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MERSEN FUSE H 2409P BCKUP TS VDE 442-56/20 45DB240V20PTS
MPN: B1032954
Alt. SKU: 45DB240V20PTS
Special Price
£84.97
£70.81
Regular Price
£110.60
Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T402 24kVAC IEC 20A d56mm, L442mm with Thermal Striker?
This industrial-grade back-up fuse is engineered for reliable transformer protection at 24kVAC, featuring a robust thermal striker (80N) for rapid circuit indication and safety response. Compliant with VDE T402 and IEC standards, its 20A rating, 56mm diameter and 442mm length make it ideal for demanding high-voltage applications.
Designed to minimise power losses and ensure operational efficiency, the 45DB240V20PTS model delivers low energy dissipation, while the integrated thermal striker enhances maintenance precision. Trusted for its durability and consistent performance, it is the preferred choice for safeguarding critical transformer assets.
Technical Specifications
- Item number: B1032954
- Catalogue No: 45DB240V20PTS
- Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T402 24kVAC IEC 20A d56mm, L442mm With Thermal Striker 80N Low power losses
- EAN/UPC Code: 3605340537703
- 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: 3900 A²s
- AC Max I.R./Breaking Capacity: I1: 65 kA
- Min Interrupting Rating (MBC): 91 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: 508 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 2.3 kg
- Sell Pack Width: 110 mm
- Sell Pack Length: 550 mm
- Sell Pack Height: 100 mm
- Product group: High Voltage IEC Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 2.3 kg
- Power Dissipation at Rated Current Value: 53 W
Product Code: B1032954
Key Benefits
- High reliability in transformer protection at 24kVAC
- Rapid circuit indication with integrated 80N thermal striker
- Compliance with VDE T402 and IEC standards ensures safety and quality
- Low power dissipation of 53 W for improved efficiency
- Durable ceramic body with silver-plated copper terminals for longevity
- Easy clip mounting for quick installation and maintenance
Compatibility
This fuse is compatible with transformer Limitor® systems designed for 24kVAC applications and IEC standard fuse holders with a 56mm diameter and appropriate length. It is suitable for use in high-voltage industrial electrical installations requiring 20A back-up protection and thermal striker indication.
Applications
- Transformer protection in industrial power distribution
- High-voltage AC electrical circuits requiring back-up fuses
- Electrical substations and switchgear assemblies
- Maintenance and safety systems with thermal indication requirements
- Renewable energy installations involving transformers
Frequently Asked Questions
What is the purpose of the thermal striker in this fuse?
The thermal striker provides a rapid mechanical indication when the fuse operates, allowing quick identification of a blown fuse for maintenance and safety purposes.
Is this fuse suitable for DC applications?
No, this fuse is designed specifically for AC applications at 24kV as per IEC standards.
Can this fuse be mounted in standard IEC fuse holders?
Yes, it is compatible with IEC standard fuse holders designed for 56mm diameter and the specified length.
What is the breaking capacity of this fuse?
The fuse has a maximum breaking capacity of 65 kA at rated voltage, ensuring safe interruption of fault currents.
Common Search Terms
High voltage fuse, transformer back-up fuse, DIN fuse 24kV, thermal striker fuse, VDE T402 fuse, IEC 20A fuse, ceramic body fuse, silver-plated copper terminal fuse, industrial transformer protection fuse.
| Manufacturer Part Number | B1032954 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340537703 |
| Height | 508mm |
| Width | 56mm |
| Depth | 56mm |
| HS Code | 85351000 |
| Country of Manufacture | Hungary |
| Manufacturer | Mersen |
| Alternative Product SKU | 45DB240V20PTS |
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