Why Choose the Mersen AJT30 Class J Time-Delay Fuse?
The Mersen AJT30 is a premium Class J time-delay fuse designed to provide dependable overcurrent protection for industrial electrical systems. Part of the trusted Mersen Amp-Trap 2000® AJT series, it delivers outstanding current-limiting performance while accommodating temporary motor starting and transformer inrush currents. This makes it an excellent choice for protecting industrial equipment, machinery and electrical distribution systems.
Manufactured using advanced fuse technology, the AJT30 helps minimise equipment damage during fault conditions while reducing nuisance fuse operations. Its compact Class J footprint requires significantly less installation space than comparable Class RK fuses, making it ideal for modern electrical control panels where space is at a premium.
With a 30 A current rating and a 600 V AC / 400 V DC rating, the AJT30 is suitable for motor branch circuits, transformers, feeders and industrial control applications. Its ferrule design enables straightforward installation into compatible Class J fuse holders and disconnect switches.
Key Advantages
- Compact Class J time-delay fuse for industrial overcurrent protection.
- 30 A current rating suitable for a wide range of industrial applications.
- 600 V AC / 400 V DC voltage rating.
- Time-delay characteristics reduce nuisance operation caused by inrush currents.
- Excellent current-limiting performance helps protect electrical equipment.
- Compact footprint saves valuable control panel space.
Key Features
- Mersen Amp-Trap 2000® AJT series.
- 30 A ampere rating.
- 600 V AC / 400 V DC rated voltage.
- Class J time-delay fuse construction.
- Ferrule mounting design.
- 200 kA AC interrupting rating.
- Available with SmartSpot® visual open fuse indication.
- Suitable for IEC Type 2 No Damage protection.
Reliable Protection for Industrial Electrical Systems
The Mersen AJT30 is engineered to provide reliable overload and short-circuit protection while safely accommodating temporary inrush currents generated by motors and transformers. Its advanced current-limiting design helps reduce thermal and mechanical stress on electrical equipment, improving reliability and reducing downtime.
The compact Class J design makes this fuse ideal for OEM equipment, industrial control panels, switchboards and power distribution systems where dependable protection and efficient use of panel space are essential.
Typical Applications
- Motor branch circuit protection.
- Industrial control panels.
- Transformer protection.
- Main and feeder circuits.
- OEM machinery and automation equipment.
- Industrial power distribution systems.
