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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 5 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, 5 kA, 600 V AC

The MERSEN A4BQ Series Class L Time-Delay Bolt-On Fuse (MPN A4BQ5000) is a bolt-on body fuse rated at 5 kA, 600 V AC, and 500 V DC. This time-delay fuse from MERSEN is designed for overcurrent protection in…

SKU 3G-OTH-27725

Brand
MERSEN
Item
Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 5 kA, 600 V AC
Category
Time-Delay Bolt-On Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A4BQ5000
Series
A4BQ
Type
A4BQ Series, Bolt-On Body, Time-Delay, 5 kA
AC
600 V
DC
500 V

Technical Documents

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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 A4BQ5000) is a bolt-on body fuse rated at 5 kA, 600 V AC, and 500 V DC. This time-delay fuse from MERSEN is designed for overcurrent protection in industrial electrical systems.

Frequently Asked Questions

What is the MERSEN A4BQ5000 fuse used for?

The MERSEN A4BQ5000 is a Class L time-delay bolt-on fuse used for overcurrent protection in industrial electrical systems. It handles high-energy faults in switchgear, motor control centers, and distribution panels, providing reliable protection for equipment operating at 600 V AC or 500 V DC.

What are the specifications of the MERSEN A4BQ5000 fuse?

The MERSEN A4BQ5000 is a Class L, A4BQ Series, bolt-on body, time-delay fuse rated at 5 kA interrupting capacity. It operates at 600 V AC and 500 V DC. The bolt-on design ensures secure mounting in industrial fuse holders, and the time-delay characteristic handles temporary inrush currents without nuisance opening.

Where to buy MERSEN A4BQ5000 fuses worldwide?

3G Electric supplies MERSEN A4BQ5000 fuses to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Class L time-delay bolt-on fuse for your overcurrent protection needs.

How to select the right MERSEN A4BQ5000 fuse for an application?

To select the MERSEN A4BQ5000, verify your system voltage does not exceed 600 V AC or 500 V DC, and ensure the available fault current is within the 5 kA interrupting rating. The time-delay characteristic suits motor or transformer circuits with high inrush. Confirm the bolt-on body fits your existing fuse holder dimensions.

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, 1.9 kA, 600 V AC, 500 V DC (MPN A4BQ1900)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1.9 kA, 600 V AC, 500 V DC (MPN A4BQ1900)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 3 kA, 600 V AC, 500 V DC (MPN A4BQ3000)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 3 kA, 600 V AC, 500 V DC (MPN A4BQ3000)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 4 kA, 600 V AC, 500 V DC (MPN A4BQ4000)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 2.5 kA, 600 V AC, 500 V DC (MPN A4BQ2500)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 2.5 kA, 600 V AC, 500 V DC (MPN A4BQ2500)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 2.501 kA, 600 V AC, 500 V DC (MPN A4BQ2501)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 2.501 kA, 600 V AC, 500 V DC (MPN A4BQ2501)

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