645-509

Technical Characteristics

• Nonpile-Up Main Contact Arrangement

  1 pole, double throw, double break/double make, one position momentary

• Unthreaded Mounting Hole Diameter

  0.173 inches nominal single mounting facility

• Mounting Facility Type And Quantity

  12 unthreaded hole single mounting facility

• Winding Quantity

  1

• Overall Width

  2.625 inches nominal

• Main Contact Load Current Rating At Maximum Rated Voltage

  50.0 amperes ac motor load and 50.0 amperes dc motor load

• Duty Type

  continuous

• Terminal Type And Quantity

  6 threaded stud all functions

• Operating Voltage Rating And Type At Specified Temp

  28.0 volts teardrop, two holes type 4f single winding

• Mounting Facility Pattern

  irregularly spaced single mounting facility

• Environmental Protection

  hermetic

• Overall Length

  3.000 inches maximum

• Overall Height

  2.780 inches maximum

• Main Contact Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Coil Quantity

  1

• Nominal Operating Current Rating And Type

  180.0 milliamperes dc single winding