Fuse Amp-Trap 2000® 600V 800A Time-Delay Class L A4BQ Series

Fuse Amp-Trap 2000¬Æ 600V 800A Time-Delay Class L A4BQ Series The Fuse Amp-Trap 2000 A4BQ Series by Mersen is a Class L time-delay fuse designed for high-performance electrical protection in mains, feeders, large motors, lighting, heating, and general loads. It is suitable for use as circuit breaker back-up and DC rated applications such as UPS DC links and battery disconnects. This fuse offers enhanced current limiting capabilities to protect service entrance equipment and downstream components from short circuit let-thru currents, making it a reliable choice for electrical distributors, lighting solutions, wire and cable, and switchgear suppliers. Specifications Amperage Rating: 800 A Voltage Rating: 600 V AC Interrupt Rating: 200 kA Fuse Class: Class L Mounting Type: Bolted Connection: Blade Diameter: 2 inches Product Weight: 0.5 lbs Insulation Material: GMG Manufacturer Part #: A4BQ800 Manufacturer: Mersen Features 20% more current limiting than other Class L fuses, reducing let-thru current and energy 4-second built-in 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 300kA interrupting rating (self-certified, UL witnessed tests) Recommended for Arc Flash energy reduction Pure silver links for lowest let-thru current and longer fuse life Easy 2-to-1 selectivity to prevent nuisance shutdowns and blackouts Rejection-style design prevents replacement errors High-visibility orange label for instant brand recognition Reduced inventory needs by replacing older types of Class L fuses Metal-embossed date and catalog number for traceability and lasting identification Fiberglass body ensures dimensional stability in harsh industrial environments High-grade silica filler provides fast arc quenching Optional mechanical trigger actuator (TA) indicator available for remote blown fuse indication Downloads & Links Curves 3 Spec Sheet Curves 1 Drawings Curves 2 Spec Sheet FR