Fuse Amp-Trap® 600V 1100A Time-Delay Class L A4BY Series

Fuse Amp-Trap® 600V 1100A Time-Delay Class L A4BY Series The Fuse Amp-Trap® A4BY Series is a Class L time-delay fuse designed for protecting mains feeders, circuit breakers, load centers, panelboards, switchboards, and metering centers. Manufactured by Mersen, this fuse is rated for 600 volts and 1100 amperes with a 200 kA interrupting rating. It is engineered for continuous current applications up to its ampere rating and features a 4-second minimum time delay at 500% rating to allow normal current surges and coordination with ground fault relays. This makes it suitable for electrical distributors and switchgear suppliers seeking reliable protection in wire and cable systems and lighting solutions. Specifications Manufacturer: Mersen Manufacturer Part #: A4BY1100 Voltage Rating: 600 VAC / 300 VDC Amperage Rating: 1100 A Interrupting Rating: 200 kA Fuse Class: Class L Connection Type: Blade Mounting Type: Bolted Insulation Material: GMG 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 Features 100% rated device suitable for continuous current up to ampere rating 4-second minimum time delay at 500% rating to pass normal surges Current-limiting design enhances circuit protection Unique dimensions prevent replacement by other fuse classes Blade-stamped catalog numbers for permanent identification Glass melamine body and plated terminals for reliability in harsh environments UL listed and CSA certified for safety and compliance Downloads & Links Spec Sheet Curves 1 Spec Sheet FR Drawings Curves 2