Fuse Amp-Trap® 600V 4000A Time-Delay Class L A4BY Series

Fuse Amp-Trap® 600V 4000A Time-Delay Class L A4BY Series The Fuse Amp-Trap® A4BY Series is a Class L, 600V, 4000A time-delay fuse designed for protecting service entrance equipment, feeder circuits, and circuit breakers. This product is suitable for electrical distributors and switchgear suppliers requiring reliable current limiting and coordination with ground fault relays. It is applicable in mains feeders, load centers, panelboards, switchboards, and metering centers. Specifications Amperage Rating: 4000 A Interrupt Rating: 200 kA Voltage Rating: 600 VAC, 300 VDC Fuse Class: Class L Connection: Blade Mounting Type: Bolted Dimensions (L x W x H): 10.75 in x 5.75 in x 5.75 in Diameter: 5.75 inches Product Weight: 27.12 lbs Insulation Material: GMG (Glass Melamine) Manufacturer Part #: A4BY4000 Features 100% rated device for continuous current up to ampere rating 4-second minimum time-delay at 500% rating to pass normal current surges Current-limiting design for enhanced circuit protection Unique dimensions prevent replacement by other fuse classes Blade stamped catalog numbers for permanent identification Glass melamine body and plated terminals provide 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