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Overview

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.

Product Specifications

Application
Electric / Pneumatic Relay
Airflow Usage
0.42 scfm (200 mL/s) at 20 psi (138 kPa) supply with 1 psi (7 kPa) pressure drop
Dimensions (in.)
2 7/8 in. high x 3 13/16 in. wide x 1 1/4 in. deep
Dimensions (mm)
73 mm high x 97 mm wide x 32 mm deep
Maximum Safe Operating Pressure (psi)
50 psi, maximum
Maximum Safe Operating Pressure (kPa)
340 kPa, maximum
Temperature Range (F)
0 F to 100 F
Temperature Range (C)
-18 C to +38 C
Includes
Junction Box
Mounting
Surface
Frequency
50 Hz; 60 Hz
Approvals, Underwriters Laboratories Inc.
Component Recognized File: MP1502, Vol. 11, Sec. 1,UL Listed: Guide Y10Z
Approvals, Canadian Standards Association
Listed: File No. LR50900
Electrical Connections
Junction Box and 15 in. (380 mm) leads
Operating Humidity Range (% RH)
5 to 95% RH
Voltage
220 Vac at 50 Hz; 240 Vac at 60 Hz
Approvals, Canadian Underwriters Laboratories Inc.
Listed: File No. LR50900
Air connections
Barbed fitting for 1/4 in. O.D. plastic tubing
Capacity
0.075 Cv minimum
Operation
Energized: ports 1 and 3 connected, port 2 blocked,De-energized: ports 2 and 3 connected, port 1 blocked
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