645-521

Technical Characteristics

• Overall Height

  2.281 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.500 inches nominal single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.625 inches nominal single mounting facility

• Mounting Facility Pattern

  rectangular single mounting facility

• Main Contact Maximum Voltage Rating In Volts

  208.0 ac

• Environmental Protection

  hermetic

• Overall Length

  3.563 inches nominal

• Nominal Thread Size

  0.164 inches single mounting facility

• Mounting Facility Type And Quantity

  4 threaded stud single mounting facility

• Winding Dc Resistance Rating

  6.0 kilohms nominal single winding

• Winding Quantity

  1

• Thread Class

  2a single mounting facility

• Frequency In Hertz

  400.0 nominal

• Operating Voltage Rating And Type At Specified Temp

  115.0 volts -80 deg fahrenheit type 4f single winding

• Terminal Type And Quantity

  8 pin all functions

• Nonpile-Up Main Contact Arrangement

  3 pole, single throw, normally open, momentary action

• Nominal Operating Current Rating And Type

  20.0 milliamperes ac single winding

• Coil Quantity

  1

• Thread Series Designator

  unc single mounting facility

• Overall Width

  2.281 inches nominal

• Duty Type

  continuous

• Main Contact Load Current Rating At Maximum Rated Voltage

  1.3 amperes ac resistive load