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MERSEN FUSE 600V 40A CLASS J FUSE A4J40
MPN: A4J40
Special Price
£28.08
£23.40
Regular Price
£62.40
MERSEN FUSE 600V 40A CLASS J FUSE A4J40 is available to buy in increments of 10
Why Choose the Fuse A4J - Class J - Fast-Acting 600VAC 300VDC 400A Blade Amp-Trap®?
The Fuse A4J40 delivers reliable, fast-acting circuit protection for critical industrial applications, rated for 600VAC and 300VDC with a 400A capacity. Its Class J blade-type design ensures easy installation and consistent performance in demanding environments.
This Amp-Trap® fuse is engineered for rapid response to overloads and short circuits, minimising equipment damage and downtime. It is ideal for safeguarding motors, drives, control panels, and other high-value assets requiring dependable high-interrupting protection.
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
Product Code: A4J400
Key Benefits
- Fast-acting response minimises equipment damage and downtime.
- High interrupting rating of 200 kA ensures reliable protection under fault conditions.
- Blade-type terminals allow for quick and secure installation.
- Compatible with both AC and DC circuits up to 600VAC and 300VDC.
- Durable construction with brass alloy terminals and GMG insulating body.
Compatibility
This fuse is compatible with Class J fuse holders and clips designed for blade-type fuses. It is suitable for integration into motor control centres, industrial control panels, and various electrical distribution systems requiring Class J fast-acting protection.
Applications
- Protection of industrial motors and motor drives.
- Safeguarding control panels and distribution boards.
- Use in variable frequency drives and power conversion equipment.
- General industrial electrical circuit protection requiring high interrupting capacity.
Frequently Asked Questions
What does Class J fuse mean?
Class J fuses are a category of low-voltage fuses designed for industrial and commercial applications, offering high interrupting ratings and fast-acting characteristics to protect electrical circuits.
Can this fuse be used on both AC and DC circuits?
Yes, the Fuse A4J40 is rated for use on both AC (up to 600V) and DC (up to 300V) circuits.
What is the breaking capacity of this fuse?
The fuse has a maximum interrupting rating of 200 kA at AC voltage, ensuring it can safely interrupt high fault currents.
How is this fuse installed?
The fuse uses blade-type terminals and is mounted using clips for quick and secure installation in compatible fuse holders.
Common Search Terms
Class J fuse, fast acting fuse, 400A fuse, 600VAC fuse, 300VDC fuse, blade fuse, Amp-Trap fuse, industrial circuit protection, high interrupting rating fuse
| Manufacturer Part Number | A4J40 |
|---|---|
| Packed Quantity | 10 |
| Barcode | 0782001960223 |
| Height | 60.5mm |
| Width | 27mm |
| Depth | 27mm |
| HS Code | 85361050 |
| Country of Manufacture | Mexico |
| Manufacturer | Mersen |
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