MERSEN FUSE H 1209UP BCKUP T VDE292-88/125 D1000273

Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T402 12kVAC IEC 125A d88mm, L292mm With Thermal Striker?

This high voltage DIN back-up fuse has been engineered for reliable protection of transformer circuits up to 12kVAC, conforming to IEC standards and VDE T402. It delivers rapid fault interruption and features robust thermal striker activation (80N force) for enhanced indication and safety integration.

Its compact 88mm diameter and 292mm length enable easy DIN rail installation, while the 125A rating supports high-capacity performance. The integrated 45DB120V125PTD thermal striker ensures precise operation and quick visual fault indication, maximising transformer uptime and plant safety.

Product Code: D1000273

Key Benefits

• Reliable protection for transformer circuits up to 12kVAC
• Rapid fault interruption with high breaking capacity of 63 kA
• Robust thermal striker (80N) for clear fault indication
• Compact design with 88mm diameter and 292mm length for easy DIN rail mounting
• Silver-plated copper cylindrical terminals for excellent conductivity
• Ceramic insulating body ensures durability and safety
• Complies with IEC and VDE T402 standards for quality assurance

Compatibility

This fuse is compatible with transformer Limitor® systems designed for 12kVAC applications and meets IEC and VDE T402 specifications. It is suitable for use in high voltage electrical installations requiring DIN rail mounting and is designed to integrate seamlessly with existing protective devices requiring a 125A fuse rating and thermal striker indication.

Applications

• Protection of transformer circuits in industrial and utility environments
• High voltage electrical distribution systems
• Transformer Limitor® protection in power plants
• Electrical substations requiring IEC compliant fuses
• Renewable energy installations with transformer protection needs

Technical Specifications

• Item number: D1000273
• Catalogue No: 45DB120V125PTD
• Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T402 12kVAC IEC 125A d88mm, L292mm With Thermal Striker 80N
• EAN/UPC Code: 3605340455847
• Rated voltage AC IEC: 12 kV
• Ampere Rating: 125 A
• AC or DC: AC
• Fuse Size: d=88mm L=292mm
• Mounting: Clip
• Clearing I2t At Rated Voltage: 430 kA²s
• AC Max I.R./Breaking Capacity: I1: 63 kA
• Min Interrupting Rating (MBC): 480 A
• Design Details: VDE T402
• 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: 3.8 kg
• Sell Pack Width: 105 mm
• Sell Pack Length: 360 mm
• Sell Pack Height: 105 mm
• Product group: High Voltage IEC Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 3.8 kg
• Power Dissipation at Rated Current Value: 117 W

Common Search Terms

High voltage fuse, DIN rail fuse, transformer backup fuse, 12kV fuse, thermal striker fuse, VDE T402 fuse, IEC 125A fuse, high breaking capacity fuse, ceramic body fuse, silver-plated copper terminal fuse.