We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
MERSEN A4BQ601 Time-Delay Bolt-On Fuse, 601 A, 600 V AC, 500 V DC - Time-Delay Bolt-On Fuses
MERSENTime-Delay Bolt-On Fuses

MERSEN A4BQ601 Time-Delay Bolt-On Fuse, 601 A, 600 V AC, 500 V DC

The MERSEN A4BQ601 is a Class L time-delay bolt-on fuse from the A4BQ Series, rated at 601 A, 600 V AC, and 500 V DC. This industrial fuse is designed for overcurrent protection in high-current electrical systems.

SKU 3G-OTH-27913

Brand
MERSEN
Item
A4BQ601 Time-Delay Bolt-On Fuse, 601 A, 600 V AC, 500 V DC
Part Number
A4BQ601
Category
Time-Delay Bolt-On Fuses
Available to Order
Also known as:A4BQ601MERSEN
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MERSEN
Manufacturer Part Number
A4BQ601
Series
A4BQ
Type
A4BQ Series, Bolt-On Body, Time-Delay, 601 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 A4BQ601 is a Class L time-delay bolt-on fuse from the A4BQ Series, rated at 601 A, 600 V AC, and 500 V DC. This industrial fuse is designed for overcurrent protection in high-current electrical systems.

Frequently Asked Questions

What is the MERSEN A4BQ601 fuse used for?

The MERSEN A4BQ601 is a Class L time-delay bolt-on fuse used for overcurrent protection in high-current electrical systems. It is rated at 601 A, 600 V AC, and 500 V DC, making it suitable for industrial power distribution, switchgear, and motor circuits requiring reliable fault isolation.

What are the specifications of the MERSEN A4BQ601?

The MERSEN A4BQ601 is a Class L time-delay bolt-on fuse from the A4BQ Series. It has a current rating of 601 A, voltage rating of 600 V AC and 500 V DC, and features a bolt-on body design. The manufacturer part number is A4BQ601, and it is built for high-current overcurrent protection.

Where to buy the MERSEN A4BQ601 worldwide?

You can source the MERSEN A4BQ601 fuse 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; we supply genuine MERSEN components for industrial applications.

How to select the correct MERSEN A4BQ601 fuse for an application?

To select the MERSEN A4BQ601, verify your system's voltage (600 V AC or 500 V DC) and continuous current (601 A). Ensure the fuse holder accepts a Class L bolt-on body. Consider time-delay characteristics for motor or transformer inrush. Consult MERSEN application guides for coordination with upstream protection devices.

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.
Not sure this is the right part? Photo-identify it

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

More from MERSEN

View all MERSEN parts
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
MERSEN
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

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first