SIOV metal oxide varistors Strap varistors, HighE, standard, LS50 series Series/Type: B722* Date: April 2011 EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited. EPCOS AG is a TDK Group Company.Strap varistors B722* HighE, standard, LS50 series Construction Round varistor element Coating: epoxy resin, flame-retardant to UL 94 V-0 Bolt-holed strap terminals for screw fixing or soldering Bent or straight strap terminals Features Maximum load capacity with minimum size High surge current up to 75 kA Wide operating voltage range 130 550 V RMS Approvals UL CSA Delivery mode Vacuum-packed styrofoam box General technical data Climatic category to IEC 60068-1 40/85/56 Operating temperature to CECC 42 000 25 ... + 85 C Storage temperature 25 ... +110 C Electric strength to CECC 42 000 2.5 kV RMS Insulation resistance to CECC 42 000 10 M Response time < 25 ns Please read Cautions and warnings and Page 2 of 12 Important notes at the end of this document.