MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 4,001 A, 600 V AC
The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY4001) is a 4,001 A, 600 V AC, 300 V DC industrial fuse with a bolt-on body. This time-delay fuse is designed for overcurrent protection in high-amperage…
SKU 3G-OTH-27343
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 A4BY4001) is a 4,001 A, 600 V AC, 300 V DC industrial fuse with a bolt-on body. This time-delay fuse is designed for overcurrent protection in high-amperage circuits.
Frequently Asked Questions
What is the MERSEN A4BY4001 fuse used for?
The MERSEN A4BY4001 is a Class L time-delay bolt-on fuse rated 4,001 A, 600 V AC, 300 V DC. It provides overcurrent protection in high-amperage industrial circuits, such as switchboards, panelboards, and motor control centers, where sustained overloads and short circuits must be safely interrupted.
What are the specifications of the MERSEN A4BY4001 fuse?
The MERSEN A4BY4001 is a Class L, A4BY Series time-delay bolt-on fuse. Key specs: 4,001 A, 600 V AC, 300 V DC. It features a bolt-on body for secure mounting in high-amperage applications. The time-delay characteristic allows temporary inrush currents without nuisance opening.
Where to buy the MERSEN A4BY4001 fuse worldwide?
3G Electric supplies the MERSEN A4BY4001 fuse worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this fuse to any country.
How to select the correct MERSEN A4BY4001 fuse for an application?
To select the MERSEN A4BY4001, verify your circuit's continuous current rating (4,001 A maximum), voltage (600 V AC or 300 V DC), and available fault current. Ensure the bolt-on mounting matches your fuse holder. The time-delay feature suits circuits with motor or transformer inrush. Consult a licensed engineer for coordination.
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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.
