A4BY3001, Mersen, formerly Ferraz Shawmut, Fuses, UL Class L Fuses, FUSE

Item# A4BY3001 - FUSE

• 200~6000 Amps
• 600 VAC
• 300 VDC
• Center Bolted
• UL, CSA Approvals

When it comes to protecting service entrance equipment, feeder circuits, and circuit breakers, A4BY fuses have been the industry's favorite. The A4BY is a 100% rated device and may be applied at continuous currents up to its ampere rating. A 4‑second minimum time delay at 500% rating allows the A4BY to pass normal current surges and to coordinate with ground fault relays.