321-990

Technical Characteristics

• Environmental Protection

  dustproof

• Nominal Thread Size

  0.138 inches single mounting facility

• Main Contact Load Current Rating At Maximum Rated Voltage

  1.0 amperes dc resistive load

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.188 inches nominal single mounting facility

• Main Contact Maximum Voltage Rating In Volts

  13.0 dc

• Overall Width

  2.000 inches nominal

• Mounting Facility Pattern

  rectangular single mounting facility

• Frequency In Hertz

  60.0 nominal

• Mounting Facility Type And Quantity

  4 threaded stud single mounting facility

• Nonpile-Up Main Contact Arrangement

  1 pole, single throw, normally open, momentary action

• Winding Quantity

  1

• Thread Class

  2a single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.188 inches nominal single mounting facility

• Winding Dc Resistance Rating

  1.285 kilohms nominal single winding

• Coil Quantity

  1

• Operating Voltage Rating And Type At Specified Temp

  120.0 volts -80 deg fahrenheit type 4f single winding

• Thread Series Designator

  unc single mounting facility

• Terminal Type And Quantity

  4 pin all functions

• Overall Length

  2.000 inches nominal

• Overall Height

  2.750 inches nominal

• Duty Type

  continuous