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MERSEN FUSE 600V 300A CLASS J TD FUSE AJT300

MPN: AJT300

Special Price £216.02 £180.02 Regular Price £480.05

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Why Choose the Reducer Fuse AJT - Class J - Time-delay 600VAC 500VDC 300A Blade?

The Reducer Fuse AJT300 delivers reliable circuit protection with its Class J time-delay design, supporting both 600VAC and 500VDC operations up to 300A. Its blade-type construction ensures easy installation and secure connectivity in industrial panel boards and control systems.

Engineered for demanding environments, the AJT300 minimises nuisance tripping during start-ups and short-term overloads while providing rapid response to sustained faults. Ideal for safeguarding motors, transformers, and circuit components, it assures enhanced system safety and longevity.

Technical Specifications

  • Item number: AJT300/600
  • Description: Reducer Fuse AJT - Class J - Time-delay 600VAC 500VDC 300A Blade
  • EAN/UPC Code: 782001463892
  • Rated voltage AC UL: 600 V
  • Rated voltage DC UL: 500 V
  • Frequency (Hz): 50/60 Hz
  • Ampere Rating: 300 A
  • AC or DC: AC/DC
  • Fuse Class: Class J
  • Speed/Characteristic: Time Delay
  • Mounting: Clip or Bolted
  • AC Max I.R./Breaking Capacity: I1: 200 kA
  • Connection/Terminal Material: Brass
  • Connection/Terminal Type: Blade
  • Product Diameter: 63.5 mm
  • Product Length: 203.2 mm
  • Sell Pack Quantity: 1 EA
  • Sell Pack Weight: 1.5467 kg
  • Sell Pack Width: 63.5 mm
  • Sell Pack Length: 222.2 mm
  • Sell Pack Height: 60.5 mm
  • Product group: Low Voltage UL/CSA Fuses
  • Body/Insulating Material: GMG
  • Product Weight: 1.4742 kg

Product Code: AJT300

Key Benefits

  • Reliable circuit protection for both AC and DC applications
  • Time-delay feature reduces nuisance tripping during motor start-ups
  • High breaking capacity of 200 kA ensures safety under fault conditions
  • Easy installation with blade-type terminals and clip or bolted mounting
  • Durable brass terminals and GMG insulating body for long service life

Compatibility

The AJT300 fuse is compatible with industrial panel boards, motor control centres, and transformer protection circuits that require Class J time-delay fuses rated for 600VAC and 500VDC. It fits standard blade-type fuse holders designed for Class J fuses.

Applications

  • Motor protection in industrial machinery
  • Transformer circuit safeguarding
  • Control panels and distribution boards
  • Overcurrent protection in AC and DC power systems
  • General industrial electrical equipment

Frequently Asked Questions

What does the time-delay characteristic mean?

The time-delay feature allows the fuse to tolerate temporary current surges, such as motor start-ups, without blowing, preventing unnecessary downtime.

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

Yes, the AJT300 is rated for both 600VAC and 500VDC applications, making it suitable for a variety of circuit types.

What is the breaking capacity of this fuse?

The fuse has a maximum interrupting rating of 200 kA, ensuring it can safely clear high fault currents.

How is the fuse mounted?

It can be mounted using clip or bolted methods with blade-type terminals for secure installation.

Common Search Terms

Reducer fuse, Class J fuse, time-delay fuse, 300A fuse, 600VAC fuse, 500VDC fuse, blade fuse, industrial fuse, motor protection fuse, transformer fuse

More Information
Manufacturer Part Number AJT300
Packed Quantity 1
Barcode 0782001962241
Height 181.1mm
Width 54mm
Depth 54mm
HS Code 85361090
Country of Manufacture Mexico
Manufacturer Mersen
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