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MERSEN FUSE 600V 30A CLASS J FUSE A4J30

MPN: A4J30

Special Price £15.66 £13.05 Regular Price £34.80

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MERSEN FUSE 600V 30A CLASS J FUSE A4J30 is available to buy in increments of 10
Free delivery on orders over £200

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

The Fuse A4J30 delivers rapid response against overloads and short circuits, protecting sensitive industrial circuits with its fast-acting Class J design. Engineered for reliability, it supports systems operating up to 600VAC or 300VDC, ensuring stringent performance across demanding environments.

Rated at 300A, this blade-type Amp-Trap® fuse features superior current-limiting capability, essential for reducing downtime and equipment damage. Its robust construction and precision performance make it a trusted choice for safeguarding critical electrical installations.

Product Code: A4J300

Key Benefits

  • Fast-acting response reduces risk of damage to sensitive equipment.
  • High interrupting rating of 200 kA ensures reliable protection during faults.
  • Dual voltage rating supports both AC (600 V) and DC (300 V) applications.
  • Blade-type terminals allow for easy and secure mounting with clip installation.
  • Durable construction with brass alloy terminals and GMG insulating body for long service life.

Compatibility

The Fuse A4J30 is compatible with standard Class J fuse holders and panels designed for blade-type Amp-Trap® fuses. It integrates seamlessly into low voltage UL/CSA fuse systems requiring fast-acting protection up to 300 amps and supports both AC and DC circuits.

Applications

  • Industrial motor control circuits
  • Power distribution panels
  • Control transformers and lighting circuits
  • Protection of sensitive electronic equipment
  • Renewable energy systems requiring DC protection

Technical Specifications

  • Item number: A4J300
  • Description: Fuse A4J - Class J - Fast-Acting 600VAC 300VDC 300A Blade Amp-Trap®
  • EAN/UPC Code: 782001960414
  • Rated voltage AC UL: 600 V
  • Rated voltage DC UL: 300 V
  • Frequency (Hz): 50/60 Hz
  • Ampere Rating: 300 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 does Class J designation mean for this fuse?

Class J fuses are designed for fast-acting protection with a high interrupting rating, suitable for industrial applications requiring precise and reliable circuit protection.

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

Yes, the Fuse A4J30 is rated for 600 V AC and 300 V DC, making it suitable for a variety of AC and DC applications.

What is the significance of the 200 kA breaking capacity?

The 200 kA interrupting rating indicates the maximum fault current the fuse can safely interrupt without damage, ensuring protection in high fault current environments.

Is this fuse compatible with standard Class J fuse holders?

Yes, it is designed for use with standard Class J blade-type fuse holders and mounting clips.

Common Search Terms

Class J fuse, fast-acting fuse, 300A blade fuse, Amp-Trap fuse, 600VAC fuse, 300VDC fuse, industrial circuit protection, high interrupting rating fuse, low voltage fuse, blade terminal fuse

More Information
Manufacturer Part Number A4J30
Packed Quantity 10
Barcode 0782001960186
Height 57.2mm
Width 20.7mm
Depth 20.7mm
HS Code 85361050
Country of Manufacture Mexico
Manufacturer Mersen
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