Optex, heating unit for: AX-100TF / 200TF, AX-70TN / 130TN / 200TN, SL200QN / 350QN / 650QN, SL 200QDM / 350QDM / 650QDM, SL 200QDP / 350QDP / 650QDP, pieces for 1 set, 24VDC / AC, 420mA max