MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 900 A, 600 V AC
The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY900) is a 900 A, 600 V AC, 300 V DC industrial fuse with a bolt-on body. This time-delay fuse is designed for overcurrent protection in electrical…
SKU 3G-OTH-27699
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Product Description
The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY900) is a 900 A, 600 V AC, 300 V DC industrial fuse with a bolt-on body. This time-delay fuse is designed for overcurrent protection in electrical distribution systems.
Frequently Asked Questions
What is the MERSEN A4BY900 fuse used for?
The MERSEN A4BY900 is a 900 A, 600 V AC, 300 V DC Class L time-delay bolt-on fuse used for overcurrent protection in industrial electrical distribution systems. It is designed to handle high-current circuits and provide reliable protection against short circuits and overloads in switchboards, panelboards, and motor control centers.
What are the specifications of the MERSEN A4BY900 fuse?
The MERSEN A4BY900 is a Class L time-delay bolt-on fuse rated at 900 A, 600 V AC, and 300 V DC. It is part of the A4BY Series and has a bolt-on body for secure mounting. The manufacturer part number is A4BY900. This fuse provides overcurrent protection in high-power electrical systems.
Where to buy the MERSEN A4BY900 fuse worldwide?
You can source the MERSEN A4BY900 fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. 3G Electric supplies genuine MERSEN fuses for industrial applications.
How to select the correct MERSEN A4BY900 fuse for an application?
To select the MERSEN A4BY900 fuse, verify that your circuit voltage does not exceed 600 V AC or 300 V DC and that the continuous load current is below 900 A. Ensure the bolt-on mounting matches your fuse holder. For time-delay applications, confirm that inrush currents are within the fuse's time-current curve. Consult a qualified engineer for coordination studies.
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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.
