PT-PB800, PT-PB870, PT-PBXXX (X=0 to 9 means marketing purposeonly, not technical difference)
IEC 62321-1:2013 IEC 62321-3-1:2013IEC 62321-4:2017 IEC 62321-5:2013IEC 62321:6-2015 IEC 62321-7-1:2015IEC 62321-7-2:2017 IEC 62321-8:2017