Product Details
- Voltage125/250/277 VAC
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 differential.
- 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: Panel Mount.
- 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.