Plug-in relay 4 changeover contacts, without test bracket DC 24 V, for LZS socket Plug-in relay SIRIUS LZX as a single module in combination with plug-in socket LZS for galvanic isolation, contact multiplication, for switching small loads and as potential switching.The plug-in relays enable a flexible design of the complete device and can be easily replaced.Individual modules are available in the RT, PT and MT designs as well as in various coil voltages.SIRIUS relay - a program for all cases.