We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
MERSEN FUSE H 729P BCKUP 192-56/20 W209296
MPN: W209296
Alt. SKU: 45DB72V20PD
Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T402 7.2kVAC IEC 20A d56mm, L192mm With Striker 80N 45DB72V20PD?
Engineered for reliable protection in high-voltage transformer circuits, this Limitor® VDE T402 back-up fuse supports systems up to 7.2kVAC while delivering precise operation at 20A IEC. Its robust 56mm diameter and 192mm length ensure compatibility with standard DIN fittings.
The integrated 80N striker ensures clear, dependable operation and fault indication, improving safety and maintenance efficiency. Ideal for critical industrial applications, this fuse complies with stringent IEC standards for assured performance and durability.
Technical Specifications
- Item number: W209296
- Catalogue No: 45DB72V20PD
- Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T402 7.2kVAC IEC 20A d56mm, L192mm With Striker 80N
- EAN/UPC Code: 3605340217957
- Rated voltage AC IEC: 7.2 kV
- Ampere Rating: 20 A
- AC or DC: AC
- Fuse Size: d=56mm L=192mm
- Mounting: Clip
- Clearing I2t At Rated Voltage: 3.9 kA²s
- AC Max I.R./Breaking Capacity: I1: 63 kA
- Min Interrupting Rating (MBC): 92 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: 258 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 1.2 kg
- Sell Pack Width: 70 mm
- Sell Pack Length: 370 mm
- Sell Pack Height: 65 mm
- Product group: High Voltage IEC Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.2 kg
- Power Dissipation at Rated Current Value: 14.5 W
Product Code: W209296
Key Benefits
- Reliable protection for high-voltage transformer circuits up to 7.2kVAC.
- Precise 20A IEC rating ensures accurate fault clearing.
- Durable ceramic body with silver-plated copper terminals for enhanced conductivity and longevity.
- Integrated 80N striker provides clear fault indication, improving maintenance efficiency.
- Complies with IEC and VDE T402 standards for assured safety and performance.
- Compact DIN-compatible size for easy installation and replacement.
Compatibility
This back-up fuse is compatible with transformer Limitor® VDE T402 systems and designed for use in industrial high-voltage AC circuits up to 7.2 kV. Its clip mounting and standard dimensions (56mm diameter, 192mm length) ensure seamless integration with existing DIN fuse holders and related electrical equipment.
Applications
- Protection of high-voltage transformers in industrial plants.
- Backup fuse for electrical distribution systems operating at 7.2 kVAC.
- Use in power generation and transmission facilities.
- Industrial machinery requiring reliable overcurrent protection.
- Maintenance and safety upgrades for existing electrical installations.
Frequently Asked Questions
What is the purpose of the striker in this fuse?
The integrated 80N striker acts as a visual indication system that signals when the fuse has operated, allowing for quick identification of faults and facilitating maintenance.
Can this fuse be used in DC circuits?
No, this fuse is designed specifically for AC applications up to 7.2 kV as per IEC standards.
Is this fuse compatible with standard DIN fuse holders?
Yes, the fuse’s dimensions and clip mounting make it compatible with standard DIN fuse holders designed for 56mm diameter fuses.
What is the breaking capacity of this fuse?
The fuse has an AC maximum interrupting rating of 63 kA, ensuring it can safely interrupt high fault currents.
Common Search Terms
High voltage fuse, DIN back-up fuse, transformer fuse, Limitor VDE T402 fuse, 7.2kV fuse, 20A IEC fuse, ceramic fuse, striker fuse, industrial electrical fuse, high interrupting capacity fuse.
| Manufacturer Part Number | W209296 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340217957 |
| Height | 258mm |
| Width | 56mm |
| Depth | 56mm |
| HS Code | 85351000 |
| Country of Manufacture | Hungary |
| Manufacturer | Mersen |
| Alternative Product SKU | 45DB72V20PD |