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MERSEN FUSE A 070 URD 30 LI 0250 A070URD30LI0250

MPN: T300144

Alt. SKU: A070UD30LI250

Special Price £110.35 £91.96 Regular Price £200.64

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MERSEN FUSE A 070 URD 30 LI 0250 A070URD30LI0250 is available to buy in increments of 3
Free delivery on orders over £200

Why Choose the Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 250A With Striker Slotted Blades long A070UD30LI250?

This high-speed Protistor® fuse delivers rapid and reliable protection for power semiconductors in demanding industrial applications, supporting up to 250A at 690VAC (IEC) and 700VAC (UL). Its square body design optimises heat dissipation, ensuring stable operation in high-stress environments.

The integrated striker mechanism provides instant visual indication of fuse status for enhanced safety and maintenance efficiency. Slotted blade terminals ensure secure and straightforward installation, making this fuse ideal for modern, mission-critical electrical systems.

Product Code: T300144

Key Benefits

  • High-speed aR characteristic ensures rapid disconnection to protect sensitive power semiconductors.
  • Square body design enhances heat dissipation for reliable performance under heavy load.
  • Integrated striker indication system provides immediate visual status of fuse operation.
  • Silver-plated copper slotted blade terminals allow secure and easy installation.
  • Robust ceramic insulating body ensures durability and long service life.
  • Compliant with IEC and UL standards for versatile global application.

Compatibility

This fuse is compatible with industrial power semiconductor protection systems requiring a 30 size, 250A rated fuse with aR characteristic. It is suitable for use in electrical panels and equipment designed for IEC 690VAC and UL 700VAC ratings, particularly where bolted mounting and striker indication are specified.

Applications

  • Protection of power semiconductors in industrial motor drives.
  • Use in power conversion equipment such as inverters and rectifiers.
  • High-speed protection in electrical distribution systems.
  • Industrial automation and control panels requiring reliable fuse status indication.
  • Heavy machinery and manufacturing equipment electrical protection.

Technical Specifications

  • Item number: T300144
  • Catalogue No: A070UD30LI250
  • Description: Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 250A With Striker Slotted Blades long
  • EAN/UPC Code: 3605340323894
  • Rated voltage AC UL: 700 V
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 250 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 30
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 32.4 kA²s
  • Melting I2t: 5.8 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: 40 mm
  • Product Length: 148.6 mm
  • Product Height: 48 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 0.9639 kg
  • Sell Pack Width: 133 mm
  • Sell Pack Length: 157 mm
  • Sell Pack Height: 54 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.3213 kg
  • Power Dissipation at Rated Current Value: 50 W

Frequently Asked Questions

What does the aR characteristic mean?

The aR characteristic indicates a high-speed fuse designed specifically for semiconductor protection, capable of interrupting short-circuit currents rapidly 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 striker mechanism provides a visual indication by triggering a visible indicator when the fuse has blown, allowing for quick identification and replacement.

Can this fuse be mounted in any orientation?

This fuse is designed for bolted mounting; orientation should follow manufacturer guidelines to ensure proper operation and heat dissipation.

Common Search Terms

high-speed fuse, Protistor fuse, semiconductor protection fuse, size 30 fuse, 250A fuse, 690VAC fuse, 700VAC fuse, aR fuse, striker indication fuse, slotted blade fuse, ceramic body fuse, bolted mounting fuse

More Information
Manufacturer Part Number T300144
Packed Quantity 3
Barcode 3605340323894
Height 148.6mm
Width 40mm
Depth 48mm
HS Code 85361090
Country of Manufacture France
Manufacturer Mersen
Alternative Product SKU A070UD30LI250
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