Honeywell 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. Specifications Type: Electric / Pneumatic Relay Operation: Energized: ports 1 and 3 connected, port 2 blocked Operation: De-energized: ports 2 and 3 connected, port 1 blocked Airflow Usage: 0.42 scfm (200 mL/s) at 20 psi (138 kPa) supply with 1 psi (7 kPa) pressure drop Capacity: 0.075 Cv minimum Air Connections: Barbed fitting for 1/4 in. O.D. plastic tubing Electrical Connections: 15 in. (380 mm) leads Frequency: 50 Hz Mounting: Panel Operating Humidity Range: 5 to 95% RH Dimensions: 2-7/8 in. high x 1-3/4 in. wide x 1-1/4 in. deep Temperature Range: 0 F to 100 F Includes: Junction Box