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MERSEN FUSE A 070 URD 31 KI 0630 A070URD31KI0630

MPN: A300035

Alt. SKU: A070UD31KI630

Special Price £112.70 £93.92 Regular Price £204.92

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MERSEN FUSE A 070 URD 31 KI 0630 A070URD31KI0630 is available to buy in increments of 3
Free delivery on orders over £200

Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 630A With Striker Slotted Blades A070UD31KI630?

Engineered for demanding industrial applications, the Square Body High-Speed Fuse Protistor® integrates rapid response protection up to 690VAC (IEC)/700VAC (UL) for critical power systems. Its 630A rating ensures reliable safeguarding of semiconductor devices and high-power equipment against overloads and short circuits, minimising downtime and equipment risk.

Featuring robust slotted blade connections and a built-in striker for remote fuse indication, this fuse offers efficient installation and enhanced operational safety. Manufactured to stringent IEC and UL standards, it is ideal for use in drives, UPS, and power electronic assemblies where precision and durability are vital.

Technical Specifications

  • Item number: A300035
  • Catalogue No: A070UD31KI630
  • Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 630A With Striker Slotted Blades short
  • EAN/UPC Code: 3605340322590
  • Rated voltage AC UL: 700 V
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 630 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 31
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 430000 A²s
  • Melting I2t: 75000 A²s
  • 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: 51 mm
  • Product Length: 129 mm
  • Product Height: 56.5 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 1.203 kg
  • Sell Pack Width: 157 mm
  • Sell Pack Length: 166 mm
  • Sell Pack Height: 62 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.401 kg
  • Power Dissipation at Rated Current Value: 85 W

Product Code: A300035

Key Benefits

  • High-speed aR characteristic ensures rapid disconnection of semiconductor faults.
  • Rated for up to 700VAC (UL) and 690VAC (IEC), suitable for diverse industrial environments.
  • Built-in striker indication system for clear remote fault signalling.
  • Robust silver-plated copper slotted blade terminals for secure and reliable connections.
  • Ceramic body construction offers excellent durability and heat resistance.
  • High breaking capacity of 200kA minimises risk of damage during short circuits.

Compatibility

This fuse is compatible with industrial semiconductor protection circuits, including motor drives, uninterruptible power supplies (UPS), power electronic assemblies, and other high-power AC systems requiring fast-acting protection. It fits standard Size 31 fuse holders with bolted mounting.

Applications

  • Protection of semiconductor devices in variable speed drives.
  • Overcurrent protection in UPS systems.
  • Use in power electronic modules and assemblies.
  • Industrial automation and control equipment safeguarding.
  • High-power AC circuit protection requiring fast fuse response.

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 short circuits rapidly to protect sensitive components.

Can this fuse be used in DC circuits?

This fuse is rated for AC applications only, as specified in the technical specifications.

How does the striker indication system work?

The striker mechanism activates upon fuse operation, providing a mechanical signal that can be used for remote fault indication, enhancing safety and maintenance efficiency.

Is this fuse RoHS compliant?

Yes, the product is RoHS compliant, ensuring it meets environmental and safety standards.

Common Search Terms

high-speed fuse, semiconductor protection fuse, Size 31 fuse, 630A fuse, 690VAC fuse, 700VAC fuse, aR fuse, striker fuse, slotted blade fuse, industrial fuse, ceramic body fuse, bolted mounting fuse

More Information
Manufacturer Part Number A300035
Packed Quantity 3
Barcode 3605340322590
Height 129mm
Width 51mm
Depth 56.5mm
HS Code 85361090
Country of Manufacture France
Manufacturer Mersen
Alternative Product SKU A070UD31KI630
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