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MERSEN FUSE H 2409UP BCKUP T442-78/100 45DB240V100PT
MPN: T1000149
Alt. SKU: 45DB240V100PT
Special Price
£162.41
£135.34
Regular Price
£211.38
Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T4 24kVAC IEC 100A d78mm, L442mm With Striker CPD 80N 45DB240V100PT?
Engineered for robust transformer protection, this High Voltage DIN back-up fuse delivers reliable fault interruption at 24kVAC and 100A, conforming to strict VDE and IEC standards for critical HV applications. Its precision 78mm diameter, 442mm length, and high-performance striker ensure secure integration and fast, visible operation.
Ideal for maintaining uptime and safety in demanding environments, this fuse offers consistent performance, rapid isolation of faults, and dependable arc quenching, supporting effective asset protection and operational continuity.
Product Code: T1000149
Key Benefits
- High fault interruption capacity ensuring reliable protection at 24 kV and 100 A ratings.
- VDE T4 design guarantees compliance with international safety and performance standards.
- Clear indication system with striker for rapid fault detection and maintenance.
- Durable ceramic body and silver-plated copper terminals for long service life and excellent conductivity.
- Compact dimensions (78mm diameter, 442mm length) enable easy integration in existing systems.
Compatibility
This fuse is compatible with transformer Limitor® systems requiring VDE T4 rated back-up fuses at 24kVAC. It fits DIN mounting clips and is suitable for use in high voltage IEC fuse assemblies designed for 100 A current ratings and 78mm diameter fuse sizes.
Applications
- Transformer protection in medium and high voltage electrical distribution networks.
- Industrial power systems requiring reliable fault isolation and arc quenching.
- Backup protection for power transformers and associated switchgear.
- Electrical substations and switchboards operating at 24 kV AC.
Technical Specifications
- Item number: T1000149
- Catalogue No: 45DB240V100PT
- Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T4 24kVAC IEC 100A d78mm, L442mm With Striker CPD 80N
- EAN/UPC Code: 3605340453225
- Rated voltage AC IEC: 24 kV
- Ampere Rating: 100 A
- AC or DC: AC
- Fuse Size: d=78mm L=442mm
- Mounting: Clip
- Clearing I2t At Rated Voltage: 125 kA²s
- AC Max I.R./Breaking Capacity: I1: 63 kA
- Min Interrupting Rating (MBC): 430 A
- Design Details: VDE T4
- 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: 3.6 kg
- Sell Pack Width: 65 mm
- Sell Pack Length: 540 mm
- Sell Pack Height: 60 mm
- Product group: High Voltage IEC Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 3.6 kg
- Power Dissipation at Rated Current Value: 400 W
Frequently Asked Questions
What is the rated voltage and current for this fuse?
The fuse is rated for 24 kV AC voltage and 100 A current, suitable for high voltage transformer protection.
Does this fuse include an indication system?
Yes, it features a striker type indication system that provides visible confirmation of fuse operation.
What mounting type does this fuse use?
This fuse is designed for clip mounting, compatible with standard DIN fuse holders.
What materials are used in the fuse construction?
The fuse body is ceramic for high insulation and durability, with silver-plated copper cylindrical terminals for excellent electrical conductivity.
Common Search Terms
High voltage fuse, DIN back-up fuse, transformer fuse, VDE T4 fuse, 24kV fuse, 100A fuse, IEC fuse, striker indication fuse, ceramic body fuse, silver-plated copper terminals fuse.
| Manufacturer Part Number | T1000149 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340453225 |
| Height | 508mm |
| Width | 78mm |
| Depth | 78mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | 45DB240V100PT |
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