Product Details
- Temperature Range40 to 140 °F
Description
Pneumatic-electric switches (P658A,B,E and F) used to convert a pneumatic signal from a controller to an electrical switching action (SPDT) to provide start and stop control of equipment such as fans and pumps. Replacement devices available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell pneumatic/ electric switches.
- Models available for surface or panel mounting
- Barb protected by open cage
- All ferrous parts plated to prevent corrosion
- Factory calibrated setpoint field adjustable to meet job requirements
- Neoprene diaphragm element
- Description: Surface Mounted Pneumatic / Electric Switch with Factory Calibrated at 10 psi
- Switch Type: Pneumatic/Electric Switch
- Switching Action: Make R-B on pressure fall to setpoint
- Switching Action: Make R-W on pressure rise to setpoint plus differentia
- Switch Operation: Converts pneumatic signal to electrical switching action (SPDT)
- Air Connections: Barb fitting for 1/4 in. (6 mm) O.D. plastic tubing
- Electrical Connections: Screw terminals
- Frequency: 60 Hz
- Maximum Safe Operating Pressure (psi): 30 psi
- Differential Pressure Range (psi): 2 psi
- Motor Load: 1 hp @ 125 Vac, 2 hp @ 250 or 277 Vac
- Pilot Duty Ratings: 750 VA @ 125, 250 or 277 Vac
- Resistive Load: 25A @ 125, 250 or 480 Vac
- Setpoint Range (Field Adjustable) (psi): 2 to 24 psi
- Calibration: Factory Calibrated at 10 psi
- Mounting: Surface (includes case)
- Operating Humdity Range: 5 to 95% RH, 80 F (27C) max wet bulb
- Temperature Range: 40 F to 140 F
- Dimensions: 5 3/8 in. high x 3 3/8 in. wide x 2 in. deep