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 250A CLASS J FUSE A4J250
MPN: A4J250
Special Price
£196.76
£163.97
Regular Price
£437.26
Why Choose the Fuse A4J - Class J - Fast-Acting 600VAC 300VDC 250A Blade Amp-Trap®?
The A4J250 is engineered for rapid response to short-circuit events, safeguarding sensitive components and minimising equipment downtime. Its Class J fast-acting design ensures precise circuit protection for demanding industrial and commercial power distribution systems.
With a robust 250A current rating and dual voltage capability (600VAC/300VDC), this blade-style fuse delivers reliable performance and easy installation. Trust the Amp-Trap® technology for superior current limitation and consistent protection in critical applications.
Technical Specifications
- Item number: A4J250
- Description: Fuse A4J - Class J - Fast-Acting 600VAC 300VDC 250A Blade Amp-Trap®
- EAN/UPC Code: 782001960391
- Rated voltage AC UL: 600 V
- Rated voltage DC UL: 300 V
- Frequency (Hz): 50/60 Hz
- Ampere Rating: 250 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: A4J250
Key Benefits
- Fast-acting fuse design ensures rapid interruption of fault currents.
- High breaking capacity of 200 kA for reliable short-circuit protection.
- Dual voltage rating supports both AC (600 V) and DC (300 V) applications.
- Blade terminal type allows for easy and secure installation.
- Durable construction with brass alloy terminals and GMG insulating body.
- Compact dimensions (54 mm diameter, 181.1 mm length) fit standard fuse holders.
Compatibility
The A4J250 fuse is compatible with standard Class J fuse holders and clips designed for blade-style fuses in industrial and commercial electrical systems. It integrates seamlessly with low voltage UL/CSA fuse panels and distribution equipment requiring fast-acting overcurrent protection.
Applications
- Industrial motor control circuits
- Commercial power distribution panels
- Lighting and HVAC systems protection
- Renewable energy inverter protection
- General machinery and equipment safeguarding
Frequently Asked Questions
What does Class J fuse mean?
Class J fuses are a category of low voltage fuses designed for fast-acting protection with high interrupting ratings, typically used in industrial and commercial applications.
Can this fuse be used for DC circuits?
Yes, the A4J250 fuse is rated for both AC (600 V) and DC (300 V) applications, making it suitable for DC circuits within its voltage rating.
What is the significance of the 200 kA breaking capacity?
The 200 kA breaking capacity indicates the maximum fault current the fuse can safely interrupt without damage, ensuring reliable protection in high fault current environments.
Is this fuse reusable after it blows?
No, once the fuse has operated to clear a fault, it must be replaced to restore circuit protection.
Common Search Terms
Class J fuse, fast-acting fuse, 250A blade fuse, 600VAC fuse, 300VDC fuse, Amp-Trap fuse, industrial circuit protection, high breaking capacity fuse, low voltage fuse, blade terminal fuse
| Manufacturer Part Number | A4J250 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 0782001960391 |
| Height | 181.1mm |
| Width | 54mm |
| Depth | 54mm |
| HS Code | 85361090 |
| Country of Manufacture | Mexico |
| Manufacturer | Mersen |
Write Your Own Review
