Phoenix Contact – RIF-2-RPT-LV-120AC/4X21/EX
 Relay Module – RIF-2-RPT-LV-120AC/4X21/EX – 2909740; Pre-assembled relay module consisting of: relay base, function plug-in module, power contact relay, and retaining bracket, approval in accordance with ATEX/IECEx (Zone 2) and Ex Zone Class I, Div. 2, Push-in connection, 4 PDTs, Input voltage: 120 V AC