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MERSEN FUSE L TD FUSE 600V 1800A A4BQ A4BQ1800

MPN: A4BQ1800

Special Price £1,341.42 £1,117.85 Regular Price £2,980.92

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Why Choose the Fuse A4BQ - Class L - Time-Delay 600VAC 500VDC 1800A Blade Amp-Trap 2000®?

Engineered for high-capacity industrial applications, the Fuse A4BQ1800 offers reliable time-delay protection at 600VAC and 500VDC with a robust 1800A current rating. Its Class L blade design ensures secure fit and compatibility in demanding panel and switchgear installations.

The Amp-Trap 2000® construction provides superior short-circuit and overload performance, minimising downtime and safeguarding critical equipment. Ideal for heavy-duty systems requiring fault tolerance and enhanced operational safety.

Technical Specifications

  • Item number: A4BQ1800
  • Description: Fuse A4BQ - Class L - Time-Delay 600VAC 500VDC 1800A Blade Amp-Trap 2000®
  • EAN/UPC Code: 782001930127
  • Rated voltage AC UL: 600 V
  • Rated voltage DC UL: 500 V
  • Frequency (Hz): 50/60 Hz
  • Ampere Rating: 1800 A
  • AC or DC: AC/DC
  • Fuse Class: Class L
  • Speed/Characteristic: Time Delay
  • Mounting: Bolted
  • AC Max I.R./Breaking Capacity: I1: 200 kA
  • Connection/Terminal Material: Silver-Plated Copper
  • Connection/Terminal Type: Blade
  • Product Diameter: 88.9 mm
  • Product Length: 273 mm
  • Sell Pack Quantity: 1 EA
  • Sell Pack Weight: 3.9735 kg
  • Sell Pack Width: 95.2 mm
  • Sell Pack Length: 304.8 mm
  • Sell Pack Height: 96.8 mm
  • Product group: Low Voltage UL/CSA Fuses
  • Body/Insulating Material: GMG
  • Product Weight: 3.783 kg

Product Code: A4BQ1800

Key Benefits

  • High current rating of 1800A for heavy-duty industrial applications
  • Time-delay characteristic protects against temporary overloads while ensuring fast response to faults
  • Class L blade design ensures secure and reliable mounting
  • Amp-Trap 2000® technology delivers superior short-circuit and overload protection
  • Silver-plated copper terminals provide excellent conductivity and corrosion resistance
  • Bolted mounting for secure installation in panel and switchgear systems

Compatibility

The Fuse A4BQ1800 is compatible with standard Class L fuse holders and panels designed for blade-type fuses. It is suitable for use in both AC and DC circuits up to the rated voltages of 600VAC and 500VDC, making it ideal for a wide range of industrial electrical systems.

Applications

  • Industrial motor control and protection
  • Power distribution panels and switchgear
  • Heavy machinery and manufacturing equipment
  • Renewable energy systems requiring high fault current interruption
  • Critical infrastructure and commercial electrical installations

Frequently Asked Questions

What is the breaking capacity of the Fuse A4BQ1800?

The fuse has an AC maximum interrupting rating (breaking capacity) of 200 kA, suitable for high fault current applications.

Can this fuse be used in DC circuits?

Yes, it is rated for use in DC circuits up to 500 VDC, as well as AC circuits up to 600 VAC.

What type of mounting does this fuse require?

The Fuse A4BQ1800 uses bolted mounting for secure installation in compatible fuse holders and panels.

What does the time-delay characteristic mean?

Time-delay fuses allow short-duration overloads without blowing, protecting against transient conditions while still responding quickly to sustained faults.

Common Search Terms

Class L fuse, time-delay fuse, 1800 amp fuse, 600VAC fuse, 500VDC fuse, blade fuse, Amp-Trap 2000, industrial fuse, high interrupting rating fuse, bolted mount fuse

More Information
Manufacturer Part Number A4BQ1800
Packed Quantity 1
Barcode 0782001930127
Height 273mm
Width 88.9mm
Depth 88.9mm
HS Code 85361090
Country of Manufacture Mexico
Manufacturer Mersen
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