Fuse Amp-Trap 2000® 600V 2500A Time-Delay Class L A4BQ Series

Fuse Amp-Trap 2000® 600V 2500A Time-Delay Class L A4BQ Series The Fuse Amp-Trap 2000® A4BQ Series is a Class L time-delay fuse designed for electrical distributors and switchgear suppliers requiring reliable protection for mains feeders, large motors, lighting, heating, and general loads. It offers superior current-limiting performance, minimizing short circuit let-thru current to protect downstream components. This fuse is also rated for DC applications such as UPS DC links and battery disconnects, making it a versatile solution in wire and cable protection and lighting solutions. Specifications Amperage Rating: 2500 A Voltage Rating: 600 V AC, 500 V DC Interrupt Rating: 200 kA Fuse Class: Class L Dimensions (L x W x H): 10.75 in x 4.5 in x 4.5 in Diameter: 4.5 inches Mounting Type: Bolted Connection: Blade Insulation Material: GMG Product Weight: 22.15 lbs Manufacturer Part #: A4BQ2500 Features 20% more current limiting than other Class L fuses, reducing let-thru currents and energy Built-in 4-second time-delay at 500% rated current to accommodate harmless inrush currents without nuisance opening Fastest operation under short circuit conditions with up to 40% lower clearing I²t than comparable fuses Self-certified 300kA interrupting rating with UL witnessed testing Pure silver links for lowest let-thru current and extended fuse life Rejection-style design to prevent replacement errors High-visibility orange label for instant brand recognition Metal-embossed date and catalog number for traceability Fiberglass body ensures dimensional stability in harsh industrial environments High-grade silica filler for fast arc quenching Downloads & Links Curves 3 Spec Sheet Curves 1 Curves 2 Spec Sheet FR Drawings