Fuse Amp-Trap® 600V 601A Time-Delay Class L A4BY Series

Fuse Amp-Trap® 600V 601A Time-Delay Class L A4BY Series The Fuse Amp-Trap® A4BY Series is a Class L, 600V rated time-delay fuse designed for protecting service entrance equipment, feeder circuits, circuit breakers, load centers, panelboards, switchboards, and metering centers. As a key component in electrical distribution, this fuse is suitable for use by electrical distributors and switchgear suppliers requiring reliable current-limiting protection with coordination for ground fault relays. The A4BY fuse supports continuous currents up to its ampere rating and features a 4-second minimum time delay at 500% rating to allow normal current surges to pass without nuisance interruptions. Specifications Amperage Rating: 601 A Voltage Rating: 600 VAC, 300 VDC Interrupt Rating: 200 kA Fuse Class: Class L Dimensions (L x W x H): 8.63 in x 2 in x 2 in Mounting Type: Bolted Connection: Blade Insulation Material: GMG Product Weight: 3.64 lbs Manufacturer: Mersen Manufacturer Part #: A4BY601 Features Current-limiting design to reduce fault energy and improve system protection 4-second time delay at 500% rating for coordination with ground fault relays and to pass normal surges Glass melamine body and plated terminals for superior reliability in harsh environments Unique dimensions prevent replacement by other fuse classes, ensuring proper fit and safety Blade stamped catalog numbers for permanent identification UL and CSA listed to applicable standards for safety and performance Downloads & Links Spec Sheet Curves 1 Spec Sheet FR Curves 2 Drawings