Fuse Amp-Trap 2000® 600V 300A Time-Delay Class J AJT Series

Fuse Amp-Trap 2000® 600V 300A Time-Delay Class J AJT Series The Amp-Trap 2000® AJT fuse is designed for reliable protection of motor circuits, mains feeders, branch circuits, lighting, heating, general loads, transformers, control panels, circuit breaker backup, bus duct, and load centers. This Class J time-delay fuse offers IEC Type 2 no damage protection with advanced material technology, providing superior current-limiting capability while occupying half the mounting space of comparable 600VAC Class RK fuses. Its time-delay characteristics are optimized for motor and transformer inrush currents, making it suitable for demanding electrical distributor and switchgear supplier applications. Specifications Amperage Rating: 300 A Voltage Rating: 600 V AC Interrupt Rating: 200 kA Frequency: 50 hertz Fuse Class: Class J Connection Type: Blade Mounting Type: Bolted or Clip Dimensions (L x W x H): 7.13 in x 2.12 in x 2.12 in Diameter: 2.12 inches Product Weight: 1.79 lbs Insulation Material: GMG Manufacturer Part Number: AJT300N Manufacturer: Mersen 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 ideal for motor starting and transformer inrush currents Superior current limiting reduces peak let-through currents Compact size reduces fuse holder space and enables economical installations UL and CSA listed, meeting rigorous safety and performance standards Orange label for quick identification and engraved manufacturing date and catalog number for traceability Fiberglass body ensures dimensional stability in industrial environments High-quality silica sand provides rapid arc extinction Recommended for reducing arc flash energy and suitable for use in hazardous Class I Division 2 environments Downloads & Links Spec Sheet FR Curves 2 Spec Sheet Curves 1