Pressure Switch

Features

Specifications

• Inside Diameter:
  0.540 inches single connection
• Thread Length:
  0.750 inches single pressure connection
• Overall Height:
  4.969 inches
• Overall Width:
  2.750 inches
• Body Height:
  3.875 inches
• End Application:
  Used on johnston boiler model 509s-4pc onboard 378 ft coast guard vessels
• Pressure Switch Type:
  Differential
• Mounting Method:
  Inlet connection
• Thready Qty Per Inch (tpi):
  18 single pressure connection
• Contact Action Stimulus:
  Increase
• Proof Pressure:
  500.00 pounds per square inch
• Thread Size:
  0.250 inches single pressure connection
• Nonpile-up Contact Arrangement:
  1 pole, double throw, one position momentary
• Terminal Type:
  Screw
• Contact Load Current Rating:
  5.0 amperes resistive load single voltage
• Contact Adjustability:
  Deactuation point not adjustable, manual reset and actuation point adjustable, preset
• Contact Adjustment Range:
  +20.00/+300.00 actuation point pounds per square inch
• Contact Adjustment Type:
  External actuation point knob
• Contact Stimulus Rating:
  125.00 actuation point pounds per square inch and 20.00 differential point pounds per square inch
• Contact Voltage Rating In Volts:
  240.0 ac at sea level single voltage
• Pressure Connector Type:
  Plain, threaded internal single connection
• Frequency In Hertz:
  60.0 single voltage
• Media For Which Designed:
  Gas
• Style Designator:
  Rectangular
• Federal Supply Class (fsc):
  Switches
• National Stock Number (nsn):
  5930-01-145-9231