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MERSEN FUSE 300V 45A T FUSE A3T45

MPN: A3T45

Special Price £19.72 £16.43 Regular Price £43.80

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MERSEN FUSE 300V 45A T FUSE A3T45 is available to buy in increments of 10
Free delivery on orders over £200

Why Choose the Fuse A3T - Class T - Fast-Acting 300VAC 160VDC 450A Blade Amp-Trap®?

The Fuse A3T Class T offers rapid circuit protection with fast-acting response, handling up to 450A at 300VAC or 160VDC. Its compact blade design ensures reliable fit and superior performance in demanding industrial and commercial power distribution systems.

Engineered for high short-circuit current ratings, this fuse minimises downtime and provides robust defence for sensitive components. Choose the A3T45 for enhanced system safety and efficient fault isolation in critical applications.

Product Code: A3T450

Key Benefits

  • Fast-acting fuse design for rapid circuit interruption.
  • High breaking capacity of 200 kA ensures protection against severe short circuits.
  • Compact blade terminal for easy and secure bolted mounting.
  • Suitable for both AC (300 V) and DC (160 V) applications.
  • Durable construction with GMG insulating material for long service life.
  • Minimises downtime by providing reliable fault isolation.

Compatibility

This fuse is compatible with industrial and commercial power distribution systems requiring Class T fast-acting protection. It fits standard blade-type fuse holders designed for bolted mounting and is suitable for circuits operating at 50/60 Hz frequency.

Applications

  • Industrial motor control circuits.
  • Commercial power distribution panels.
  • Protection of sensitive electronic equipment.
  • Renewable energy systems requiring DC protection.
  • General low voltage electrical installations.

Technical Specifications

  • Item number: A3T450
  • Description: Fuse A3T - Class T - Fast-Acting 300VAC 160VDC 450A Blade Amp-Trap®
  • EAN/UPC Code: 782001890292
  • Rated voltage AC UL: 300 V
  • Rated voltage DC UL: 160 V
  • Frequency (Hz): 50/60 Hz
  • Ampere Rating: 450 A
  • AC or DC: AC/DC
  • Fuse Class: Class T
  • Speed/Characteristic: Fast-Acting
  • Mounting: Bolted
  • AC Max I.R./Breaking Capacity: I1: 200 kA
  • Connection/Terminal Material: Copper
  • Connection/Terminal Type: Blade
  • Product Diameter: 41.1 mm
  • Product Length: 77.7 mm
  • Sell Pack Quantity: 1 EA
  • Sell Pack Weight: 0.2132 kg
  • Sell Pack Width: 42.9 mm
  • Sell Pack Length: 42.9 mm
  • Sell Pack Height: 81 mm
  • Product group: Low Voltage UL/CSA Fuses
  • Body/Insulating Material: GMG
  • Product Weight: 0.2023 kg

Frequently Asked Questions

What is the maximum voltage rating for this fuse?

The Fuse A3T is rated for up to 300 V AC and 160 V DC applications.

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

Yes, it is designed for use in both AC and DC circuits as indicated by its AC/DC rating.

What type of mounting does this fuse require?

This fuse uses a bolted mounting method with blade terminals for secure installation.

What does Class T mean in fuse classification?

Class T fuses are fast-acting fuses designed to provide short-circuit protection with a high interrupting rating, ideal for protecting sensitive equipment.

Common Search Terms

Class T fuse, fast-acting fuse 450A, 300VAC fuse, 160VDC fuse, blade fuse Amp-Trap, industrial circuit protection, bolted fuse, high breaking capacity fuse, low voltage UL fuse

More Information
Manufacturer Part Number A3T45
Packed Quantity 10
Barcode 0782001890124
Height 22.4mm
Width 14.2mm
Depth 14.2mm
HS Code 85361050
Country of Manufacture Mexico
Manufacturer Mersen
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