Surface Mounted Pneumatic / Electric Switch with Factory Calibrated at 10 psi.

Overview

Pneumatic-electric switches convert a controller's pneumatic signal to electrical switching, providing start and stop control. Replacements available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell pneumatic/ electric switches.

Features

• 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.

Product Specifications

Application

Pneumatic / Electric Switch

Dimensions (in.)

5 3/8 in. high x 3 3/8 in. wide x 2 in. deep

Dimensions (mm)

137 mm high x 86 mm wide x 51 mm deep

Maximum Safe Operating Pressure (psi)

30 psi, maximum

Maximum Safe Operating Pressure (kPa)

207 kPa, maximum

Temperature Range (F)

40 F to 140 F

Temperature Range (C)

4 C to 66 C

Includes

Case

Comments

Factory Calibrated at 10 psi

Mounting

Surface (includes case)

Frequency

60 Hz

Approvals, Underwriters Laboratories Inc.

Category SDFY or SDFY2

Electrical Connections

Screw terminals

Operating Humidity Range (% RH)

5 to 95% RH, 80 F (27C) max wet bulb

Approvals, Canadian Underwriters Laboratories Inc.

Listed, Volume II

Differential Pressure Range (psi)

2 psi

Differential Pressure Range (kPa)

14 kPa

Switch Operation

Converts pneumatic signal to electrical switching action (SPDT)

Switching Action

Make R-W on pressure rise to setpoint plus differential,Make R-B on pressure fall to setpoint

Pilot Duty Ratings

750 VA @ 125, 250 or 277 Vac

Switch Type

Pneumatic/Electric Switch

Air connections

Barb fitting for 1/4 in. (6 mm) O.D. plastic tubing

Setpoint Range (psi)

Field Adjustable--2 to 24 psi

Setpoint Range (kPa)

Field Adjustable--14 to 165 kPa

Motor Load

1 hp @ 125 Vac, 2 hp @ 250 or 277 Vac

Resistive Load

25A @ 125, 250 or 480 Vac

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