Fuse Amp-Trap 2000® 600V 350A Time-Delay Class J AJT Series Smart-Spot

The Fuse Amp-Trap 2000® AJT Series is designed for reliable protection of motor circuits, mains feeders, branch circuits, lighting, heating, transformers, control panels, and load centers. This Class J fuse offers IEC Type 2 no damage protection with advanced material technology, providing superior current-limiting capability and time-delay characteristics ideal for motor and transformer inrush currents. Its compact size requires only half the mounting space compared to 600VAC Class RK fuses, making it suitable for use by electrical distributors and switchgear suppliers in industrial and commercial electrical installations.

Specifications

• Amperage Rating: 350 A
• Voltage Rating: 600 V AC
• Frequency: 50 hertz
• Interrupt Rating: 200 kA
• Fuse Class: Class J
• Dimensions (L x W x H): 7.13 in x 2.12 in x 2.12 in
• Diameter: 2.12 inches
• Mounting Type: Bolted or Clip
• Connection Type: Blade
• Product Weight: 1.79 lbs
• Insulation Material: GMG
• Manufacturer Part #: AJT350

Features

• Available with or without SmartSpot visual open fuse indicator
• IEC Type 2 no damage protection for main, feeder, and branch circuits
• Time-delay characteristics optimized for motor starts and transformer inrush currents
• Compact size reduces mounting space requirements by half compared to Class RK fuses
• Superior current-limiting ability reduces peak let-through current
• Durable fiberglass body ensures dimensional stability in industrial environments
• High-quality silica sand for rapid arc extinction
• Orange label for quick identification
• Engraved manufacturing date and catalog number for traceability

Downloads & Links

• Spec Sheet FR
• Curves 2
• Drawings
• Curves 1
• Spec Sheet