BB521-3

Technical Characteristics

• Overall Height

  6.125 inches nominal

• Contact Adjustability

  deactuation point adjustable and actuation point adjustable

• Contact Voltage Rating In Volts

  240.0 ac at sea level first voltage

• Media For Which Designed

  liquid

• Unthreaded Mounting Hole Diameter

  0.750 inches nominal

• Style Designator

  cylindrical w/port

• Contact Load Current Rating

  5.0 amperes resistive load second voltage

• Contact Adjustment Type

  external deactuation point knob with scale and external actuation point knob with scale

• Pressure Connector Type

  external seat-gasket seal, threaded external all connections

• Contact Voltage Rating In Volts

  120.0 ac at sea level second voltage

• Mounting Method

  unthreaded hole

• Pressure Switch Type

  differential

• Body Diameter

  5.750 inches nominal

• Contact Load Current Rating

  2.5 amperes resistive load first voltage

• Contact Action Stimulus

  decrease

• Nominal Thread Size

  0.250 inches single pressure connection

• Contact Stimulus Rating

  1.000 differential point nominal pounds per square inch

• Special Features

  bourdon tubes,magnetic mercury switch