We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 100 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, 100 A, 600 V AC

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
Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 100 A, 600 V AC
Category
Time-Delay Bolt-On Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MERSEN Products
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.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 150 A, 600 V AC, 500 V DC (MPN A4BQ150)
MERSEN
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 150 A, 600 V AC, 500 V DC (MPN A4BQ150)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 300 A, 600 V AC, 500 V DC (MPN A4BQ300)
MERSEN
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 300 A, 600 V AC, 500 V DC (MPN A4BQ300)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 500 A, 600 V AC, 500 V DC (MPN A4BQ500)
MERSEN
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)
MERSEN
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, 1 kA, 600 V AC, 500 V DC (MPN A4BQ1000)
MERSEN
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 1 kA, 600 V AC, 500 V DC (MPN A4BQ1000)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 400 A, 600 V AC, 500 V DC (MPN A4BQ400)
MERSEN
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 400 A, 600 V AC, 500 V DC (MPN A4BQ400)

More from MERSEN

View all MERSEN parts
MERSEN Forklift Limiter Fuse: ACK Series, Bolt-On, Gen Purpose, 30 A, 125 V DC, Non-Indicating (MPN ACK30)
MERSEN
MERSEN Forklift Limiter Fuse: ACK Series, Bolt-On, Gen Purpose, 30 A, 125 V DC, Non-Indicating (MPN ACK30)
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 750 A, 600 V AC, 500 V DC (MPN A4BQ750)
MERSEN
MERSEN Fuse: Class L, A4BQ Series, Bolt-On Body, Time-Delay, 750 A, 600 V AC, 500 V DC (MPN A4BQ750)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 750 A, 600 V AC, 300 V DC (MPN A4BY750)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 750 A, 600 V AC, 300 V DC (MPN A4BY750)
MERSEN Forklift Limiter Fuse: CNL Series, Bolt-On, Gen Purpose, 200 A, 80 V DC, Indicating, AC/DC (MPN CNL200)
MERSEN
MERSEN Forklift Limiter Fuse: CNL Series, Bolt-On, Gen Purpose, 200 A, 80 V DC, Indicating, AC/DC (MPN CNL200)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 650 A, 600 V AC, 300 V DC (MPN A4BY650)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 650 A, 600 V AC, 300 V DC (MPN A4BY650)
MERSEN Forklift Limiter Fuse: CNL Series, Bolt-On, Gen Purpose, 400 A, 80 V DC, Indicating, AC/DC (MPN CNL400)
MERSEN
MERSEN Forklift Limiter Fuse: CNL Series, Bolt-On, Gen Purpose, 400 A, 80 V DC, Indicating, AC/DC (MPN CNL400)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.6 kA, 600 V AC, 300 V DC (MPN A4BY1600)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 1.6 kA, 600 V AC, 300 V DC (MPN A4BY1600)
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 3 kA, 600 V AC, 300 V DC (MPN A4BY3000)
MERSEN
MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 3 kA, 600 V AC, 300 V DC (MPN A4BY3000)