Product Description Ferraz Shawmut Current Limiting Fuse model number A4BY4000. Rated at 4000 Amp. 600 VAC, and 200,000A IR. New/Surplus.
$295.00 A110UD73TTI1000 / K301056 / A110URD73TTI1000 - 1100VAC 1000A Fuse (Ferraz Shawmut, now Mersen)