MERSEN FUSE H 2409UP BCKUP T442-56/31,5 45DB240V32PT

Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T4 24kVAC IEC 31.5A d56mm, L442mm With Striker CPD 80N 45DB240V32PT?

Engineered to deliver reliable protection for transformers, this back-up fuse supports operating voltages up to 24kVAC and continuous currents of 31.5A, ensuring robust performance and system safety in high voltage environments. Its precise DIN construction, 56mm diameter, and 442mm length enable straightforward integration with VDE T4-compliant installations.

Integrated with an 80N striker for positive, remote indication, the Limitor® fuse meets IEC standards for quality and operational consistency. Designed for demanding industrial applications, it provides rapid fault clearance and high breaking capacity, maximising equipment uptime and safeguarding critical assets.

Technical Specifications

• Item number: N1000144
• Catalogue No: 45DB240V32PT
• Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T4 24kVAC IEC 31.5A d56mm, L442mm With Striker CPD 80N
• EAN/UPC Code: 3605340453171
• Rated voltage AC IEC: 24 kV
• Ampere Rating: 31.5 A
• AC or DC: AC
• Fuse Size: d=56mm L=442mm
• Mounting: Clip
• Clearing I2t At Rated Voltage: 7 kA²s
• AC Max I.R./Breaking Capacity: I1: 63 kA
• Min Interrupting Rating (MBC): 105 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: 508 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 2.3 kg
• Sell Pack Width: 65 mm
• Sell Pack Length: 540 mm
• Sell Pack Height: 60 mm
• Product group: High Voltage IEC Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 2.3 kg
• Power Dissipation at Rated Current Value: 127 W

Product Code: N1000144

Key Benefits

• Reliable protection for transformers with high voltage and current ratings.
• Compliance with IEC and VDE T4 standards ensures quality and safety.
• Integrated 80N striker provides clear, remote fault indication.
• High breaking capacity of 63 kA maximises system protection.
• Ceramic body and silver-plated copper terminals ensure durability and excellent conductivity.
• Easy installation with clip mounting and standard DIN dimensions.

Compatibility

This fuse is compatible with transformer protection systems requiring VDE T4 standard fuses and is suitable for use in high voltage AC networks up to 24kV. It fits installations designed for 56mm diameter and 442mm length DIN back-up fuses with cylindrical terminals.

Applications

• Transformer protection in industrial and utility power systems.
• High voltage switchgear and distribution equipment.
• Electrical substations requiring reliable fault interruption.
• Power generation facilities and renewable energy systems.
• Maintenance and upgrade of existing high voltage electrical infrastructure.

Common Search Terms

High voltage fuse, transformer back-up fuse, Limitor fuse, VDE T4 fuse, 24kV fuse, 31.5A fuse, IEC fuse, DIN fuse, striker fuse, ceramic body fuse, industrial electrical fuse.