Fuse Amp-Trap 2000® 250V 400A Time-Delay Class RK1 A2D Series Smart-Spot

Fuse Amp-Trap 2000® 250V 400A Time-Delay Class RK1 A2D Series Smart-Spot The Fuse Amp-Trap 2000® A2D-R series by Mersen is a time-delay, Class RK1 fuse designed for electrical distributors and switchgear suppliers to provide IEC Type 2 "no damage" protection. It is suitable for motors, safety switches, transformers, branch circuit protection, disconnects, control panels, and all general-purpose circuits. This fuse features a SmartSpot visual indicator for quick blown fuse identification and supports both AC and DC applications up to 250V. It offers current-limiting protection with a high interrupt rating to protect motor starters, switches, and circuit components while accommodating motor inrush currents. Specifications Amperage Rating: 400 A Voltage Rating: 250VAC/DC Interrupt Rating: 200 kA Fuse Class: Class RK1 Dimensions (L x W x H): 8.63 in x 2.06 in x 2.06 in Diameter: 2.06 inches Mounting Type: Clip Connection Type: Blade Insulation Material: PolyTube Product Weight: 1.64 lbs Manufacturer Part Number: A2D400R Features SmartSpot solid-state visual blown fuse indicator Time-delay for motor starting and transformer inrush currents without nuisance opening Dual rated for 600VAC and 600VDC applications Self-certified 300kA interrupting rating, UL witnessed Extremely current-limiting for low peak let-thru current Recommended for arc flash energy reduction Easy 2-to-1 selectivity to prevent nuisance shutdowns and blackouts Rejection-style design to prevent replacement errors when used with recommended fuse blocks High-visibility orange label for instant identification Reduces inventory by replacing Class RK5, K, and H fuses Fiberglass body for dimensional stability in harsh industrial environments Metal-embossed date and catalog number for traceability Downloads & Links Spec Sheet FR Spec Sheet Drawings