Pneumatic Selector Relay, transmits higher of two input pressures

Electrically operated pneumatic switches used to interlock an electrical system and a pneumatic control system. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices. Features Usable as a diverting relay, a selector relay, or a stop and bleed relay. Mount and operate in any position. Available with lead wires or junction box. Line or low voltage models available. SpecificationsType: Electric / Pneumatic RelayOperation: Energized: ports 1 and 3 connected, port 2 blockedOperation: De-energized: ports 2 and 3 connected, port 1 blockedAirflow Usage: 0.42 scfm (200 mL/s) at 20 psi (138 kPa) supply with 1 psi (7 kPa) pressure dropCapacity: 0.075 Cv minimumAir Connections: Barbed fitting for 1/4 in. O.D. plastic tubingElectrical Connections: 15 in. (380 mm) leadsFrequency: 50 HzMounting: PanelOperating Humidity Range: 5 to 95% RHDimensions: 2-7/8 in. high x 1-3/4 in. wide x 1-1/4 in. deepTemperature Range: 0 F to 100 FIncludes: Junction Box