MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 801 A, 600 V AC
The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY801) is a bolt-on body fuse rated at 801 A, 600 V AC, and 300 V DC. This time-delay fuse is designed for overcurrent protection in industrial electrical…
SKU 3G-OTH-27142
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY801) is a bolt-on body fuse rated at 801 A, 600 V AC, and 300 V DC. This time-delay fuse is designed for overcurrent protection in industrial electrical systems.
Frequently Asked Questions
What is the MERSEN A4BY801 fuse used for?
The MERSEN A4BY801 Class L time-delay bolt-on fuse provides overcurrent protection in industrial electrical systems. It is rated 801 A, 600 V AC, and 300 V DC, making it suitable for high-current branch circuits, feeders, and equipment protection in manufacturing plants and power distribution.
What are the specifications of the MERSEN A4BY801 fuse?
The MERSEN A4BY801 is a Class L, A4BY Series time-delay bolt-on fuse. Key specs: 801 A current rating, 600 V AC, 300 V DC, bolt-on body design. It is manufactured by MERSEN under part number A4BY801 and is designed for reliable overcurrent protection in industrial environments.
Where to buy the MERSEN A4BY801 fuse worldwide?
3G Electric supplies the MERSEN A4BY801 fuse to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this MERSEN A4BY Series fuse for your project.
How to select the correct MERSEN A4BY801 fuse for an application?
To select the MERSEN A4BY801, verify your system voltage (600 V AC or 300 V DC max) and continuous load current (801 A). Ensure the bolt-on mounting matches your fuse holder. This time-delay fuse handles inrush currents, so confirm your circuit's starting load does not exceed its time-current curve.
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Common applications for MERSENMERSEN Products
3G Electric supplies MERSEN time-delay bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
