Fuse Amp-Trap 2000® 600V 3500A Time-Delay Class L A4BQ Series

The Amp-Trap 2000® A4BQ fuse is a Class L time-delay fuse designed for superior current-limiting protection in electrical distribution systems. It is suitable for applications including mains, feeders, large motors, lighting, heating, general loads, and circuit breaker back-up. This fuse is also rated for DC use in UPS DC links, battery disconnects, and other DC applications. As a product from a leading switchgear supplier, it provides enhanced protection for service entrance equipment and downstream components, minimizing short circuit let-thru current and accommodating harmless inrush currents with a built-in 4-second time-delay feature.

Specifications

• Amperage Rating: 3500 A
• Voltage Rating: 600 V AC
• Interrupt Rating: 200 kA
• Fuse Class: Class L
• Connection Type: Blade
• Mounting Type: Bolted
• Dimensions: 10.75 in (Length) x 5.75 in (Width) x 5.75 in (Height)
• Insulation Material: GMG
• Product Weight: 2.5 lbs
• Manufacturer Part Number: A4BQ3500

Features

• 20% more current-limiting than other Class L fuses for superior protection
• 4-second time-delay at 500% of rated current to prevent nuisance openings during inrush
• Fastest operation under short circuit conditions with up to 40% lower let-thru energy
• 300kA interrupting rating, self-certified with UL witnessed tests
• Pure silver links for lowest let-thru current and extended fuse life
• Recommended for Arc Flash energy reduction
• Rejection-style design to prevent replacement errors
• High-visibility orange label for instant brand recognition
• Fiberglass body for dimensional stability in harsh industrial environments
• Metal-embossed date and catalog number for traceability

Downloads & Links

• Spec Sheet
• Curves 1
• Spec Sheet FR
• Drawings
• Curves 2
• Curves 3