142P NEMA 4 & 13 Ultra Low Vacuum Switches

Ultra low pressure and vacuum switches. Unique construction using efficient Nega-Rate® Belleville disc spring for stable set points and high proof pressure. Wide range of wetted materials makes these vacuum switches well suited for applications that formerly required the use of diaphragm seals.

Specifications

• Electrical: Snap action electrical switch recognized by Underwriters’ Laboratories, Inc. and CSA International
• Electrical Connection: 1/2 NPT female conduit connection with terminal block
• Pressure Connection: 1/2 NPT Female
• Temperature Range*:
  • Ambient: -40°F to +180°F (-40°C to +82°C)
  • Media: -50°F to +250°F (-46°C to +121°C)
    *Temperature limits change with O-Ring selection
• Adjustment: Concealed wrench flat adjustment with range scale
• Shipping Weight: Approximately 3.5 pounds