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MERSEN FUSE 729P CPASJB 45/90.292 250 45ASB72V250P-2

MPN: R078169

£1,156.34 £963.62

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Why Choose the Limitor® 7.2kVAC 250A High Voltage Back-up Fuse?

This IEC-certified back-up fuse offers outstanding protection for high-voltage motors, with a robust 250A rating at 7.2kVAC. Its precise engineering ensures rapid fault interruption, while the integrated 20N striker provides reliable mechanical tripping indication.

Manufactured with a durable 88mm diameter and 292mm length design, the 45ASB72V250P-2 model is optimised for secure installation and long service life, enhancing safety and minimising downtime in demanding industrial applications.

Product Code: R078169

Key Benefits

  • IEC-certified for guaranteed compliance and safety
  • High 250A rating suitable for demanding high-voltage motor protection
  • Integrated 20N striker for clear mechanical trip indication
  • Robust melamine fibre glass body ensures durability and longevity
  • Silver-plated brass cylindrical terminals for reliable electrical connection
  • Clip mounting simplifies installation and maintenance
  • High breaking capacity of 50 kA for effective fault interruption

Compatibility

This back-up fuse is compatible with high-voltage motor circuits rated up to 7.2 kV AC and designed for use with Limitor® fuse systems requiring size d fuses with a diameter of 88 mm and length of approximately 292 mm. It fits securely in clip mounting arrangements and interfaces with mechanical trip indication systems.

Applications

  • Protection of high-voltage industrial motors
  • Backup fuse in power distribution systems
  • Industrial manufacturing plants requiring reliable motor protection
  • High-voltage electrical installations in commercial and utility sectors
  • Systems requiring IEC-compliant fuse solutions for safety and performance

Technical Specifications

  • Item number: R078169
  • Catalogue No: 45ASB72V250P-2
  • Description: High Voltage Back-up fuse for motor Limitor® 7.2kVAC IEC 250A Size d=88mm, L=292mm With Striker 20N
  • EAN/UPC Code: 3605340028287
  • Rated voltage AC IEC: 7.2 kV
  • Ampere Rating: 250 A
  • AC or DC: AC
  • Fuse Size: d=88mm L=292mm
  • Mounting: Clip
  • Clearing I2t At Rated Voltage: 1100 kA²s
  • AC Max I.R./Breaking Capacity: I1: 50 kA
  • Min Interrupting Rating (MBC): 1600 A
  • Indication System: Yes
  • Indication System Type: Striker
  • Connection/Terminal Material: Silver-Plated Brass
  • Connection/Terminal Type: Cylindrical
  • Product Diameter: 88 mm
  • Product Length: 358 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 13.2 kg
  • Sell Pack Width: 340 mm
  • Sell Pack Length: 400 mm
  • Sell Pack Height: 120 mm
  • Product group: High Voltage IEC Fuses
  • Body/Insulating Material: Melamine fiber glass
  • Product Weight: 4.4 kg
  • Power Dissipation at Intermediate Current Value: 49 W @ 0.7 In

Frequently Asked Questions

What is the primary function of this back-up fuse?

The fuse provides rapid fault interruption to protect high-voltage motors and associated equipment from damage due to overloads or short circuits.

What does the striker indication system do?

The integrated 20N striker mechanically indicates when the fuse has operated (blown), facilitating quick visual identification for maintenance personnel.

Is this fuse suitable for DC applications?

No, this fuse is designed specifically for AC applications at 7.2 kV and is not rated for DC use.

How is the fuse mounted?

The fuse is designed for clip mounting, ensuring secure and straightforward installation in compatible fuse holders.

Common Search Terms

high voltage fuse, Limitor fuse 7.2kV, 250A back-up fuse, IEC motor protection fuse, 88mm diameter fuse, 20N striker fuse, industrial motor fuse, clip mount fuse, silver-plated terminal fuse

More Information
Manufacturer Part Number R078169
Packed Quantity 3
Manufacturer Mersen
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