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

3G Electric
MERSEN A4BY1601 Time-Delay Bolt-On Fuse, 1.601 kA, 600 V AC / 300 V DC - Time-Delay Bolt-On Fuses
MERSENTime-Delay Bolt-On Fuses

MERSEN A4BY1601 Time-Delay Bolt-On Fuse, 1.601 kA, 600 V AC / 300 V DC

The MERSEN A4BY Series Fuse is a Class L, time-delay bolt-on fuse with a current rating of 1.601 kA and voltage ratings of 600 V AC and 300 V DC. This MERSEN fuse, model A4BY1601, is designed for bolt-on mounting and…

SKU 3G-OTH-26741

Brand
MERSEN
Item
A4BY1601 Time-Delay Bolt-On Fuse, 1.601 kA, 600 V AC / 300 V DC
Part Number
A4BY1601
Category
Time-Delay Bolt-On Fuses
Available to Order
Also known as:A4BY1601MERSEN
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
A4BY1601
Series
A4BY
Type
A4BY Series, Bolt-On Body, Time-Delay, 1.601 kA
AC
600 V
DC
300 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 A4BY Series Fuse is a Class L, time-delay bolt-on fuse with a current rating of 1.601 kA and voltage ratings of 600 V AC and 300 V DC. This MERSEN fuse, model A4BY1601, is designed for bolt-on mounting and provides time-delay characteristics.

Frequently Asked Questions

What is the MERSEN A4BY1601 fuse used for?

The MERSEN A4BY1601 is a Class L time-delay bolt-on fuse rated 1.601 kA at 600 V AC or 300 V DC. It protects industrial power circuits, motor feeders, and transformers against overloads and short circuits, especially where high inrush currents occur.

What are the specifications of the MERSEN A4BY Series fuse?

The MERSEN A4BY Series fuse, model A4BY1601, is a Class L bolt-on time-delay fuse with a current rating of 1.601 kA, AC voltage rating of 600 V, and DC voltage rating of 300 V. It features a bolt-on body for secure mounting in industrial panels.

Where to buy MERSEN A4BY1601 worldwide?

3G Electric supplies the MERSEN A4BY1601 fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Class L time-delay fuse.

How to install a MERSEN A4BY bolt-on fuse?

Ensure the circuit is de-energized before installation. Align the MERSEN A4BY fuse's bolt-on body with the fuse holder, tighten the mounting bolts to the manufacturer's recommended torque, and verify the fuse rating matches the circuit requirements. Always follow local electrical codes.

Used in

Common applications for MERSEN
Industrial control panels — Mersen USCC1 and USCC2 UL Class CC fuse blocks for DIN rail mounting and finger-safe branch circuit protection.
Motor starters — Mersen ATQ time-delay fuses and DAR0 R-rated fuses for motor overload and short-circuit protection.
Power supplies and instrumentation — Mersen GGM and GSB fast-acting cylindrical fuses for overcurrent protection in compact electronic circuits.
DC systems — Mersen A30QS very-fast-acting square fuses rated 300 V DC for semiconductor and DC equipment protection.
Medium-voltage distribution — Mersen DAR0 R-rated fuses rated 5.08 kV AC for general-purpose overcurrent protection with visual indication.
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 →
Class L time-delay bolt-on fuse from the A4BQ Series. Rated for 1.9 kA at 600 V AC and 500 V DC. Provides overcurrent protection in industrial power distribution, motor control centers, and switchgear
MERSEN
Class L time-delay bolt-on fuse from the A4BQ Series. Rated for 1.9 kA at 600 V AC and 500 V DC. Provides overcurrent protection in industrial power distribution, motor control centers, and switchgear
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