We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
MERSEN FUSE 600V 20A CLASS J FUSE A4J20
MPN: A4J20
Special Price
£17.26
£14.38
Regular Price
£38.34
MERSEN FUSE 600V 20A CLASS J FUSE A4J20 is available to buy in increments of 10
Why Choose the Fuse A4J - Class J - Fast-Acting 600VAC 300VDC 20A Ferrule Amp-Trap®?
Engineered for precision circuit protection, the Fuse A4J20 features a robust fast-acting design, delivering superior short-circuit response at up to 600VAC or 300VDC. Its 20A current rating ensures optimal safeguarding of sensitive components in demanding industrial applications.
The ferrule construction enables easy installation and reliable connectivity, meeting rigorous Class J standards. This Amp-Trap® fuse is ideal for panel builders and OEMs seeking dependable overload and short-circuit defence in compact, high-performance systems.
Product Code: A4J20
Key Benefits
- Fast-acting fuse design for rapid short-circuit response
- High breaking capacity of 200 kA at AC voltage
- Dual voltage rating suitable for both AC (600 V) and DC (300 V) applications
- Reliable ferrule connection with tin-plated copper terminals
- Compact size with PolyTube insulating body for easy installation
- Meets Class J standards ensuring superior circuit protection
Compatibility
The Fuse A4J20 is compatible with standard Class J fuse holders and clips designed for low voltage UL/CSA fuses. It integrates seamlessly into industrial control panels, motor control centres, and OEM equipment requiring fast-acting circuit protection at 20 amps.
Applications
- Industrial motor control circuits
- Power distribution panels
- Overload and short-circuit protection in OEM machinery
- Control and automation systems
- Renewable energy installations requiring DC protection
Technical Specifications
- Item number: A4J20
- Description: Fuse A4J - Class J - Fast-Acting 600VAC 300VDC 20A Ferrule Amp-Trap®
- EAN/UPC Code: 782001960162
- Rated voltage AC UL: 600 V
- Rated voltage DC UL: 300 V
- Frequency (Hz): 50/60 Hz
- Ampere Rating: 20 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: Tin-Plated Copper
- Connection/Terminal Type: Ferrule
- Product Diameter: 20.7 mm
- Product Length: 57.2 mm
- Sell Pack Quantity: 10 EA
- Sell Pack Weight: 0.4627 kg
- Sell Pack Width: 60.5 mm
- Sell Pack Length: 108 mm
- Sell Pack Height: 42.9 mm
- Product group: Low Voltage UL/CSA Fuses
- Body/Insulating Material: PolyTube
- Product Weight: 0.044 kg
Frequently Asked Questions
What does Class J mean for this fuse?
Class J fuses are designed for high interrupting ratings and provide fast-acting protection for circuits up to 600 volts AC. They are commonly used in industrial and commercial applications requiring reliable circuit protection.
Can this fuse be used in DC circuits?
Yes, the Fuse A4J20 is rated for use in DC circuits up to 300 volts, making it suitable for certain DC applications such as renewable energy systems and battery protection.
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 without damage.
How is the fuse mounted?
This fuse is designed for clip mounting, allowing for easy installation and replacement in compatible fuse holders.
Common Search Terms
Class J fuse, fast-acting fuse 20A, 600V fuse, 300VDC fuse, Amp-Trap fuse, ferrule terminal fuse, industrial circuit protection, low voltage fuse, high interrupting rating fuse, panel fuse 20 amp
| Manufacturer Part Number | A4J20 |
|---|---|
| Packed Quantity | 10 |
| Barcode | 0782001960162 |
| Height | 57.2mm |
| Width | 20.7mm |
| Depth | 20.7mm |
| HS Code | 85361050 |
| Country of Manufacture | Mexico |
| Manufacturer | Mersen |
Write Your Own Review
