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MERSEN FUSE H 1209P BCKUP TS VDE442-78/125 45DB120V125PTS3
MPN: S1018318
Alt. SKU: 45DB120V125PTS3
Special Price
£180.20
£150.17
Regular Price
£234.52
Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T402 12kVAC IEC 125A d78mm, L442mm?
Engineered for reliable protection of high-voltage transformers, this 12kVAC DIN back-up fuse (Limitor® VDE T402 standard) delivers rapid fault interruption and outstanding current-limiting characteristics. Rated for 125A with a compact diameter of 78mm and length of 442mm, it is ideal for demanding power distribution applications.
Featuring a robust 80N thermal striker for precise signalisation, this fuse offers low power losses for enhanced energy efficiency. Advanced arc-quenching technology ensures safe operation, while compliance with IEC standards guarantees compatibility and system integrity. Perfect for those seeking dependable protection and reduced downtime in critical systems.
Product Code: S1018318
Key Benefits
- Rapid fault interruption for enhanced transformer protection
- Low power losses at rated current (105 W) improve energy efficiency
- Robust 80N thermal striker provides clear indication of fuse operation
- High breaking capacity of 80 kA ensures safe disconnection under fault conditions
- Ceramic body material offers excellent insulation and durability
- Silver-plated copper terminals ensure reliable electrical connection
- Compliance with IEC and VDE T402 standards guarantees quality and compatibility
Compatibility
This fuse is compatible with high-voltage transformer protection systems designed for 12 kV AC operation. It fits DIN mounting clips and is suitable for use in equipment requiring a 125A fuse rating with a 78mm diameter and 442mm length. Its cylindrical silver-plated copper terminals provide secure connections in standard IEC fuse holders.
Applications
- Protection of high-voltage transformers in power distribution networks
- Industrial electrical installations requiring reliable back-up fuse protection
- Power generation facilities needing IEC-compliant fuse components
- Electrical substations and switchgear assemblies
- Renewable energy systems with high-voltage transformer protection
Technical Specifications
- Item number: S1018318
- Catalogue No: 45DB120V125PTS3
- Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T402 12kVAC IEC 125A d78mm, L442mm With Thermal Striker 80N Low power losses
- EAN/UPC Code: 3605340513271
- Rated voltage AC IEC: 12 kV
- Ampere Rating: 125 A
- AC or DC: AC
- Fuse Size: d=78mm L=442mm
- Mounting: Clip
- Clearing I2t At Rated Voltage: 300 kA²s
- AC Max I.R./Breaking Capacity: I1: 80 kA
- Min Interrupting Rating (MBC): 440 A
- Design Details: VDE T402
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Cylindrical
- Product Diameter: 78 mm
- Product Length: 508 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 5.1 kg
- Sell Pack Width: 95 mm
- Sell Pack Length: 550 mm
- Sell Pack Height: 100 mm
- Product group: High Voltage IEC Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 5.1 kg
- Power Dissipation at Rated Current Value: 105 W
Frequently Asked Questions
What is the primary purpose of this fuse?
This fuse is designed to protect high-voltage transformers by interrupting fault currents quickly and safely, preventing damage to equipment.
Is this fuse suitable for DC applications?
No, this fuse is rated for AC use only, specifically at 12 kV AC as per IEC standards.
How does the thermal striker indication system work?
The 80N thermal striker provides a mechanical indication by triggering a visible signal when the fuse operates, allowing easy identification of blown fuses.
Can this fuse be mounted in standard DIN clip holders?
Yes, the fuse is designed for clip mounting compatible with standard DIN fuse holders.
What standards does this fuse comply with?
It complies with IEC standards and is designed according to VDE T402 specifications for transformer back-up fuses.
Common Search Terms
High voltage fuse, transformer back-up fuse, Limitor VDE T402, 12kV fuse, 125A DIN fuse, IEC high voltage fuse, thermal striker fuse, ceramic body fuse, power distribution fuse, electrical protection fuse
| Manufacturer Part Number | S1018318 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340513271 |
| Height | 508mm |
| Width | 78mm |
| Depth | 78mm |
| HS Code | 85351000 |
| Country of Manufacture | Hungary |
| Manufacturer | Mersen |
| Alternative Product SKU | 45DB120V125PTS3 |
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