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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1 kA, 600 V AC - Time-Delay Bolt-On Fuses
MERSENTime-Delay Bolt-On Fuses

MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1 kA, 600 V AC

The MERSEN A4BQ Series Class L Time-Delay Bolt-On Fuse (MPN A4BQ1000) is a 1 kA, 600 V AC, 500 V DC industrial fuse with a bolt-on body. This time-delay fuse is designed for overcurrent protection in electrical circuits.

SKU 3G-OTH-27031

Brand
MERSEN
Item
Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1 kA, 600 V AC
Category
Time-Delay Bolt-On Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A4BQ1000
Series
A4BQ
Type
A4BQ Series, Bolt-On Body, Time-Delay, 1 kA
AC
600 V
DC
500 V

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

Product Description

The MERSEN A4BQ Series Class L Time-Delay Bolt-On Fuse (MPN A4BQ1000) is a 1 kA, 600 V AC, 500 V DC industrial fuse with a bolt-on body. This time-delay fuse is designed for overcurrent protection in electrical circuits.

Frequently Asked Questions

What is the MERSEN A4BQ1000 fuse used for?

The MERSEN A4BQ1000 is a Class L time-delay bolt-on fuse rated 1 kA, 600 V AC, 500 V DC. It provides overcurrent protection in industrial electrical circuits, such as motor feeders, transformers, and main disconnects, where high interrupting capacity and delayed response to inrush currents are required.

What are the specifications of the MERSEN A4BQ1000 fuse?

The MERSEN A4BQ1000 is a Class L, A4BQ Series, bolt-on body, time-delay fuse rated 1 kA, 600 V AC, 500 V DC. It is designed for high-current industrial overcurrent protection. The manufacturer part number is A4BQ1000, and it is manufactured by MERSEN.

Where to buy the MERSEN A4BQ1000 fuse worldwide?

3G Electric supplies the MERSEN A4BQ1000 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this Class L time-delay bolt-on fuse.

How to select the correct MERSEN A4BQ1000 fuse for an application?

To select the MERSEN A4BQ1000, verify your circuit voltage (600 V AC or 500 V DC max) and continuous current (1 kA). Ensure the bolt-on mounting matches your fuse holder. This time-delay fuse handles inrush currents typical of motors and transformers. Consult a qualified engineer for coordination studies.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1.4 kA, 600 V AC, 500 V DC (MPN A4BQ1400)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1.4 kA, 600 V AC, 500 V DC (MPN A4BQ1400)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1.35 kA, 600 V AC, 500 V DC (MPN A4BQ1350)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1.35 kA, 600 V AC, 500 V DC (MPN A4BQ1350)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1.2 kA, 600 V AC, 500 V DC (MPN A4BQ1200)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1.2 kA, 600 V AC, 500 V DC (MPN A4BQ1200)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 900 A, 600 V AC, 500 V DC (MPN A4BQ900)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1.8 kA, 600 V AC, 500 V DC (MPN A4BQ1800)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1.8 kA, 600 V AC, 500 V DC (MPN A4BQ1800)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 800 A, 600 V AC, 500 V DC (MPN A4BQ800)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 800 A, 600 V AC, 500 V DC (MPN A4BQ800)

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