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MERSEN FUSE H 1209UP BCKUP T VDE292-56/25 W1000266
MPN: W1000266
Alt. SKU: 45DB120V25PTD
Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T402 12kVAC IEC 25A d56mm, L292mm With Thermal Striker 80N 45DB120V25PTD?
This high-voltage DIN back-up fuse is engineered for reliable protection of transformer circuits up to 12kVAC, meeting IEC standards. With a 25A rating and robust d56mm x L292mm dimensions, it offers precise fault current interruption while ensuring compatibility with transformer Limitor® systems.
Featuring an integrated 80N thermal striker, this fuse delivers rapid fault signalling and enhances safety with dependable arc quenching performance. Certified to VDE T402 for quality assurance, it is ideal for demanding industrial applications seeking maximum protection and system reliability.
Product Code: W1000266
Key Benefits
- High reliability with VDE T402 certification ensuring quality and safety.
- Integrated 80N thermal striker for fast and clear fault indication.
- Robust ceramic body providing excellent insulation and durability.
- Silver-plated copper terminals for superior conductivity and corrosion resistance.
- High breaking capacity of 63 kA for effective fault interruption.
- Compact dimensions (d56mm x L292mm) suitable for DIN mounting clips.
Compatibility
This fuse is compatible with transformer Limitor® systems designed for 12kVAC applications and IEC standard fuse holders with DIN mounting clips. Its cylindrical silver-plated copper terminals ensure easy integration with existing electrical installations requiring a 25A fuse rating.
Applications
- Protection of medium voltage transformer circuits.
- Industrial electrical distribution systems.
- High voltage switchgear assemblies.
- Renewable energy transformer protection.
- Critical infrastructure requiring reliable fault interruption.
Technical Specifications
- Item number: W1000266
- Catalogue No: 45DB120V25PTD
- Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T402 12kVAC IEC 25A d56mm, L292mm With Thermal Striker 80N
- EAN/UPC Code: 3605340456578
- Rated voltage AC IEC: 12 kV
- Ampere Rating: 25 A
- AC or DC: AC
- Fuse Size: d=56mm L=292mm
- Mounting: Clip
- Clearing I2t At Rated Voltage: 4.9 kA²s
- AC Max I.R./Breaking Capacity: I1: 63 kA
- Min Interrupting Rating (MBC): 95 A
- Design Details: VDE T402
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Cylindrical
- Product Diameter: 56 mm
- Product Length: 358 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 1.7 kg
- Sell Pack Width: 70 mm
- Sell Pack Length: 370 mm
- Sell Pack Height: 70 mm
- Product group: High Voltage IEC Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.7 kg
- Power Dissipation at Rated Current Value: 29 W
Frequently Asked Questions
What is the primary function of this fuse?
It provides reliable protection by interrupting fault currents in transformer circuits up to 12kVAC, preventing damage to equipment.
Is the fuse suitable for DC applications?
No, this fuse is designed specifically for AC applications as indicated by its AC rating and IEC standards compliance.
How does the thermal striker indication system work?
The integrated thermal striker activates during fault conditions, providing a mechanical indication of fuse operation for quick visual fault detection.
Can this fuse be used in renewable energy systems?
Yes, it is suitable for protecting transformers in renewable energy installations that operate within its voltage and current ratings.
Common Search Terms
High voltage fuse, DIN back-up fuse, transformer protection fuse, 12kV fuse, 25A IEC fuse, thermal striker fuse, VDE T402 certified fuse, industrial electrical fuse, ceramic body fuse, silver-plated copper terminal fuse.
| Manufacturer Part Number | W1000266 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340456578 |
| Height | 358mm |
| Width | 56mm |
| Depth | 56mm |
| HS Code | 85351000 |
| Country of Manufacture | Hungary |
| Manufacturer | Mersen |
| Alternative Product SKU | 45DB120V25PTD |