Expansion module with 8 conventional wired zones for LightSYS™ and ProSYS™ Plus. EN50131 GRADE 3 certificate. Allows the extension of 8 wired zones. Number of expanders that can be added: 3 expanders in LightSYS™, 5 expanders in LightSYS™ 2, 32 expanders in ProSYS™ Plus. Connection to BUS. Max. distance: 300m. Consumption: 20mA (typical), 29mA (max).