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MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 2.001 kA, 600 V AC - Time-Delay Bolt-On Fuses
MERSENTime-Delay Bolt-On Fuses

MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 2.001 kA, 600 V AC

The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY2001) is a bolt-on body fuse rated at 2.001 kA, 600 V AC, and 300 V DC. This time-delay fuse is designed for overcurrent protection in industrial…

SKU 3G-OTH-27283

Brand
MERSEN
Item
Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 2.001 kA, 600 V AC
Category
Time-Delay Bolt-On Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A4BY2001
Series
A4BY
Type
A4BY Series, Bolt-On Body, Time-Delay, 2.001 kA
AC
600 V
DC
300 V

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY2001) is a bolt-on body fuse rated at 2.001 kA, 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 A4BY2001 fuse used for?

The MERSEN A4BY2001 is a Class L time-delay bolt-on fuse used for overcurrent protection in industrial electrical systems. It handles high fault currents up to 2.001 kA at 600 V AC or 300 V DC, making it suitable for protecting feeders, switchgear, and heavy machinery in manufacturing and power distribution.

What are the specifications of the MERSEN A4BY2001 fuse?

The MERSEN A4BY2001 is a Class L, A4BY Series time-delay bolt-on fuse. It is rated at 2.001 kA, 600 V AC, and 300 V DC. The bolt-on body design ensures secure mounting in fuse holders. This MERSEN fuse provides reliable overcurrent protection for industrial electrical circuits.

Where to buy the MERSEN A4BY2001 fuse worldwide?

3G Electric supplies the MERSEN A4BY2001 fuse worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact 3G Electric for pricing and lead time on this MERSEN A4BY Series fuse.

How to select the correct MERSEN A4BY2001 fuse for an application?

To select the MERSEN A4BY2001, verify your system voltage (600 V AC or 300 V DC max) and ensure the continuous current rating matches your load. The time-delay characteristic handles inrush currents from motors or transformers. Confirm the bolt-on mounting style fits your fuse holder. Consult a qualified engineer for proper coordination.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

MERSEN 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.

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Cross-referenced by specification & description
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 2.2 kA, 600 V AC, 300 V DC (MPN A4BY2200)
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MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 2.2 kA, 600 V AC, 300 V DC (MPN A4BY2200)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 3.001 kA, 600 V AC, 300 V DC (MPN A4BY3001)
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MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 3.001 kA, 600 V AC, 300 V DC (MPN A4BY3001)
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MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.201 kA, 600 V AC, 300 V DC (MPN A4BY1201)
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MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 200 A, 600 V AC, 300 V DC (MPN A4BY200)

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