Fuse Amp-Trap 2000® 600V 1400A Time-Delay Class L A4BQ Series

Fuse Amp-Trap 2000® 600V 1400A 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 also supports circuit breaker back-up and DC applications including UPS DC links and battery disconnects. This fuse offers superior current-limiting performance and built-in time-delay to accommodate harmless inrush currents without nuisance openings, ensuring maximum protection of downstream components in industrial and commercial electrical systems. Specifications Amperage Rating: 1400 A Voltage Rating: 600 VAC, 500 VDC Interrupt Rating: 200 kA Fuse Class: Class L Dimensions (L x W x H): 10.75 in x 3 in x 3 in Diameter: 3 inches Mounting Type: Bolted Connection: Blade Insulation Material: GMG Product Weight: 5.97 lbs Manufacturer Part Number: A4BQ1400 Features 20% more current-limiting than other Class L fuses for superior protection 4-second time-delay at 500% rated current to accommodate inrush currents Fastest operation under short circuit conditions with up to 40% lower let-thru energy Self-certified UL witnessed 300kA interrupting rating for AC 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 Reduced inventory needs by replacing all older Class L fuse types Metal-embossed date and catalog number for traceability Fiberglass body for dimensional stability in harsh industrial environments High-grade silica filler for fast arc quenching Downloads & Links Drawings Spec Sheet Curves 1 Curves 3 Spec Sheet FR Curves 2