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MERSEN FUSE A 070 URD 30 KI 0550 A070URD30KI0550

MPN: W301066

Alt. SKU: A070UD30KI550

Special Price £99.34 £82.78 Regular Price £180.60

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MERSEN FUSE A 070 URD 30 KI 0550 A070URD30KI0550 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 550A With Striker Slotted Blades short A070UD30KI550?

Engineered for superior circuit protection in demanding industrial applications, this high-speed fuse ensures rapid, reliable response to overcurrents up to 550A, fully compliant with IEC 690VAC and UL 700VAC standards. Its robust square body design and striker mechanism enable quick fault indication, facilitating fast, safe maintenance interventions.

Featuring slotted blades for versatile and secure installation, the A070UD30KI550 delivers proven performance and longevity in power electronics, drives, and semiconductor protection, providing critical assurance for operational uptime and equipment safety.

Product Code: W301066

Key Benefits

  • High-speed aR characteristic ensures fast and reliable protection for semiconductor devices.
  • Robust ceramic body offers excellent durability and heat resistance.
  • Striker indication system provides clear and immediate fault indication.
  • Slotted blades with silver-plated copper terminals ensure secure and corrosion-resistant connections.
  • Compliant with IEC 690VAC and UL 700VAC standards for versatile international use.
  • Bolted mounting facilitates stable installation in industrial panels.

Compatibility

This fuse is compatible with industrial power electronics, semiconductor protection circuits, motor drives, and other high-speed switching applications requiring a 550A rating at up to 700V AC. It fits fuse holders designed for size 30 aR fuses with slotted blade terminals and bolted mounting.

Applications

  • Protection of power semiconductors in inverters and converters.
  • Industrial motor drive circuits.
  • Power electronics and control equipment.
  • Renewable energy systems such as solar inverters.
  • General industrial electrical installations requiring fast-acting fuse protection.

Technical Specifications

  • Item number: W301066
  • Catalogue No: A070UD30KI550
  • Description: Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 550A With Striker Slotted Blades short
  • EAN/UPC Code: 3605340336283
  • 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: 30
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 330 kA²s
  • Melting I2t: 52 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: 129 mm
  • Product Height: 48 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 0.873 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: 0.291 kg
  • Power Dissipation at Rated Current Value: 90 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, allowing rapid interruption of short-circuit currents to prevent damage.

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 system provides a mechanical indication of fuse operation by releasing a visible striker when the fuse blows, enabling quick visual fault detection.

Can this fuse be used in renewable energy systems?

Yes, it is suitable for use in power electronics including solar inverters, provided the voltage and current ratings match the system requirements.

Common Search Terms

high-speed fuse, aR fuse, semiconductor protection fuse, size 30 fuse, 550A fuse, 690VAC fuse, UL 700V fuse, striker fuse, slotted blade fuse, bolted mounting fuse, ceramic body fuse

More Information
Manufacturer Part Number W301066
Packed Quantity 3
Barcode 3605340336283
Height 129mm
Width 40mm
Depth 48mm
HS Code 85361090
Country of Manufacture France
Manufacturer Mersen
Alternative Product SKU A070UD30KI550
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