MERSEN FUSE 600V 110A CLASS J TD FUSE AJT110

MERSEN FUSE 600V 110A CLASS J TD FUSE AJT110

The AJT110 time-delay fuse delivers reliable circuit protection for demanding industrial environments, supporting up to 600VAC and 500VDC at 110A with SmartSpot® visual indication and advanced arc-quenching.

SKU: AJT110MPN: AJT110
Price
List Price £204.52 ex VAT
Your Price (ex VAT)
£204.52
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £204.52
Trade pricing is personalised to your account

Manufacturer Lead Time

£204.52

Why Choose the Mersen AJT110 Class J Time-Delay Fuse?

The Mersen AJT110 is a heavy-duty Class J time-delay fuse engineered to provide superior overcurrent protection for industrial power distribution systems. As part of the proven Amp-Trap 2000® AJT series, it combines outstanding current-limiting performance with time-delay characteristics that accommodate motor starting and transformer inrush currents while delivering dependable protection against overloads and short circuits.

Designed for demanding industrial and commercial installations, the AJT110 helps protect valuable electrical equipment, minimises downtime and supports reliable system operation. Its compact Class J construction occupies approximately half the panel space required by many Class RK fuse installations while maintaining high interrupting performance.

Rated at 110 A with a 600 V AC / 400 V DC rating, the AJT110 is ideal for branch circuits, feeders, motor circuits, transformers, control panels and industrial machinery where dependable circuit protection is essential.

Key Advantages

  • Compact Class J time-delay fuse for industrial electrical protection.
  • 110 A current rating for demanding power distribution applications.
  • 600 V AC / 400 V DC rated voltage.
  • Time-delay characteristics reduce nuisance operation caused by motor and transformer inrush currents.
  • Excellent current-limiting performance helps reduce equipment damage during fault conditions.
  • Space-saving Class J design simplifies panel layouts.

Key Features

  • Mersen Amp-Trap 2000® AJT series.
  • 110 A current rating.
  • 600 V AC / 400 V DC voltage rating.
  • Class J time-delay fuse.
  • Blade mounting configuration.
  • Current-limiting design.
  • Suitable for branch, feeder and motor circuit protection.
  • Designed for industrial and commercial electrical systems.

Reliable Protection for Industrial Electrical Systems

The AJT series delivers advanced overload and short circuit protection while allowing temporary inrush currents associated with motors, transformers and other inductive loads. Its current-limiting technology helps minimise thermal and mechanical stress on downstream equipment, improving safety and reducing maintenance costs.

Widely specified by electrical engineers, OEM manufacturers and panel builders, the AJT110 offers dependable protection for modern industrial power distribution and automation systems.

Typical Applications

  • Industrial control panels.
  • Motor branch circuits.
  • Power distribution systems.
  • Transformer protection.
  • OEM machinery and automation equipment.
  • Electrical feeders and switchboards.

Technical Specifications

Current 110 A
Voltage 600 V
Item number AJT110
Description Fuse AJT - Class J - Time-delay 600VAC 500VDC 110A Blade SmartSpot® Amp-Trap 2000®
EAN/UPC Code 782001962630
Rated voltage AC UL 600 V
Rated voltage DC UL 500 V
Frequency (Hz) 50/60 Hz
Ampere Rating 110 A
AC or DC AC/DC
Fuse Class Class J
Speed/Characteristic Time Delay
Mounting Clip or Bolted
AC Max I.R./Breaking Capacity I1: 200 kA
Indication System Yes
Indication System Type SmartSpot®
Connection/Terminal Material Brass
Connection/Terminal Type Blade
Product Diameter 41.3 mm
Product Length 146 mm
Sell Pack Quantity 1 EA
Sell Pack Weight 0.3629 kg
Sell Pack Width 42.9 mm
Sell Pack Length 42.9 mm
Sell Pack Height 152.4 mm
Product group Low Voltage UL/CSA Fuses
Body/Insulating Material GMG
Product Weight 0.3465 kg
HS Code 85361090
Country of Manufacture Mexico
Fuse Type UL class
Fuse Class Time delay

Frequently Asked Questions

What is the Mersen AJT110 used for?

It protects industrial electrical systems, branch circuits, motors, transformers and power distribution equipment against overloads and short circuits.

What is the current rating of the AJT110?

The AJT110 has a 110 A current rating.

What voltage is the fuse rated for?

The fuse is rated for 600 V AC and 400 V DC.

Does the AJT110 have a fuse status indicator?

Yes. The AJT110 incorporates a SmartSpot visual open fuse indicator to assist with maintenance and fuse identification.

Where is the AJT110 typically installed?

It is commonly installed in industrial switchboards, electrical distribution systems, motor control centres, control panels and OEM machinery.

Trusted by Electrical Professionals Worldwide

Mersen Amp-Trap 2000® Class J fuses are trusted by electrical engineers, industrial maintenance teams and OEM manufacturers for delivering exceptional current-limiting performance, reliable overcurrent protection and long service life.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...