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

Fuse Amp-Trap 2000® 600V 300A Time-Delay Class J AJT Series Smart-Spot The Amp-Trap 2000® AJT fuse is designed for motor circuits, mains feeders, branch circuits, lighting, heating, transformers, control panels, circuit breaker back-up, bus duct, and load centers. This time-delay Class J fuse provides IEC Type 2 no-damage protection with advanced material technology, ideal for electrical distributors and switchgear suppliers requiring reliable current-limiting and coordination in wire and cable applications. Its compact size requires only half the mounting space of traditional 600VAC Class RK fuses, supporting efficient lighting solutions and electrical distribution systems. Specifications Amperage Rating: 300 A Voltage Rating: 600 V AC Interrupt Rating: 200 kA Frequency: 50 hertz Fuse Class: Class J Connection: Blade Mounting Type: Bolted Diameter: 2.12 inches Insulation Material: GMG Product Weight: 0.5 lbs Manufacturer Part #: AJT300 Manufacturer: Mersen Features Available with SmartSpot visual open fuse indicator or non-indicating versions Time-delay characteristics suited for motor and transformer inrush currents Superior current-limiting ability to reduce peak currents Compact size enables smaller, cost-effective fuse holders UL and CSA listed, meeting IEC 60269-2-1 and NEC Class I Division 2 certifications Orange label for quick identification with engraved manufacturing date and catalog number High-quality fiberglass body ensures dimensional stability in industrial environments Silica sand filler provides rapid arc extinction Recommended for reducing arc flash energy and enhancing selective coordination Downloads & Links Spec Sheet FR Curves 2 Drawings Curves 1 Spec Sheet