Fuse Amp-Trap® 600V 700A Time-Delay Class L A4BY Series

Fuse Amp-Trap® 600V 700A Time-Delay Class L A4BY Series The Fuse Amp-Trap® A4BY Series is a Class L 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 and high-performance protection in mains feeders, load centers, panelboards, switchboards, and metering centers. The fuse features a 4-second minimum time delay at 500% rating to allow normal current surges and coordination with ground fault relays, making it ideal for continuous current applications up to its ampere rating. Specifications Voltage Rating: 600 VAC, 300 VDC Amperage Rating: 700 A Interrupt Rating: 200 kA Fuse Class: Class L Dimensions (L x W x H): 8.63 in x 2 in x 2 in Diameter: 2 inches Mounting Type: Bolted Connection Type: Blade Insulation Material: GMG (Glass Melamine) Product Weight: 3.64 lbs Manufacturer: Mersen Manufacturer Part Number: A4BY700 Features 100% rated device for continuous current application 4-second minimum time delay at 500% rating for surge tolerance and relay coordination Current-limiting design enhances system 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 and CSA listed to applicable standards for safety and performance Downloads & Links Spec Sheet Curves 1 Spec Sheet FR Curves 2 Drawings