MERSEN FUSE H 1209UP BCKUP T VDE292-65/80 B1000271

Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T402 12kVAC IEC 80A d65mm, L292mm With Thermal Striker?

Engineered for precision protection in medium voltage transformer circuits, this back-up fuse complies with VDE T402 and IEC standards, ensuring reliable performance at 12kVAC and current ratings up to 80A. Its robust 65mm diameter and 292mm length fit seamlessly within standard DIN systems, making it ideal for demanding industrial environments.

Equipped with an 80N thermal striker for rapid and clear fault indication, the fuse supports enhanced operational safety and swift maintenance response. The compact, high-integrity design ensures dependable interruption under high fault conditions, minimising downtime and safeguarding valuable transformer assets.

Technical Specifications

• Item number: B1000271
• Catalogue No: 45DB120V80PTD
• Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T402 12kVAC IEC 80A d65mm, L292mm With Thermal Striker 80N
• EAN/UPC Code: 3605340455809
• Rated voltage AC IEC: 12 kV
• Ampere Rating: 80 A
• AC or DC: AC
• Fuse Size: d=65mm L=292mm
• Mounting: Clip
• Clearing I2t At Rated Voltage: 87 kA²s
• AC Max I.R./Breaking Capacity: I1: 63 kA
• Min Interrupting Rating (MBC): 345 A
• Design Details: VDE T402
• Indication System: Yes
• Indication System Type: Striker
• Connection/Terminal Material: Silver-Plated Copper
• Connection/Terminal Type: Cylindrical
• Product Diameter: 65 mm
• Product Length: 358 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 2.2 kg
• Sell Pack Width: 67 mm
• Sell Pack Length: 390 mm
• Sell Pack Height: 67 mm
• Product group: High Voltage IEC Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 2.2 kg
• Power Dissipation at Rated Current Value: 85 W

Product Code: B1000271

Key Benefits

• Complies with VDE T402 and IEC standards for guaranteed quality and safety.
• High breaking capacity of 63 kA ensures reliable fault interruption.
• Thermal striker indication system provides clear and rapid fault signalling.
• Robust ceramic body offers excellent insulation and durability.
• Silver-plated copper terminals ensure optimal electrical connection and longevity.
• Compact DIN size design allows easy integration into existing systems.

Compatibility

This back-up fuse is compatible with medium voltage transformer circuits operating at 12 kVAC and suitable for use in systems requiring 80A fuse ratings. It fits standard DIN mounting clips and is designed for use with Transformer Limitor® type fuse holders compliant with VDE T402 specifications.

Applications

• Protection of medium voltage transformers in industrial and utility networks.
• Backup protection in electrical distribution systems.
• Use in power generation and transmission facilities.
• Industrial plants requiring high voltage fuse protection with fault indication.

Common Search Terms

High voltage fuse, DIN back-up fuse, transformer fuse 12kV, thermal striker fuse, VDE T402 fuse, IEC 80A fuse, ceramic body fuse, medium voltage protection fuse, silver-plated copper terminal fuse.