MERSEN FUSE H 729P BCKUP 192-56/40 Z209299

Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T402 7.2kVAC IEC 40A d56mm, L192mm With Striker 80N 45DB72V40PD?

Engineered for high reliability in demanding transformer protection, this VDE-certified Limitor® DIN back-up fuse delivers robust performance at 7.2kVAC and 40A. Its compact dimensions—56mm diameter and 192mm length—enable straightforward integration into existing switchgear and transformer assemblies.

The integrated 80N striker provides clear, mechanical fuse status indication for swift diagnostics, while IEC compliance assures safe interruption of fault currents. Optimised for efficiency and safety, this fuse is the ideal choice for critical power distribution applications.

Product Code: Z209299

Key Benefits

• VDE T402 certified for assured quality and safety.
• High breaking capacity of 63 kA for reliable fault interruption.
• Compact size (56mm diameter, 192mm length) for easy installation.
• Integrated 80N striker provides clear mechanical indication of fuse status.
• Silver-plated copper terminals ensure excellent conductivity and corrosion resistance.
• Ceramic body material offers superior insulation and durability.
• Optimised power dissipation of 30 W at rated current for efficient operation.

Compatibility

This fuse is designed specifically for use with transformer Limitor® systems compliant with IEC standards, suitable for integration into high voltage switchgear and transformer protection assemblies rated at 7.2 kV AC and 40 A.

Applications

• Transformer protection in power distribution networks.
• High voltage switchgear assemblies.
• Industrial power systems requiring reliable back-up fusing.
• Electrical equipment requiring IEC-compliant fuse protection.

Technical Specifications

• Item number: Z209299
• Catalogue No: 45DB72V40PD
• Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T402 7.2kVAC IEC 40A d56mm, L192mm With Striker 80N
• EAN/UPC Code: 3605340217988
• Rated voltage AC IEC: 7.2 kV
• Ampere Rating: 40 A
• AC or DC: AC
• Fuse Size: d=56mm L=192mm
• Mounting: Clip
• Clearing I2t At Rated Voltage: 14 kA²s
• AC Max I.R./Breaking Capacity: I1: 63 kA
• Min Interrupting Rating (MBC): 140 A
• Design Details: VDE T402
• Indication System: Yes
• Indication System Type: Striker
• Connection/Terminal Material: Silver-Plated Copper
• Connection/Terminal Type: Cylindrical
• Product Diameter: 56 mm
• Product Length: 258 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 1.2 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: 1.2 kg
• Power Dissipation at Rated Current Value: 30 W

Common Search Terms

High voltage fuse, DIN back-up fuse, transformer fuse, Limitor fuse, VDE T402 fuse, 7.2kV fuse, 40A IEC fuse, striker indication fuse, ceramic body fuse, industrial electrical fuse.