Panel Mounted Pneumatic / Electric Switch. No Factory Calibration.

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.)

3 1/4 in. high x 2 7/8 in. wide x 1 1/2 in. deep

Dimensions (mm)

83 mm high x 73 mm wide x 38 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 60 C

Comments

No Factory Calibration

Mounting

Panel, through double D hole secured with hex nut

Frequency

60 Hz

Approvals, Underwriters Laboratories Inc.

Category SDFY or SDFY2

Electrical Connections

1/4 in. quick-connect male terminals

Operating Humidity Range (% RH)

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

Approvals, Canadian Underwriters Laboratories Inc.

Listed, Volume I

Differential Pressure Range (psi)

1 psi

Differential Pressure Range (kPa)

7 kPa

Switch Operation

Converts pneumatic signal to electrical switching action (SPDT)

Switching Action

Make COM-NO on pressure rise to setpoint plus differential,Make COM-NC on pressure fall to setpoint

Pilot Duty Ratings

720 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 17 psi

Setpoint Range (kPa)

Field Adjustable--14 to 117 kPa

Motor Load

3/4 hp @ 125, 250 or 277 Vac

Resistive Load

25A @ 125, 250 or 277 Vac; 10A @ 480 Vac

This item has no supplemental files.