21-019

Technical Characteristics

• Environmental Protection

  dustproof

• Overall Height

  4.585 inches nominal

• Nonpile-Up Main Contact Arrangement

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

• Mounting Facility Pattern

  rectangular single mounting facility

• Frequency In Hertz

  60.0 nominal

• Nominal Thread Size

  0.164 inches single mounting facility

• Mounting Facility Type And Quantity

  4 threaded stud single mounting facility

• Thread Quantity Per Inch

  32 single mounting facility

• Winding Quantity

  1

• Thread Class

  2a single mounting facility

• Main Contact Maximum Voltage Rating In Volts

  120.0 ac and 28.0 dc

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.625 inches nominal single mounting facility

• Operating Voltage Rating And Type At Specified Temp

  450.0 volts -80 deg fahrenheit type 4f single winding

• Main Contact Load Current Rating At Maximum Rated Voltage

  2.0 amperes ac resistive load and 2.0 amperes dc resistive load

• Terminal Type And Quantity

  7 screw all functions

• Coil Quantity

  1

• Thread Series Designator

  unc single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.125 inches nominal single mounting facility

• Special Features

  relay overvoltage; trip adjustment range 370 to 480 vac; factory trip setting 400 vac; temperature range minus 50 deg c to plus 90 deg c

• Overall Width

  3.020 inches nominal

• Duty Type

  continuous

• Overall Length

  3.520 inches nominal