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MERSEN FUSE H 2409UP BCKUP T442-56/20 45DB240V20PT
MPN: L1000142
Alt. SKU: 45DB240V20PT
Special Price
£79.94
£66.62
Regular Price
£104.06
Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T4 24kVAC IEC 20A d56mm, L442mm With Striker CPD 80N 45DB240V20PT?
This high voltage DIN back-up fuse is engineered for superior protection of transformers within demanding electrical distribution networks. Rated at 24kVAC with a 20A current capacity, it delivers reliable fault interruption and exceptional operational safety in accordance with IEC standards.
Its robust d56mm x L442mm ceramic body ensures high thermal endurance, while the integrated striker (CPD 80N) enables easy indication and remote signalling of fuse operation. Certified to VDE T4, this Limitor® fuse is the ideal choice for critical transformer back-up applications requiring maximum reliability and performance.
Product Code: L1000142
Key Benefits
- High voltage rating of 24 kV ensures reliable protection in medium voltage networks.
- 20A current rating suitable for transformer back-up applications.
- Ceramic body provides excellent thermal and mechanical endurance.
- Integrated striker (CPD 80N) allows clear visual indication and remote signalling of fuse operation.
- Compliant with IEC and VDE T4 standards for safety and performance.
- Silver-plated copper cylindrical terminals ensure secure and low-resistance connections.
- High breaking capacity of 63 kA for effective fault interruption.
Compatibility
This fuse is compatible with transformer protection systems requiring DIN back-up fuses conforming to IEC and VDE T4 standards. It fits installations designed for d56mm diameter and 442mm length fuses with clip mounting, and integrates seamlessly with Limitor® fuse holders and signalling devices.
Applications
- Back-up protection for power transformers in medium voltage distribution networks.
- Industrial electrical installations requiring high voltage fuse protection.
- Electrical substations and switchgear assemblies.
- Renewable energy systems with transformer protection needs.
- Maintenance and replacement in existing IEC-compliant fuse systems.
Technical Specifications
- Item number: L1000142
- Catalogue No: 45DB240V20PT
- Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T4 24kVAC IEC 20A d56mm, L442mm With Striker CPD 80N
- EAN/UPC Code: 3605340453157
- Rated voltage AC IEC: 24 kV
- Ampere Rating: 20 A
- AC or DC: AC
- Fuse Size: d=56mm L=442mm
- Mounting: Clip
- Clearing I2t At Rated Voltage: 3.5 kA²s
- AC Max I.R./Breaking Capacity: I1: 63 kA
- Min Interrupting Rating (MBC): 76 A
- Design Details: VDE T4
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Cylindrical
- Product Diameter: 56 mm
- Product Length: 508 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 2.3 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: 2.3 kg
- Power Dissipation at Rated Current Value: 76 W
Frequently Asked Questions
What is the primary function of this fuse?
This fuse provides back-up protection for transformers by interrupting fault currents in medium voltage electrical distribution networks, ensuring safety and preventing damage.
Is this fuse suitable for DC applications?
No, this fuse is designed specifically for AC applications with a rated voltage of 24 kV AC as per IEC standards.
How does the striker indication system work?
The integrated striker (CPD 80N) provides a mechanical indication when the fuse operates (blows), allowing for quick visual inspection and enabling remote signalling systems to detect fuse status.
What mounting type does this fuse require?
This fuse uses a clip mounting system compatible with standard DIN back-up fuse holders designed for d56mm diameter fuses.
Can this fuse be used in renewable energy installations?
Yes, it is suitable for transformer protection in renewable energy systems that require IEC-compliant high voltage fuses.
Common Search Terms
High voltage fuse, DIN back-up fuse, transformer fuse, Limitor fuse, VDE T4 fuse, 24kV fuse, 20A fuse, IEC fuse, ceramic fuse, striker fuse, medium voltage protection, electrical distribution fuse, silver-plated copper terminal fuse.
| Manufacturer Part Number | L1000142 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340453157 |
| Height | 508mm |
| Width | 56mm |
| Depth | 56mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | 45DB240V20PT |
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