... The isolation of single phase ac voltage module naming rulesProduct appearance and size: Explanation:1, (1) (2) for the output, ... no polar requirements.3 COM, for in-house module, CON for control terminals, + 5 V for internal auxiliary power output, and ... adopt inverter, only fan of pumps, single phase motors in demand is not high occasion can single-phase ac voltage module4. The three single-phase ...