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MERSEN FUSE 600V 300A CLASS J FUSE A4J300
MPN: A4J300
Special Price
£172.27
£143.56
Regular Price
£382.82
Why Choose the Fuse A4J - Class J - Fast-Acting 600VAC 300VDC 300A Blade Amp-Trap®?
The A4J300 is engineered for rapid response to overloads and short-circuits, safeguarding critical circuits in demanding industrial environments. Its Class J performance ensures high current-limiting capability and reliable interruption at both 600VAC and 300VDC, minimising equipment downtime.
This fast-acting fuse supports a robust 300A rating, with a durable blade design for secure, straightforward installation. Trusted Amp-Trap® technology provides consistent protection, making it an optimal choice for panel builders, OEMs, and maintenance professionals seeking superior circuit 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
Product Code: A4J300
Key Benefits
- Fast-acting response to protect sensitive equipment from overloads and short circuits.
- High breaking capacity of 200 kA ensures reliable interruption under fault conditions.
- Dual voltage rating for AC (600 V) and DC (300 V) applications.
- Durable brass alloy blade terminals provide secure and corrosion-resistant connections.
- Compact design with GMG insulating body for easy installation in panel boards.
- Trusted Amp-Trap® technology offers consistent and repeatable circuit protection.
Compatibility
The A4J300 fuse is compatible with standard Class J fuse holders and clips designed for blade-type terminals. It is suitable for use in low voltage UL/CSA fuse panels and systems requiring fast-acting protection at 300 amps. Ideal for integration in industrial control panels, motor circuits, and power distribution units.
Applications
- Industrial motor control circuits
- Power distribution panels
- OEM equipment requiring fast-acting circuit protection
- Panel building and electrical maintenance
- Protection of sensitive electronic devices and control systems
Frequently Asked Questions
What does Class J fuse mean?
Class J fuses are a type of current-limiting fuse designed to provide high interrupting ratings and fast-acting protection, typically used in industrial and commercial electrical systems.
Can this fuse be used for both AC and DC circuits?
Yes, the A4J300 fuse is rated for use in both AC circuits up to 600 V and DC circuits up to 300 V.
What is the breaking capacity of this fuse?
The fuse has a maximum interrupting rating of 200 kA at rated voltage, ensuring it can safely interrupt high fault currents.
Is the fuse suitable for motor protection?
Yes, its fast-acting characteristic and Class J rating make it suitable for protecting motor circuits and other sensitive equipment.
Common Search Terms
A4J fuse, Class J fuse 300A, fast-acting blade fuse, 600VAC fuse, 300VDC fuse, Amp-Trap fuse, industrial circuit protection, motor control fuse, high interrupting capacity fuse
| Manufacturer Part Number | A4J300 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 0782001960414 |
| Height | 181.1mm |
| Width | 54mm |
| Depth | 54mm |
| HS Code | 85361090 |
| Country of Manufacture | Mexico |
| Manufacturer | Mersen |
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