Barber Colman Pneumatic Electric Relay w/ SPDT Switch

The 2368 Series Electric Pneumatic Relays are 3-way, 2-position, electrically activated air valve for use in pneumatic control systems where the application requires a variety of switching, diverting, or interlocking functions, actuated by an electrical circuit. The 2368-500, 501, 502, and 503 have one SPDT pneumatic circuit that they switch, while the 2368-520, 521, 522 and 523 are designed with DPDT pneumatic switching (two independent SPDT pneumatic circuits).