MERSEN A4BY1201 Time-Delay Bolt-On Fuse, 1.201 kA, 600 V AC, 300 V DC
The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY1201) is a bolt-on body fuse rated at 1.201 kA, 600 V AC, and 300 V DC. This time-delay fuse from MERSEN is designed for overcurrent protection in…
SKU 3G-OTH-27176
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Product Description
The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY1201) is a bolt-on body fuse rated at 1.201 kA, 600 V AC, and 300 V DC. This time-delay fuse from MERSEN is designed for overcurrent protection in industrial electrical systems.
Frequently Asked Questions
What is the MERSEN A4BY1201 fuse used for?
The MERSEN A4BY1201 is a Class L time-delay bolt-on fuse used for overcurrent protection in industrial electrical systems. It handles high fault currents up to 1.201 kA at 600 V AC or 300 V DC, making it suitable for motor circuits, transformers, and main feeder protection in manufacturing and process plants.
What are the specifications of the MERSEN A4BY1201 fuse?
The MERSEN A4BY1201 is a Class L, A4BY Series, bolt-on body, time-delay fuse rated at 1.201 kA, 600 V AC, and 300 V DC. It is manufactured by MERSEN under part number A4BY1201. The bolt-on design ensures secure mounting in fuse holders or disconnects for industrial power distribution.
Where to buy the MERSEN A4BY1201 fuse worldwide?
3G Electric supplies the MERSEN A4BY1201 fuse worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact 3G Electric for pricing and lead time on this A4BY Series time-delay fuse.
How to select the correct MERSEN A4BY Series fuse for an application?
Select the MERSEN A4BY Series fuse based on system voltage (600 V AC or 300 V DC), continuous current rating (1.201 kA for the A4BY1201), and time-delay characteristics for motor or transformer inrush. Always verify the bolt-on body dimensions match your fuse holder. 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.
