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MERSEN A4BQ100 Time-Delay Bolt-On Fuse, 100 A, 600 V AC, 500 V DC - Time-Delay Bolt-On Fuses
MERSENTime-Delay Bolt-On Fuses

MERSEN A4BQ100 Time-Delay Bolt-On Fuse, 100 A, 600 V AC, 500 V DC

The MERSEN A4BQ Series Class L Time-Delay Bolt-On Fuse (MPN A4BQ100) is a 100 A, 600 V AC, 500 V DC industrial fuse with a bolt-on body. It provides time-delay overload protection for electrical circuits.

SKU 3G-OTH-26982

Brand
MERSEN
Item
A4BQ100 Time-Delay Bolt-On Fuse, 100 A, 600 V AC, 500 V DC
Part Number
A4BQ100
Category
Time-Delay Bolt-On Fuses
Available to Order
Also known as:A4BQ100MERSEN
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MERSEN
Manufacturer Part Number
A4BQ100
Series
A4BQ
Type
A4BQ Series, Bolt-On Body, Time-Delay, 100 A
AC
600 V
DC
500 V

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN A4BQ Series Class L Time-Delay Bolt-On Fuse (MPN A4BQ100) is a 100 A, 600 V AC, 500 V DC industrial fuse with a bolt-on body. It provides time-delay overload protection for electrical circuits.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MERSEN A4BQ100 fuse used for?

The MERSEN A4BQ100 is a Class L time-delay bolt-on fuse used for overload protection in industrial electrical circuits. It is commonly applied in feeder circuits, panelboards, and switchgear where high interrupting capacity and delayed response to temporary inrush currents are required.

What are the specifications of the MERSEN A4BQ100 fuse?

The MERSEN A4BQ100 is a 100 A, 600 V AC, 500 V DC Class L time-delay fuse with a bolt-on body. It is part of the A4BQ series and carries the manufacturer part number A4BQ100. It provides reliable overload protection for industrial power distribution systems.

Where to buy MERSEN A4BQ100 fuses worldwide?

You can source MERSEN A4BQ100 fuses through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this MERSEN fuse.

How to select the correct MERSEN A4BQ100 fuse for an application?

To select the correct MERSEN A4BQ100 fuse, verify the circuit voltage (600 V AC or 500 V DC) and continuous current rating (100 A). Ensure the bolt-on mounting matches your panel or switchgear. The time-delay characteristic is suitable for circuits with motor or transformer inrush currents.

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.
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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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The MERSEN ACL60 is a 60 A, 125 V DC time-delay bolt-on fuse from the ACL series. It is a non-indicating, general-purpose fuse designed for overcurrent protection in circuits requiring a bolt-on connection. Typical applications include industrial equipment and power systems where time-delay characteristics help accommodate inrush currents
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The MERSEN ACL60 is a 60 A, 125 V DC time-delay bolt-on fuse from the ACL series. It is a non-indicating, general-purpose fuse designed for overcurrent protection in circuits requiring a bolt-on connection. Typical applications include industrial equipment and power systems where time-delay characteristics help accommodate inrush currents

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