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MERSEN A4BY601 Time-Delay Bolt-On Fuse, 601 A, 600 V AC, 300 V DC - Time-Delay Bolt-On Fuses
MERSENTime-Delay Bolt-On Fuses

MERSEN A4BY601 Time-Delay Bolt-On Fuse, 601 A, 600 V AC, 300 V DC

The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY601) is a 601 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-current…

SKU 3G-OTH-27135

Brand
MERSEN
Item
A4BY601 Time-Delay Bolt-On Fuse, 601 A, 600 V AC, 300 V DC
Part Number
A4BY601
Category
Time-Delay Bolt-On Fuses
Available to Order
Also known as:A4BY601MERSEN
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Technical Specifications

MERSEN
Manufacturer Part Number
A4BY601
Series
A4BY
Type
A4BY Series, Bolt-On Body, Time-Delay, 601 A
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 A4BY601) is a 601 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-current electrical systems.

Frequently Asked Questions

What is the MERSEN A4BY601 fuse used for?

The MERSEN A4BY601 is a Class L time-delay bolt-on fuse used for overcurrent protection in high-current industrial electrical systems. It is commonly applied in switchboards, panelboards, and motor control centers where reliable fault isolation and coordination are required.

What are the specifications of the MERSEN A4BY601 fuse?

The MERSEN A4BY601 is a 601 A, 600 V AC, 300 V DC Class L time-delay fuse with a bolt-on body. It belongs to the A4BY series and carries the manufacturer part number A4BY601. This fuse is designed for high-current overcurrent protection in industrial power distribution.

Where to buy the MERSEN A4BY601 fuse worldwide?

3G Electric supplies the MERSEN A4BY601 fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Class L time-delay bolt-on fuse.

How to select the correct MERSEN A4BY fuse for my application?

To select the correct MERSEN A4BY fuse, verify your system's voltage (600 V AC or 300 V DC) and continuous current rating (601 A for the A4BY601). Ensure the bolt-on body matches your fuse holder. Consult a qualified engineer for coordination with upstream and downstream protective devices.

Used in

Common applications for MERSEN
Industrial control panels — Mersen USCC1 and USCC2 UL Class CC fuse blocks for DIN rail mounting and finger-safe branch circuit protection.
Motor starters — Mersen ATQ time-delay fuses and DAR0 R-rated fuses for motor overload and short-circuit protection.
Power supplies and instrumentation — Mersen GGM and GSB fast-acting cylindrical fuses for overcurrent protection in compact electronic circuits.
DC systems — Mersen A30QS very-fast-acting square fuses rated 300 V DC for semiconductor and DC equipment protection.
Medium-voltage distribution — Mersen DAR0 R-rated fuses rated 5.08 kV AC for general-purpose overcurrent protection with visual indication.
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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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