MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 70 A, 600 V AC, 300 V DC
The MERSEN A4J Series is a fast-acting bolt-on fuse, Class J, with a blade body. It is rated for 70 A at 600 V AC and 300 V DC, and is non-indicating (MPN A4J70).
SKU 3G-OTH-25035
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The MERSEN A4J Series is a fast-acting bolt-on fuse, Class J, with a blade body. It is rated for 70 A at 600 V AC and 300 V DC, and is non-indicating (MPN A4J70).
Frequently Asked Questions
What is the MERSEN A4J70 fuse used for?
The MERSEN A4J70 is a fast-acting, Class J bolt-on fuse used for overcurrent protection in industrial equipment, motor control centers, and panelboards. It protects circuits rated up to 70 A at 600 V AC or 300 V DC, and its non-indicating design suits applications where visual blown-fuse indication is not required.
What are the specifications of the MERSEN A4J70 fuse?
The MERSEN A4J70 is a Class J, fast-acting, blade-body fuse rated for 70 A at 600 V AC and 300 V DC. It is non-indicating and part of the A4J series. The manufacturer part number is A4J70. This fuse is designed for bolt-on mounting and provides reliable overcurrent protection in industrial circuits.
Where to buy MERSEN A4J70 fuses worldwide?
3G Electric supplies the MERSEN A4J70 fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source genuine MERSEN components to support your maintenance and production needs.
How to select the correct MERSEN A4J70 fuse for an application?
To select the MERSEN A4J70, verify your circuit's voltage (600 V AC or 300 V DC max) and continuous current (70 A). Ensure the fuse holder accepts Class J blade-body fuses. For fast-acting protection, confirm the application requires no time delay. Always consult the equipment manual and follow local electrical codes.
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3G Electric supplies MERSEN fast-acting bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
