers excellent current limiting characteristics, high mechanical strength and dependable electrical performance. The integrated 80 N striker enables reliable operation with compatible medium voltage switchgear and protection systems.
With a 24 kV AC voltage rating, 80 A current rating and 88 mm diameter × 537 mm length construction, the Mersen B1008551 is ideally suited for transformer protection in substations, industrial facilities and utility power distribution networks.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- Manufactured in accordance with IEC 60282-1.
- 24 kV AC rated voltage.
- 80 A current rating.
- Integrated 80 N striker for compatible switchgear.
- 25 kA breaking capacity.
- Pure silver fuse elements provide dependable electrical performance.
- High strength ceramic construction for demanding industrial environments.
Key Features
- Manufacturer: Mersen.
- Series: Limitor®-P.
- Part number: B1008551.
- Catalogue number: 45DB240V80P-4.
- Rated voltage: 24 kV AC.
- Rated current: 80 A.
- Fuse dimensions: 88 mm diameter × 537 mm length.
- High voltage DIN back-up fuse for transformer protection.
- Standard 80 N striker.
- Silver-plated copper terminals with ceramic insulating body.
Reliable Protection for Medium Voltage Networks
The Limitor®-P range has been developed to protect transformers against damaging short-circuit currents whilst providing excellent current limiting performance. Premium materials and precision manufacturing ensure dependable operation and long service life in demanding electrical distribution applications.
The B1008551 is suitable for installation in substations, industrial switchgear, renewable energy systems and OEM medium voltage equipment where dependable transformer protection is critical.
Typical Applications
- Medium voltage transformers.
- Industrial switchgear.
- Electrical substations.
- Utility distribution networks.
- Renewable energy installations.
- OEM medium voltage equipment.
Technical Specifications
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| Voltage | 240 V | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | High voltage | |
| Current | 80 A | |
| Manufacturer | Mersen | |
| Series | Limitor®-P | |
| Model | B1008551 | |
| Catalogue number | 45DB240V80P-4 | |
| Product type | High voltage DIN back-up fuse | |
| Application | Transformer protection | |
| Rated voltage | 24 kV AC | |
| Rated current | 80 A | |
| Breaking capacity | 25 kA | |
| Minimum breaking current | 360 A | |
| Clearing I²t | 120 kA²s | |
| Fuse size | 88 mm × 537 mm | |
| Body material | Ceramic | |
| Fuse element | Pure silver | |
| Terminal material | Silver-plated copper | |
| Power dissipation | 185 W | |
| Striker | Standard 80 N | |
| Weight | Approx. 6.7 kg | |
| HS Code | 85351000 |
Frequently Asked Questions
What is the Mersen B1008551 used for?
The B1008551 is a high voltage DIN back-up fuse designed to protect transformers and medium voltage electrical equipment against high short-circuit currents.
What are the electrical ratings?
This fuse is rated for 24 kV AC operation with a 80 A current rating.
Does the fuse include a striker?
Yes. The fuse incorporates a standard 80 N striker for operation with compatible switchgear and protection systems.
What is the breaking capacity?
The B1008551 provides a 25 kA AC breaking capacity with a minimum breaking current of 360 A.
Which standards does this fuse comply with?
The fuse is manufactured in accordance with IEC 60282-1 for high voltage back-up fuse-links.
Trusted for Medium Voltage Protection
Mersen Limitor®-P high voltage fuse-links are trusted worldwide by utilities, switchgear manufacturers and industrial engineers for dependable transformer protection and reliable medium voltage electrical distribution.
