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MERSEN FUSE H 1209P BCKUP 292-88/250 45DB120V250P
MPN: Y1014919
Alt. SKU: 45DB120V250P
Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T4 12kVAC IEC 250A d88mm, L292mm With Striker Standard 80N 45DB120V250P?
This high voltage back-up fuse is engineered for reliable transformer protection in demanding industrial applications, featuring a robust 12kVAC rating and 250A current capacity. Certified to IEC standards and VDE T4 approved, it provides consistent, high-performance fault interruption and overcurrent protection.
Its 88mm diameter and 292mm length suit standard DIN installations, while the integrated striker (80N) enables remote indication of fuse operation. The advanced construction and precise triggering ensure minimal downtime and optimal system safety for critical power distribution networks.
Product Code: Y1014919
Key Benefits
- High voltage rating of 12 kV ensures robust protection in industrial power systems.
- 250A ampere rating suitable for a wide range of transformer applications.
- VDE T4 design guarantees compliance with stringent safety standards.
- Integrated striker (80N) provides reliable remote indication of fuse operation.
- Ceramic body material offers excellent insulation and durability.
- Silver-plated copper terminals ensure superior electrical conductivity and corrosion resistance.
- Compact dimensions (88mm diameter, 292mm length) fit standard DIN mounting clips.
- High breaking capacity (63 kA) for effective fault interruption.
Compatibility
This fuse is compatible with transformer protection systems requiring DIN standard back-up fuses rated at 12kVAC and 250A. It fits installations designed for cylindrical silver-plated copper terminals and is suitable for use with standard DIN mounting clips. The fuse is ideal for systems adhering to IEC and VDE T4 standards.
Applications
- Transformer protection in industrial and commercial power distribution networks.
- Backup protection for high voltage electrical equipment.
- Overcurrent and fault interruption in medium voltage switchgear.
- Power system safety in manufacturing plants and utility substations.
- Critical infrastructure requiring reliable fuse indication and fast fault clearance.
Technical Specifications
- Item number: Y1014919
- Catalogue No: 45DB120V250P
- Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T4 12kVAC IEC 250A d88mm, L292mm With Striker Standard 80N
- EAN/UPC Code: 3605340501650
- Rated voltage AC IEC: 12 kV
- Ampere Rating: 250 A
- AC or DC: AC
- Fuse Size: d=88mm L=292mm
- Mounting: Clip
- AC Max I.R./Breaking Capacity: I1: 63 kA
- Min Interrupting Rating (MBC): 740 A
- Design Details: VDE T4
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Cylindrical
- Product Diameter: 88 mm
- Product Length: 358 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 3.7 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: 3.7 kg
- Power Dissipation at Rated Current Value: 335 W
Frequently Asked Questions
What is the primary function of this back-up fuse?
Its primary function is to provide reliable overcurrent and fault protection for transformers, ensuring safe interruption of high fault currents to prevent damage to electrical equipment.
Is this fuse suitable for DC applications?
No, this fuse is designed specifically for AC applications with a rated voltage of 12 kV AC.
How does the striker indication system work?
The striker mechanism activates upon fuse operation, providing a mechanical indication that can be used for remote signalling or visual confirmation of fuse status.
Can this fuse be used in non-DIN mounting systems?
This fuse is designed for standard DIN clip mounting; alternative mounting may require adapters or different fuse types.
Common Search Terms
High voltage fuse, transformer back-up fuse, DIN fuse 12kV, 250A fuse, VDE T4 fuse, IEC rated fuse, striker fuse indicator, ceramic body fuse, industrial power fuse, high breaking capacity fuse.
| Manufacturer Part Number | Y1014919 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340501650 |
| Height | 358mm |
| Width | 88mm |
| Depth | 88mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | 45DB120V250P |