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MERSEN FUSE A 070 URD 31 TTI 0315 A070URD31TTI0315

MPN: C300474

Alt. SKU: A070UD31TTI315

Special Price £73.46 £61.22 Regular Price £133.56

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MERSEN FUSE A 070 URD 31 TTI 0315 A070URD31TTI0315 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 315A With Striker Flush ends UNC threads A070UD31TTI315?

Engineered for robust circuit protection in demanding industrial environments, this high-speed fuse offers reliable performance for power electronics applications up to 690VAC (IEC) and 700VAC (UL) at 315A. Its aR characteristic delivers rapid response to critical overcurrents, safeguarding sensitive devices such as semiconductors.

The flush striker ends and UNC threaded terminations ensure secure, hassle-free installation and integration. Designed to meet stringent IEC and UL standards, this Protistor® fuse guarantees efficient fault interruption and long-term operational safety in your systems.

Product Code: C300474

Key Benefits

  • High-speed aR characteristic for rapid fault clearance and semiconductor protection
  • Rated for up to 690VAC (IEC) and 700VAC (UL) ensuring versatile application
  • Flush ends with UNC threads provide secure and easy installation
  • Silver-plated brass terminals for excellent conductivity and corrosion resistance
  • Integral striker indication system for quick visual fault detection
  • Ceramic insulating body offers durability and high thermal stability
  • Meets stringent IEC and UL standards for reliable industrial use

Compatibility

This fuse is compatible with Size 31 fuse holders and switchgear designed for aR characteristic fuses. It integrates seamlessly with industrial power electronics systems requiring high-speed semiconductor protection at voltages up to 700VAC.

Applications

  • Protection of semiconductor devices such as thyristors and diodes
  • Industrial motor drives and inverters
  • Power supply units and converters
  • Renewable energy systems including solar inverters
  • General industrial electrical installations requiring high-speed fuses

Technical Specifications

  • Item number: C300474
  • Catalogue No: A070UD31TTI315
  • Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 315A With Striker Flush ends UNC threads
  • EAN/UPC Code: 3605340329032
  • Rated voltage AC UL: 700 V
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 315 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 31
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 44000 A²s
  • Melting I2t: 7500 A²s
  • AC Max I.R./Breaking Capacity: I1: 200 kA
  • Indication System: Yes
  • Indication System Type: Striker
  • Connection/Terminal Material: Silver-Plated Brass
  • Connection/Terminal Type: Flush ends
  • Product Width: 51 mm
  • Product Length: 50.6 mm
  • Product Height: 56.5 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 1.155 kg
  • Sell Pack Width: 85 mm
  • Sell Pack Length: 168 mm
  • Sell Pack Height: 65 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.385 kg
  • Power Dissipation at Rated Current Value: 65 W

Frequently Asked Questions

What does the aR characteristic mean for this fuse?

The aR characteristic indicates a high-speed fuse designed specifically for semiconductor protection, providing rapid interruption of overcurrents to prevent damage to sensitive components.

Is this fuse suitable for DC applications?

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

How does the striker indication system work?

The striker indication system provides a visual signal when the fuse has blown, allowing for quick identification and replacement without the need for additional testing equipment.

Can this fuse be used in renewable energy systems?

Yes, it is suitable for use in power electronics within renewable energy systems such as solar inverters, where high-speed semiconductor protection is required.

Common Search Terms

high-speed fuse, semiconductor protection fuse, aR fuse, 315A fuse, 690VAC fuse, 700VAC fuse, Protistor fuse, Size 31 fuse, flush end fuse, industrial fuse, circuit protection fuse, striker indicator fuse, bolted fuse, ceramic body fuse

More Information
Manufacturer Part Number C300474
Packed Quantity 3
Barcode 3605340329032
Height 50.6mm
Width 51mm
Depth 56.5mm
HS Code 85361090
Country of Manufacture France
Manufacturer Mersen
Alternative Product SKU A070UD31TTI315
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