MERSEN FUSE H 1209UP BCKUP T292-56/4 45DB120V4PT

Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T4 12kVAC IEC 4A d56mm, L292mm With Striker CPD 80N 45DB120V4PT?

This robust back-up fuse is engineered for high-voltage transformer protection, rated at 12kVAC and certified to VDE T4 and IEC standards for outstanding reliability. Its DIN design with dimensions of 56mm diameter and 292mm length ensures seamless integration into existing transformer assemblies.

Featuring a high-performance striker (CPD 80N 45DB120V4PT) for immediate signalling and rapid fault indication, this 4A fuse delivers fast operation and increased safety. It is ideal for demanding industrial applications requiring precise overcurrent protection and long-term durability.

Product Code: N1000121

Key Benefits

• High voltage rating of 12 kV for robust transformer protection.
• Certified to VDE T4 and IEC standards ensuring quality and safety compliance.
• Compact DIN design with 56 mm diameter and 292 mm length for easy installation.
• Equipped with a striker indication system for immediate fault signalling.
• Silver-plated copper terminals provide excellent conductivity and durability.
• Ceramic insulating body offers high mechanical strength and heat resistance.
• High breaking capacity of 63 kA for reliable fault clearing.

Compatibility

This fuse is compatible with transformer Limitor® systems requiring a 12 kV, 4 A DIN back-up fuse with striker indication. It fits assemblies designed for 56 mm diameter and 292 mm length fuses with clip mounting and cylindrical silver-plated copper terminals.

Applications

• High-voltage transformer protection in industrial electrical installations.
• Overcurrent protection in power distribution networks.
• Use in electrical substations requiring reliable fuse operation and indication.
• Protection of equipment in manufacturing plants and heavy industries.

Technical Specifications

• Item number: N1000121
• Catalogue No: 45DB120V4PT
• Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T4 12kVAC IEC 4A d56mm, L292mm With Striker CPD 80N
• EAN/UPC Code: 3605340452945
• Rated voltage AC IEC: 12 kV
• Ampere Rating: 4 A
• AC or DC: AC
• Fuse Size: d=56mm L=292mm
• Mounting: Clip
• Clearing I2t At Rated Voltage: 0.55 kA²s
• AC Max I.R./Breaking Capacity: I1: 63 kA
• Min Interrupting Rating (MBC): 22 A
• Design Details: VDE T4
• Indication System: Yes
• Indication System Type: Striker
• Connection/Terminal Material: Silver-Plated Copper
• Connection/Terminal Type: Cylindrical
• Product Diameter: 56 mm
• Product Length: 358 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 1.6 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: 1.6 kg
• Power Dissipation at Rated Current Value: 6 W

Common Search Terms

High voltage fuse, DIN back-up fuse, transformer fuse 12kV, VDE T4 fuse, IEC rated fuse, 4 amp fuse, striker indication fuse, ceramic body fuse, industrial transformer protection fuse.