MERSEN FUSE H 1209P BCKUP 442-65/80 45DB120V80P-3

Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T4 12kVAC IEC 80A d88mm, L442mm With Striker Standard 80N 45DB120V80P-3?

Engineered for high reliability, this DIN back-up fuse ensures robust transformer protection at up to 12kVAC, with precise coordination to IEC standards and a rated current of 80A. Its d88mm diameter and 442mm length comply with industry requirements for straightforward integration into switchgear and transformer systems.

The built-in striker (Standard 80N) enables dependable signal and remote tripping, optimising system safety and response. Certified to VDE T4 and IEC, this device is ideal for industrial applications demanding high interrupting capacity, minimal maintenance, and proven operational safety.

Technical Specifications

• Item number: P1006102
• Catalogue No: 45DB120V80P-3
• Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T4 12kVAC IEC 80A d88mm, L442mm With Striker Standard 80N
• EAN/UPC Code: 3605340483826
• Rated voltage AC IEC: 12 kV
• Ampere Rating: 80 A
• AC or DC: AC
• Fuse Size: d=88mm L=442mm
• Mounting: Clip
• Clearing I2t At Rated Voltage: 120 kA²s
• AC Max I.R./Breaking Capacity: I1: 32 kA
• Min Interrupting Rating (MBC): 320 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: 508 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 2.3 kg
• Sell Pack Width: 110 mm
• Sell Pack Length: 560 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: 83 W

Product Code: P1006102

Key Benefits

• High interrupting capacity up to 32 kA ensures reliable protection in demanding environments.
• Integrated striker mechanism provides clear indication and remote tripping capability.
• Compliance with VDE T4 and IEC standards guarantees quality and safety.
• Silver-plated copper terminals offer excellent conductivity and corrosion resistance.
• Ceramic body provides robust insulation and mechanical strength.
• Compact design with clip mounting allows easy installation and replacement.

Compatibility

This fuse is compatible with transformer Limitor® systems requiring DIN back-up protection at 12kVAC and 80A ratings. It integrates seamlessly with switchgear and transformer units designed for IEC and VDE T4 standard fuses, ensuring optimal coordination and protection.

Applications

• Protection of power transformers in industrial and utility networks.
• Use in medium voltage switchgear assemblies.
• Backup protection for primary fuses in electrical distribution systems.
• Remote signalling and tripping in automated electrical protection schemes.
• Installation in electrical substations requiring high voltage fuse solutions.

Common Search Terms

High voltage fuse, DIN back-up fuse, transformer fuse 12kV, IEC fuse 80A, VDE T4 fuse, striker fuse, ceramic body fuse, silver-plated copper terminals, transformer protection fuse, medium voltage fuse.