50A 500Vac/450Vdc AC Max I.R./Breaking Capacity: I1 25 kA High speed fuse APPLICATIONS: Protection of DC drives, UPS and other equipment of 500 volts or less APPROVALS & STANDARDS: UL Recognized Component UL File 60314 AC/DC: UL Guide No. JFHR2

A50P Amp-Trap Form 101 high-speed fuses were developed for DC drives, uninterruptable power supplies and similar applications requiring better protection (lower I2t) and superior reliability. The A50P is typically used for replacement.