1156-1

Technical Characteristics

• Overall Length

  3.500 inches maximum

• Longest Vertical Distance Between Mounting Centers

  2.375 inches nominal

• Mounting Method

  bracket and unthreaded hole

• Features Provided

  electrical access port

• Contact Action Stimulus

  decrease

• Proof Pressure

  360.00 pounds per square inch gage

• Contact Load Current Rating

  10.0 amperes resistive load and 10.0 amperes inductive load

• Contact Stimulus Rating

  10.00 actuation point nominal pounds per square inch gage and 5.00 deactuation point nominal pounds per square inch gage and 5.00 differential point nominal pounds per square inch gage

• Contact Voltage Rating In Volts

  30.0 dc at sea level

• Thread Series Designator

  unf

• Thread Class

  3a

• Outside Diameter

  0.438 inches nominal

• Overall Height

  3.130 inches nominal

• Overall Width

  1.630 inches nominal

• Body Diameter

  2.500 inches maximum

• Unthreaded Mounting Hole Diameter

  0.191 inches nominal

• Longest Horizontal Distance Between Mounting Centers

  0.875 inches nominal

• Pressure Switch Type

  gage

• Operating Temp Rating

  m65.0 deg fahrenheit minimum and 600.0 deg fahrenheit maximum

• Thread Quantity Per Inch

  20

• Nominal Thread Size

  0.438 inches

• Mounting Facility Pattern

  four position rectangular

• Nonpile-Up Contact Arrangement

  1 pole,single throw,normally closed,momentary action

• Sensing Element Burst Pressure

  480.00 pounds per square inch gage

• Terminal Type

  screw

• Contact Load Current Rating

  6.0 amperes inductive load

• Contact Adjustability

  deactuation point not adjustable and actuation point not adjustable

• Contact Voltage Rating In Volts

  30.0 dc at altitude

• Pressure Connector Type

  plain,threaded external

• Media For Which Designed

  gas