B138BB

Technical Characteristics

• Operating Voltage Rating And Type At Specified Temp

  28.0 volts teardrop, two holes type 4f single winding

• Overall Height

  2.880 inches nominal

• Mounting Facility Type And Quantity

  4 unthreaded hole single mounting facility

• Mounting Facility Pattern

  rectangular single mounting facility

• Winding Quantity

  1

• Features Provided

  polarized

• Fsc Application Data (Non-Core)

  except engine

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.625 inches nominal single mounting facility

• Unthreaded Mounting Hole Diameter

  0.196 inches nominal single mounting facility

• Nominal Operating Current Rating And Type

  500.0 milliamperes dc single winding

• Main Contact Load Current Rating At Maximum Rated Voltage

  3.0 amperes dc resistive load

• Overall Width

  3.130 inches nominal

• Environmental Protection

  watertight

• Coil Quantity

  1

• Terminal Type And Quantity

  14 pin all functions

• Main Contact Maximum Voltage Rating In Volts

  28.0 dc

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.625 inches nominal single mounting facility

• Overall Length

  3.130 inches nominal

• Duty Type

  continuous

• Nonpile-Up Main Contact Arrangement

  4 pole, single throw, normally open, momentary action and 1 pole, double throw, one position momentary