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MERSEN FUSE A070 URD 33 TTI 0900 A070URD33TTI0900

MPN: B300450

Alt. SKU: A070UD33TTI900

Special Price £142.34 £118.62 Regular Price £258.80

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MERSEN FUSE A070 URD 33 TTI 0900 A070URD33TTI0900 is available to buy in increments of 3
Free delivery on orders over £200

Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 900A With Striker Flush ends UNC threads A070UD33TTI900?

This high-speed Protistor® fuse is engineered for demanding industrial and power electronic applications, offering reliable protection at up to 900A with 690VAC (IEC) and 700VAC (UL) ratings. Precision design ensures rapid response to overloads, reducing equipment downtime and safeguarding sensitive components.

The flush striker ends and UNC threads enable secure, easy installation in tight spaces, while robust construction guarantees dependable operation even in challenging environments. Fully compliant with international IEC and UL standards, it is ideal for engineers seeking safety, performance, and long-term service life.

Product Code: B300450

Key Benefits

  • High-speed protection for sensitive semiconductor devices.
  • Rated for up to 900A at 690VAC (IEC) and 700VAC (UL).
  • Flush striker ends with UNC threads for secure and easy installation.
  • Robust ceramic body ensuring durability and long service life.
  • Silver-plated brass terminals for excellent conductivity and corrosion resistance.
  • Integrated striker indication system for clear fuse status monitoring.
  • Compliant with international IEC and UL safety standards.

Compatibility

This Protistor® fuse is compatible with industrial power electronic equipment requiring bolted mounting and a size 33 fuse. It fits applications needing high breaking capacity and fast response times, suitable for semiconductor protection in systems operating at voltages up to 700V AC. The flush end terminals with UNC threads ensure compatibility with standard fuse holders designed for this fuse size and type.

Applications

  • Industrial power electronics protection
  • Semiconductor device safeguarding
  • Inverters and converters
  • Motor drives and control panels
  • Renewable energy systems
  • High-speed switching circuits

Technical Specifications

  • Item number: B300450
  • Catalogue No: A070UD33TTI900
  • Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 900A With Striker Flush ends UNC threads
  • EAN/UPC Code: 3605340328592
  • Rated voltage AC UL: 700 V
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 900 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 33
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 770 kA²s
  • Melting I2t: 130 kA²s
  • AC Max I.R./Breaking Capacity: I1: 200 kA
  • Design Details: Standard Terminal
  • Indication System: Yes
  • Indication System Type: Striker
  • Connection/Terminal Material: Silver-Plated Brass
  • Connection/Terminal Type: Flush ends
  • Product Width: 73 mm
  • Product Length: 50.6 mm
  • Product Height: 78.5 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 2.682 kg
  • Sell Pack Width: 86 mm
  • Sell Pack Length: 247 mm
  • Sell Pack Height: 94 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.894 kg
  • Power Dissipation at Rated Current Value: 120 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, capable of interrupting short-circuit currents quickly to protect sensitive devices.

Is this fuse suitable for DC applications?

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

How do the striker flush ends benefit installation?

The striker flush ends with UNC threads provide secure mounting and easy installation in compact or confined spaces, ensuring reliable electrical connection and fuse status indication.

Can this fuse be used in renewable energy systems?

Yes, it is suitable for use in renewable energy systems such as solar inverters and wind turbine converters where fast semiconductor protection is required.

Common Search Terms

high-speed fuse, Protistor fuse, semiconductor protection fuse, size 33 fuse, 900A fuse, 690VAC fuse, 700VAC fuse, aR characteristic fuse, flush end fuse, UNC threads fuse, industrial fuse, bolted mounting fuse

More Information
Manufacturer Part Number B300450
Packed Quantity 3
Barcode 3605340328592
Height 50.6mm
Width 73mm
Depth 78.5mm
HS Code 85361090
Manufacturer Mersen
Alternative Product SKU A070UD33TTI900
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