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MERSEN FUSE 6,9 URD 31 D11 A 0400 6,9URD31D11A0400

MPN: L300022

Alt. SKU: PC31UD69V400D1A

Special Price £82.02 £68.35 Regular Price £149.12

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MERSEN FUSE 6,9 URD 31 D11 A 0400 6,9URD31D11A0400 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 400A With Striker DIN 110 Blades PC31UD69V400D1A?

Engineered for demanding industrial applications, this high-speed fuse delivers reliable protection for power semiconductor devices, with a 400A rating and compatibility with both IEC 690VAC and UL 700VAC standards. The DIN 110 blade terminals enable straightforward integration into panel assemblies and switchgear, ensuring robust, low-loss connections.

Featuring a mechanical striker for remote indication of fuse operation, the PC31UD69V400D1A reduces maintenance time and enhances system safety. Its square body design and aR characteristic provide optimal performance in high-fault current environments, making it an ideal choice for critical circuit protection in advanced power electronics.

Technical Specifications

  • Item number: L300022
  • Catalogue No: PC31UD69V400D1A
  • Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 400A With Striker DIN 110 Blades
  • EAN/UPC Code: 3605340322460
  • Rated voltage AC UL: 700 V
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 400 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 31
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 110000 A²s
  • Melting I2t: 19000 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: DIN 110 Blades
  • Product Width: 51 mm
  • Product Length: 134.6 mm
  • Product Height: 56.5 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 1.2429 kg
  • Sell Pack Width: 142 mm
  • Sell Pack Length: 166 mm
  • Sell Pack Height: 62 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.4143 kg
  • Power Dissipation at Rated Current Value: 68 W

Product Code: PC31UD69V400D1A

Key Benefits

  • High-speed protection for sensitive power semiconductor devices.
  • Reliable operation with aR characteristic for high fault current environments.
  • Mechanical striker for remote indication reduces maintenance time.
  • Robust ceramic body ensures durability and long service life.
  • Silver-plated copper DIN 110 blade terminals for secure and low-resistance connections.
  • Compliance with IEC 690VAC and UL 700VAC standards ensures broad application compatibility.

Compatibility

This fuse is compatible with industrial power electronic equipment requiring high-speed semiconductor protection at voltages up to 700VAC. It integrates seamlessly with DIN 110 blade fuse holders and bolted mounting systems, making it suitable for use in switchgear, motor drives, and power converter panels.

Applications

  • Protection of power semiconductor devices such as thyristors and diodes.
  • Industrial motor drives and variable frequency drives (VFDs).
  • Power conversion and inverter circuits.
  • Switchgear and control panels in manufacturing plants.
  • Renewable energy systems including solar inverters.

Frequently Asked Questions

What does the aR characteristic mean for this fuse?

The aR characteristic indicates that this fuse is a partial-range high-speed fuse designed specifically to protect semiconductor devices by clearing short-circuits quickly while allowing for controlled overloads.

Can this fuse be used in 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 mechanical striker provides a visual and remote indication when the fuse has operated, allowing for quicker identification and replacement of blown fuses.

Is this fuse RoHS compliant?

Yes, the fuse complies with RoHS regulations, ensuring it is free from hazardous substances.

Common Search Terms

high-speed fuse, semiconductor protection fuse, aR fuse, 400A fuse, 690VAC fuse, UL 700VAC fuse, DIN 110 blade fuse, Protistor fuse, industrial fuse, power electronics protection

More Information
Manufacturer Part Number L300022
Packed Quantity 3
Barcode 3605340322460
Height 134.6mm
Width 51mm
Depth 56.5mm
HS Code 85361090
Country of Manufacture France
Manufacturer Mersen
Alternative Product SKU PC31UD69V400D1A
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