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MERSEN FUSE H 1209P BCKUP VDE292-78/100 C1000249
Mersen C1000249 Limitor-PD high voltage DIN back-up fuse rated 12 kV AC and 100 A for transformer protection.
£115.24
Why Choose the Mersen C1000249 High Voltage DIN Back-up Fuse?
The Mersen C1000249 is a premium Limitor®-PD high voltage DIN back-up fuse-link designed to provide dependable transformer protection within medium voltage electrical distribution systems. Manufactured in accordance with IEC 60282-1 and VDE 0670 T402, this fuse rapidly interrupts high short-circuit currents whilst delivering reliable long-term performance in demanding industrial and utility environments.
Manufactured using pure silver fuse elements, silver-plated copper end caps and a durable ceramic body, the C1000249 provides excellent current limiting performance, low power dissipation and high mechanical strength. Its integrated 80 N striker enables dependable operation with compatible medium voltage switchgear and transformer protection systems.
With a 12 kV AC voltage rating, 100 A current rating and 78 mm diameter × 292 mm length construction, the Mersen C1000249 is ideally suited for protecting transformers installed in substations, industrial facilities and utility distribution networks.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- Manufactured in accordance with IEC 60282-1 and VDE 0670 T402.
- 12 kV AC rated voltage.
- 100 A current rating.
- Integrated 80 N striker for compatible switchgear.
- 63 kA breaking capacity.
- Pure silver fuse elements provide dependable electrical performance.
- Robust ceramic construction for demanding industrial environments.
Key Features
- Manufacturer: Mersen.
- Series: Limitor®-PD.
- Part number: C1000249.
- Catalogue number: 45DB120V100PD.
- Rated voltage: 12 kV AC.
- Rated current: 100 A.
- Fuse dimensions: 78 mm diameter × 292 mm length.
- DIN high voltage back-up fuse for transformer protection.
- Integrated 80 N striker.
- Ceramic body with silver-plated copper terminals.
Reliable Protection for Medium Voltage Networks
The Limitor®-PD range has been developed to provide dependable transformer protection against damaging short-circuit currents whilst maintaining low power dissipation during normal operation. Premium construction materials and precision manufacturing ensure reliable performance and long service life within demanding electrical distribution applications.
The C1000249 is suitable for installation in transformer switchgear, substations, industrial facilities and OEM medium voltage equipment where dependable transformer protection is essential.
Typical Applications
- Medium voltage transformers.
- Industrial switchgear.
- Electrical substations.
- Utility distribution networks.
- Power distribution systems.
- OEM medium voltage equipment.
Technical Specifications
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| Device Type | Fuse link | |
|---|---|---|
| Fuse Type | High voltage | |
| Current | 100 A | |
| Voltage | 12000 V | |
| Manufacturer | Mersen | |
| Series | Limitor®-PD | |
| Model | C1000249 | |
| Catalogue number | 45DB120V100PD | |
| Product type | High voltage DIN back-up fuse | |
| Application | Transformer protection | |
| Rated voltage | 12 kV AC | |
| Rated current | 100 A | |
| Breaking capacity | 63 kA | |
| Minimum breaking current | 400 A | |
| Clearing I²t | 180 kA²s | |
| Cold resistance | 6.7 mΩ | |
| Power dissipation | 96 W | |
| Fuse size | 78 mm × 292 mm | |
| Body material | Ceramic | |
| Fuse element | Pure silver | |
| Terminal material | Silver-plated copper | |
| Striker | Standard 80 N | |
| Weight | Approx. 3.1 kg | |
| HS Code | 85351000 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen C1000249 used for?
The C1000249 is a high voltage DIN back-up fuse designed to protect transformers against damaging short-circuit currents in medium voltage electrical systems.
What are the electrical ratings?
This fuse is rated for 12 kV AC operation with a 100 A current rating.
Does the fuse include a striker?
Yes. The fuse incorporates a standard 80 N striker for operation with compatible transformer switchgear.
What is the breaking capacity?
The C1000249 provides a 63 kA breaking capacity with a minimum breaking current of 400 A.
Which standards does this fuse comply with?
The C1000249 is manufactured in accordance with IEC 60282-1 and VDE 0670 T402.
Trusted for Medium Voltage Protection
Mersen Limitor®-PD high voltage fuse-links are trusted worldwide by utilities, switchgear manufacturers and industrial engineers for dependable transformer protection and reliable medium voltage electrical distribution.
