Midnight Solar 20 Amp 1,000VDC Fuse Volts: 1,000VDC; Amps: 10A IR: 20kA I.R. DC; MBC: 1.35 x In Approvals: UL Listed to Standard UL2579 File E333668, CSA Component Certified C22.2, IEC 60269-6 Approved All photovoltaic applications, PV string/array level protection, & In-line PV module protection Combiner box applications, Inverters, & Battery charge controllers Note: May be either Helio Protection Fuses or Amp-trap Fuses