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MERSEN FUSE 600V 400A CLASS J FUSE A4J400

MPN: A4J400

Special Price £160.30 £133.58 Regular Price £356.22

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Why Choose the Fuse A4J - Class J - Fast-Acting 600VAC 300VDC 400A Blade Amp-Trap®?

The Fuse A4J400 delivers rapid circuit protection with its fast-acting design, making it ideal for safeguarding sensitive equipment in demanding industrial applications. Rated for 600VAC and 300VDC up to 400A, this Class J fuse ensures reliable performance in high fault current environments.

Its robust blade construction allows for secure installation and quick replacement, minimising downtime. The Amp-Trap® technology provides precise overcurrent response, offering superior protection for motors, drives, and control circuits.

Product Code: A4J400

Key Benefits

  • Fast-acting fuse design for rapid circuit interruption.
  • High breaking capacity of 200 kA for superior fault protection.
  • Dual voltage rating for both AC (600 V) and DC (300 V) applications.
  • Durable brass alloy blade terminals ensure secure and reliable connections.
  • Easy clip mounting for quick installation and replacement.
  • Amp-Trap® technology provides precise and consistent overcurrent response.

Compatibility

This fuse is compatible with equipment requiring Class J fuses with fast-acting characteristics, suitable for use in motor control centres, variable frequency drives, and industrial control panels operating at voltages up to 600VAC or 300VDC.

Applications

  • Motor protection in industrial machinery.
  • Variable frequency drive circuits.
  • Control panel circuit protection.
  • Power distribution systems requiring fast-acting fuses.
  • Industrial equipment with high fault current environments.

Technical Specifications

  • Item number: A4J400
  • Description: Fuse A4J - Class J - Fast-Acting 600VAC 300VDC 400A Blade Amp-Trap®
  • EAN/UPC Code: 782001960452
  • Rated voltage AC UL: 600 V
  • Rated voltage DC UL: 300 V
  • Frequency (Hz): 50/60 Hz
  • Ampere Rating: 400 A
  • AC or DC: AC/DC
  • Fuse Class: Class J
  • Speed/Characteristic: Fast-Acting
  • Mounting: Clip
  • AC Max I.R./Breaking Capacity: I1: 200 kA
  • Connection/Terminal Material: Brass Alloy
  • Connection/Terminal Type: Blade
  • Product Diameter: 54 mm
  • Product Length: 181.1 mm
  • Sell Pack Quantity: 1 EA
  • Sell Pack Weight: 0.8346 kg
  • Sell Pack Width: 53.8 mm
  • Sell Pack Length: 53.8 mm
  • Sell Pack Height: 184.1 mm
  • Product group: Low Voltage UL/CSA Fuses
  • Body/Insulating Material: GMG
  • Product Weight: 0.7938 kg

Frequently Asked Questions

What is the breaking capacity of the A4J400 fuse?

The A4J400 fuse has a maximum interrupting rating of 200 kA at rated voltage, ensuring it can safely interrupt high fault currents.

Can this fuse be used in both AC and DC circuits?

Yes, the A4J400 is rated for use in both AC (up to 600 V) and DC (up to 300 V) applications.

What type of mounting does the A4J400 fuse require?

This fuse uses a clip mounting system for easy installation and replacement.

Is the fuse suitable for motor protection?

Yes, its fast-acting characteristic and Amp-Trap® technology make it ideal for protecting motors and control circuits.

Common Search Terms

Class J fuse, fast-acting fuse, 400A fuse, 600VAC fuse, 300VDC fuse, Amp-Trap fuse, blade fuse, motor protection fuse, industrial fuse, high breaking capacity fuse

More Information
Manufacturer Part Number A4J400
Packed Quantity 1
Barcode 0782001960452
Height 181.1mm
Width 54mm
Depth 54mm
HS Code 85361090
Country of Manufacture Mexico
Manufacturer Mersen
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