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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 350 A, 600 V AC - Time-Delay Bolt-On Fuses
MERSENTime-Delay Bolt-On Fuses

MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 350 A, 600 V AC

The MERSEN A4BQ350 is a Class L time-delay bolt-on fuse from the A4BQ series, rated at 350 A, 600 V AC, and 500 V DC. This bolt-on body fuse is designed for overcurrent protection in industrial electrical systems.

SKU 3G-OTH-26593

Brand
MERSEN
Item
Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 350 A, 600 V AC
Category
Time-Delay Bolt-On Fuses
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MERSEN
Manufacturer Part Number
A4BQ350
Series
A4BQ
Type
A4BQ Series, Bolt-On Body, Time-Delay, 350 A
AC
600 V
DC
500 V

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

Product Description

The MERSEN A4BQ350 is a Class L time-delay bolt-on fuse from the A4BQ series, rated at 350 A, 600 V AC, and 500 V DC. This bolt-on body fuse is designed for overcurrent protection in industrial electrical systems.

Frequently Asked Questions

What is the MERSEN A4BQ350 fuse used for?

The MERSEN A4BQ350 is a Class L time-delay bolt-on fuse rated 350 A, 600 V AC, and 500 V DC. It provides overcurrent protection in industrial electrical systems, such as motor circuits, feeders, and switchgear, where high interrupting capacity and time-delay characteristics are required.

What are the specifications of the MERSEN A4BQ350 fuse?

The MERSEN A4BQ350 is a Class L, A4BQ series, bolt-on body, time-delay fuse rated 350 A, 600 V AC, and 500 V DC. It features a bolt-on mounting style and is designed for overcurrent protection in industrial applications. The manufacturer part number is A4BQ350.

Where to buy the MERSEN A4BQ350 fuse worldwide?

3G Electric supplies the MERSEN A4BQ350 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this Class L time-delay bolt-on fuse.

How to select the correct MERSEN A4BQ350 fuse for an application?

To select the MERSEN A4BQ350, verify your system voltage (600 V AC or 500 V DC) and continuous current (350 A). Ensure the fuse's time-delay characteristic matches your load's inrush profile, such as motor starting. Confirm the bolt-on body fits your fuse holder. 3G Electric can help with application guidance.

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, 500 A, 600 V AC, 500 V DC (MPN A4BQ500)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 500 A, 600 V AC, 500 V DC (MPN A4BQ500)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 600 A, 600 V AC, 500 V DC (MPN A4BQ600)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 600 A, 600 V AC, 500 V DC (MPN A4BQ600)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 400 A, 600 V AC, 500 V DC (MPN A4BQ400)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 400 A, 600 V AC, 500 V DC (MPN A4BQ400)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 450 A, 600 V AC, 500 V DC (MPN A4BQ450)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 450 A, 600 V AC, 500 V DC (MPN A4BQ450)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 601 A, 600 V AC, 500 V DC (MPN A4BQ601)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 601 A, 600 V AC, 500 V DC (MPN A4BQ601)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 650 A, 600 V AC, 500 V DC (MPN A4BQ650)
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MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 650 A, 600 V AC, 500 V DC (MPN A4BQ650)

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