MERSEN FUSE H 1209P BCKUP 442-88/125 45DB120V125P-3

Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T4 12kVAC IEC 125A d88mm, L442mm With Striker Standard 80N 45DB120V125P-3?

Engineered for optimal protection of transformer circuits, this DIN back-up fuse assures rapid, reliable interruption at 12kVAC and up to 125A, meeting stringent IEC and VDE T4 safety requirements. Its robust 88mm diameter and 442mm length enable seamless integration and consistent performance under high fault conditions.

Equipped with a standard 80N striker for dependable auxiliary circuit actuation, this fuse guarantees instant status indication and operational safety. Select this solution for proven durability, compliance, and advanced transformer protection in demanding industrial applications.

Product Code: R1006104

Key Benefits

• High voltage rating of 12 kV ensures reliable transformer circuit protection.
• 125 A ampere rating suitable for a wide range of industrial applications.
• Robust ceramic body and silver-plated copper terminals for durability and excellent conductivity.
• Standard 80N striker provides quick and clear indication of fuse operation.
• Compliance with IEC and VDE T4 standards guarantees safety and performance.
• Clip mounting allows for easy installation and replacement.
• High breaking capacity of 32 kA ensures effective fault clearing.

Compatibility

This fuse is compatible with transformer Limitor® systems requiring VDE T4 rated back-up fuses at 12 kVAC and 125 A. It fits fuse holders designed for 88mm diameter and 442mm length fuses with cylindrical terminals and clip mounting. Suitable for use in industrial electrical panels and transformer protection assemblies adhering to IEC standards.

Applications

• Protection of power transformers in industrial and utility networks.
• Backup fuse for transformer Limitor® systems.
• High voltage circuit protection in electrical distribution systems.
• Use in electrical substations and switchgear assemblies.
• Industrial machinery and equipment requiring high voltage fuse protection.

Technical Specifications

• Item number: R1006104
• Catalogue No: 45DB120V125P-3
• Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T4 12kVAC IEC 125A d88mm, L442mm With Striker Standard 80N
• EAN/UPC Code: 3605340483840
• Rated voltage AC IEC: 12 kV
• Ampere Rating: 125 A
• AC or DC: AC
• Fuse Size: d=88mm L=442mm
• Mounting: Clip
• Clearing I2t At Rated Voltage: 450 kA²s
• AC Max I.R./Breaking Capacity: I1: 32 kA
• Min Interrupting Rating (MBC): 500 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: 4.2 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: 4.2 kg
• Power Dissipation at Rated Current Value: 130 W

Common Search Terms

High voltage fuse, transformer back-up fuse, DIN fuse 12kV, VDE T4 fuse, IEC 125A fuse, 88mm diameter fuse, striker indication fuse, industrial transformer protection fuse.