Fuse Amp-Trap 2000® 600V 3000A Time-Delay Class L A4BQ Series

Fuse Amp-Trap 2000® 600V 3000A Time-Delay Class L A4BQ Series The Amp-Trap 2000® A4BQ fuse is a Class L time-delay fuse designed for high-current electrical protection in mains, feeders, large motors, lighting, heating, and general loads. It is also suitable for circuit breaker back-up and DC rated applications such as UPS DC links and battery disconnects. This fuse provides superior current-limiting performance, reducing short circuit let-thru current to protect downstream components, making it a reliable choice for electrical distributors, lighting solutions providers, wire and cable specialists, and switchgear suppliers. Specifications Voltage Rating: 600VAC, 500VDC Amperage Rating: 3000 A Interrupt Rating: 200 kA AC, 100 kA DC (self-certified, UL witnessed for 600VAC, 300kA IR) Fuse Class: Class L Connection Type: Blade Mounting Type: Bolted Dimensions: Length 10.75 in, Width 5 in, Height 5 in, Diameter 5 in Insulation Material: GMG Product Weight: 18.39 lbs Manufacturer: Mersen Manufacturer Part Number: A4BQ3000 Features 20% more current-limiting than other Class L fuses, providing enhanced short circuit protection 4-second built-in time-delay at 500% of rated current to accommodate harmless inrush currents without nuisance opening Fastest operation under short circuit conditions with up to 40% lower let-thru energy (I2t) Pure silver links for lowest let-thru current and longer fuse life Self-certified 300kA interrupting rating with UL witnessed tests Recommended for Arc Flash energy reduction Rejection-style design to prevent replacement errors High-visibility orange label for instant brand recognition Compatible replacement for all older Class L fuse types, reducing inventory requirements Metal-embossed date and catalog number for traceability and lasting identification Fiberglass body for dimensional stability in harsh industrial environments High-grade silica filler ensures fast arc quenching Downloads & Links Curves 3 Spec Sheet Curves 1 Curves 2 Spec Sheet FR Drawings