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MERSEN FUSE A 070 URD 32 LI 0550 A070URD32LI0550

MPN: M300207

Alt. SKU: A070UD32LI550

Special Price £102.48 £85.40 Regular Price £186.32

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MERSEN FUSE A 070 URD 32 LI 0550 A070URD32LI0550 is available to buy in increments of 3
Free delivery on orders over £200

Why Choose the Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 550A With Striker Slotted Blades long A070UD32LI550?

The A070UD32LI550 offers reliable overcurrent protection for demanding industrial applications, supporting high-speed circuit interruption up to 550A. Certified to IEC 690VAC and UL 700VAC standards, it ensures safe and compliant operation within critical power systems.

Featuring a robust square body design and integrated striker with slotted blades, it enables easy installation and remote trip indication, significantly reducing system downtime and maintenance costs. Ideal for safeguarding sensitive power electronics and high-value equipment.

Product Code: M300207

Key Benefits

  • High-speed fuse providing rapid circuit interruption to protect sensitive equipment.
  • Certified to IEC 690VAC and UL 700VAC standards ensuring compliance and safety.
  • Integrated striker with slotted blades for easy installation and remote trip indication.
  • Robust ceramic body for enhanced durability and reliability in industrial environments.
  • Silver-plated copper terminals for excellent electrical conductivity and corrosion resistance.

Compatibility

This fuse is compatible with industrial power systems requiring a high-speed aR type fuse rated at 550A and voltages up to 700V AC. It is suitable for use with bolted mounting fuse holders designed for size 32 fuses and semiconductor protection applications.

Applications

  • Protection of semiconductor devices and power electronics.
  • Industrial motor and drive protection circuits.
  • High-speed overcurrent protection in manufacturing plants.
  • Power distribution systems requiring reliable fault interruption.
  • Systems needing remote trip indication for maintenance efficiency.

Technical Specifications

  • Item number: M300207
  • Catalogue No: A070UD32LI550
  • Description: Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 550A With Striker Slotted Blades long
  • EAN/UPC Code: 3605340324921
  • Rated voltage AC UL: 700 V
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 550 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 32
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 215 kA²s
  • Melting I2t: 37 kA²s
  • AC Max I.R./Breaking Capacity: I1: 200 kA
  • Indication System: Yes
  • Indication System Type: Striker
  • Connection/Terminal Material: Silver-Plated Copper
  • Connection/Terminal Type: Slotted Blades
  • Product Width: 59 mm
  • Product Length: 153 mm
  • Product Height: 65 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 1.7199 kg
  • Sell Pack Width: 160 mm
  • Sell Pack Length: 195 mm
  • Sell Pack Height: 72 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.5733 kg
  • Power Dissipation at Rated Current Value: 95 W

Frequently Asked Questions

What does the 'aR' speed characteristic mean?

The 'aR' rating indicates a high-speed fuse designed specifically for semiconductor protection, capable of interrupting high fault currents quickly to protect sensitive components.

Is this fuse suitable for DC applications?

No, this fuse is rated for AC applications only as specified in the technical specifications.

How does the striker indication system work?

The integrated striker provides a mechanical indication of fuse operation and allows for remote signalling to alert maintenance personnel of a blown fuse.

What mounting options are available for this fuse?

This fuse is designed for bolted mounting, ensuring secure and reliable installation in compatible fuse holders.

Common Search Terms

high-speed fuse, semiconductor protection fuse, aR fuse, 550A fuse, 690VAC fuse, UL 700V fuse, striker fuse, slotted blade fuse, size 32 fuse, industrial fuse, ceramic body fuse, bolted mounting fuse

More Information
Manufacturer Part Number M300207
Packed Quantity 3
Barcode 3605340324921
Height 153mm
Width 59mm
Depth 65mm
HS Code 85361090
Country of Manufacture France
Manufacturer Mersen
Alternative Product SKU A070UD32LI550
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