Series SJ3A6 is a vacuum release valve equipped with a restrictor to enable flow rate adjustment of release air.? This space saving series is 10mm wide, designed in a cassette type format and uses a card-edge type connector.? The SJ3A6 valves are compatible with Serial Interface units for both CC-Link and DeviceNet protocols.Plug-in connector type, non plug-in individual wiring Power saving circuit (continuous duty type) Rated voltage: 24VDC and 12VDC Connector entry: centralized wiring and individual wiring with or without lead wires PS port for detection: with or without plug