Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
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.
£102.26
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
Tick the specs you need, then view products that match.
| Fuse Indication | Visual indicator | |
|---|---|---|
| Current | 110 A | |
| Voltage | 600 V | |
| Fuse Type | UL class | |
| Fuse Class | Time delay | |
| 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 |
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.
