Fuse Amp-Trap® 600V 1000A Time-Delay Class L A4BY Series

Fuse Amp-Trap® 600V 1000A Time-Delay Class L A4BY Series The Fuse Amp-Trap® A4BY Series is a UL/CSA listed Class L power fuse designed for protecting service entrance equipment, feeder circuits, and circuit breakers. It is rated for 600V and 1000A with a high interrupting rating of 200kA, suitable for use in mains feeders, load centers, panelboards, switchboards, and metering centers. This time-delay fuse allows coordination with ground fault relays by passing normal current surges due to its 4-second minimum time delay at 500% rating. It is an essential component for electrical distributors and switchgear suppliers focusing on reliable wire and cable protection and lighting solutions. Specifications Manufacturer: Mersen Manufacturer Part #: A4BY1000 Voltage Rating: 600VAC / 300VDC Amperage Rating: 1000 A Interrupting Rating: 200 kA Fuse Class: Class L Connection Type: Blade Mounting Type: Bolted Dimensions (L x W x H): 10.75 in x 2.5 in x 2.5 in Diameter: 2.5 inches Product Weight: 4.28 lbs Insulation Material: GMG (Glass Melamine) Features 100% rated device for continuous current up to ampere rating 4-second minimum time-delay at 500% rating for surge tolerance Current-limiting design to protect electrical systems Unique dimensions prevent replacement by other fuse classes Blade stamped catalog numbers for permanent identification Glass melamine body and plated terminals for superior reliability in harsh environments UL listed to standard 248-10 and CSA certified Downloads & Links Spec Sheet Curves 1 Spec Sheet FR Drawings Curves 2