21690-1

Technical Characteristics

• Fragility Factor

  moderately rugged

• Mounting Facility Pattern

  rectangular single mounting facility

• Storage Type

  general purpose warehouse

• Overall Length

  3.090 inches maximum

• Overall Width

  2.660 inches maximum

• Cubic Measure

  28.275 cubic inches

• Nominal Thread Size

  0.164 inches single mounting facility

• Arc Quenching Method

  air

• Thread Quantity Per Inch

  32 single mounting facility

• Winding Quantity

  1

• Operating Voltage Rating And Type At Specified Temp

  24.0 volts teardrop, two holes type 4f single winding

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.312 inches nominal single mounting facility

• Case Material

  metal

• Thread Direction

  right-hand single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.843 inches nominal single mounting facility

• Mounting Facility Type And Quantity

  4 threaded hole single mounting facility

• Nonpile-Up Main Contact Arrangement

  1 pole, single throw, normally open, momentary action and 1 pole, single throw, normally closed, momentary action

• Overall Height

  3.440 inches maximum

• Terminal Type And Quantity

  6 screw all functions

• Purpose For Which Designed

  general

• Coil Quantity

  1

• Main Contact Maximum Voltage Rating In Volts

  28.0 dc

• Thread Series Designator

  unc single mounting facility

• Main Contact Load Current Rating At Maximum Rated Voltage

  10.0 amperes dc resistive load

• Thread Class

  2b single mounting facility

• Duty Type

  continuous