Fuse Amp-Trap 2000® 600V 700A 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 seeking advanced protection solutions. It is ideal for applications including mains, feeders, large motors, lighting, heating, general loads, circuit breaker back-up, and DC-rated uses such as UPS DC links and battery disconnects. This fuse offers superior current limiting to protect downstream circuit components against short circuit let-thru current.

Specifications

• Amperage Rating: 700 A
• Voltage Rating: 600 VAC / 500 VDC
• Interrupt Rating: 200 kA
• Fuse Class: Class L
• Connection: Blade
• Mounting Type: Bolted
• Dimensions (L x W x H): 8.63 in x 2 in x 2 in
• Diameter: 2 inches
• Product Weight: 3.77 lbs
• Insulation Material: GMG
• Manufacturer Part #: A4BQ700
• Manufacturer: Mersen

Features

• 20% more current-limiting than other Class L fuses for enhanced protection
• 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 let-thru currents typically 20% lower and let-thru energy up to 40% lower than other Class L fuses
• Self-certified 300kA interrupting rating with UL witnessed tests
• 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 and lasting identification
• Fiberglass body providing dimensional stability in harsh industrial environments
• High-grade silica filler ensures fast arc quenching
• Easy 2-to-1 selectivity to prevent nuisance shutdowns and blackouts
• Reduced inventory requirements by replacing older types of Class L fuses

Downloads & Links

• Curves 3
• Spec Sheet
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• Drawings
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• Spec Sheet FR