Do you need some help?

Call us now on: 01706 242050

MERSEN FUSE 729P CPASJD 45/76.442 250 729PCPASJD45/76.44250

MPN: R085621

£1,353.58 £1,127.98

Please contact us for a delivery time
Call us now on 01706 242050

Need It Today?

Speak To Our Team

Speak to our experienced team to discuss options for getting your order to you today.

or

Call us now on: 01706 242050
  • Please ensure the items you would like are in stock
  • Please speak to our team before placing an order
  • Additional charges will apply
  • We cannot guarantee the availability of a courier

Found It Cheaper?

Please complete the form below or call us now on 01706 242050

Free delivery on orders over £200

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

The Limitor® 45ASD72V250P-3 high voltage back-up fuse is engineered for dependable motor circuit protection in demanding industrial environments. Rated at 7.2kVAC and 250A, this IEC-compliant fuse in size d=76mm, L=442mm ensures rapid isolation during fault conditions, preserving equipment integrity.

Featuring an integrated 20N striker for reliable actuation, it supports efficient fault indication and system safety. Designed for robust performance, it offers proven durability and optimal coordination in high voltage switchgear and motor starting circuits.

Technical Specifications

  • Item number: R085621
  • Catalogue No: 45ASD72V250P-3
  • Description: High Voltage Back-up fuse for motor Limitor® 7.2kVAC IEC 250A Size d=76mm, L=442mm With Striker 20N
  • EAN/UPC Code: 3605340071047
  • Rated voltage AC IEC: 7.2 kV
  • Ampere Rating: 250 A
  • AC or DC: AC
  • Fuse Size: d=76mm L=442mm
  • Mounting: Clip
  • Clearing I2t At Rated Voltage: 1000 kA²s
  • AC Max I.R./Breaking Capacity: I1: 50 kA
  • Min Interrupting Rating (MBC): 1400 A
  • Indication System: Yes
  • Indication System Type: Striker
  • Connection/Terminal Material: Silver-Plated Brass
  • Connection/Terminal Type: Cylindrical
  • Product Diameter: 76 mm
  • Product Length: 508 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 12.6 kg
  • Sell Pack Width: 340 mm
  • Sell Pack Length: 550 mm
  • Sell Pack Height: 110 mm
  • Product group: High Voltage IEC Fuses
  • Body/Insulating Material: Melamine fiber glass
  • Product Weight: 4.2 kg
  • Power Dissipation at Intermediate Current Value: 52 W @ 0.7 In

Product Code: R085621

Key Benefits

  • Reliable motor circuit protection in high voltage applications
  • Rapid fault isolation to safeguard equipment integrity
  • Integrated 20N striker for clear and dependable fault indication
  • Robust melamine fibre glass body for enhanced durability
  • Silver-plated brass terminals ensure excellent conductivity and corrosion resistance
  • IEC-compliant design for international compatibility and safety standards

Compatibility

This fuse is compatible with high voltage switchgear and motor starting circuits designed for 7.2 kV AC systems. It fits mounting clips designed for size d=76mm fuses and is suitable for use in industrial environments requiring IEC-compliant protection devices.

Applications

  • High voltage motor circuit protection
  • Industrial motor control and starting circuits
  • High voltage switchgear protection
  • Backup protection in electrical distribution systems
  • Fault isolation in critical industrial equipment

Frequently Asked Questions

What is the rated voltage and current of this fuse?

The fuse is rated for 7.2 kV AC and 250 A.

Does this fuse include a fault indication system?

Yes, it features an integrated 20N striker for reliable fault indication.

What materials are used for the fuse body and terminals?

The body is made of melamine fibre glass, and the terminals are silver-plated brass for durability and conductivity.

Is this fuse suitable for DC applications?

No, this fuse is designed specifically for AC applications.

What is the breaking capacity of the fuse?

The fuse has an AC maximum interrupting rating of 50 kA and a minimum interrupting rating of 1400 A.

Common Search Terms

Limitor fuse, high voltage back-up fuse, 7.2kV fuse, 250A motor protection fuse, IEC high voltage fuse, industrial motor fuse, striker indication fuse, high breaking capacity fuse

More Information
Manufacturer Part Number R085621
Packed Quantity 3
Manufacturer Mersen
Write Your Own Review
You're reviewing:MERSEN FUSE 729P CPASJD 45/76.442 250 729PCPASJD45/76.44250