Why Choose the Mersen AJT3-1/2N Class J Time-Delay Fuse?
The Mersen AJT3-1/2N is a premium Class J time-delay fuse engineered to deliver dependable overcurrent protection for industrial electrical systems. As part of the proven Mersen Amp-Trap 2000® AJT series, it provides excellent current-limiting performance while allowing temporary motor starting and transformer inrush currents, making it ideal for protecting industrial machinery, control panels and power distribution equipment.
Designed using advanced fuse technology, the AJT3-1/2N helps minimise equipment damage during fault conditions while reducing unnecessary fuse operations. Its compact Class J footprint requires significantly less installation space than comparable Class RK fuses, making it an excellent solution for modern industrial control panels where space efficiency is essential.
With a 3.5 A current rating and a 600 V AC / 500 V DC rating, the AJT3-1/2N is well suited to industrial control circuits, motor branch circuits, transformers and feeder applications. The ferrule construction allows quick installation into compatible Class J fuse holders and disconnect switches.
Key Advantages
- Compact Class J time-delay fuse for industrial circuit protection.
- 3.5 A current rating for precision circuit protection.
- 600 V AC / 500 V DC voltage rating.
- Time-delay characteristics reduce nuisance operation caused by motor and transformer inrush currents.
- Excellent current-limiting performance helps protect valuable electrical equipment.
- Compact footprint saves valuable panel space.
Key Features
- Mersen Amp-Trap 2000® AJT series.
- 3.5 A ampere rating.
- 600 V AC / 500 V DC rated voltage.
- Class J time-delay fuse construction.
- Ferrule mounting design.
- 200 kA AC interrupting rating.
- Suitable for IEC Type 2 No Damage protection.
- Compact industrial design for reliable circuit protection.
Reliable Protection for Industrial Electrical Systems
The Mersen AJT3-1/2N provides dependable protection against overloads and short circuits while safely accommodating temporary inrush currents generated by motors and transformers. Its advanced current-limiting design helps reduce thermal and mechanical stress on connected equipment, improving system reliability and reducing maintenance costs.
Its compact Class J construction makes it an excellent choice for OEM equipment, industrial machinery, electrical control panels and power distribution systems requiring dependable overcurrent protection in a space-saving format.
Typical Applications
- Industrial control panels.
- Motor branch circuit protection.
- Transformer protection.
- OEM machinery and automation systems.
- Power distribution equipment.
- General industrial electrical installations.
