1438-1B

Technical Characteristics

• Main Contact Load Current Rating At Maximum Rated Voltage

  250.0 milliamperes ac resistive load and 500.0 milliamperes dc resistive load

• Coil Quantity

  1

• Thread Series Designator

  unc single mounting facility

• Terminal Type And Quantity

  5 pin all functions

• Overall Length

  2.640 inches nominal

• Duty Type

  continuous

• Nominal Thread Size

  0.138 inches single mounting facility

• Mounting Facility Pattern

  rectangular single mounting facility

• Frequency In Hertz

  60.0 nominal

• Environmental Protection

  hermetic

• Overall Width

  1.750 inches nominal

• Mounting Facility Type And Quantity

  4 threaded stud single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Width

  0.750 inches nominal single mounting facility

• Thread Quantity Per Inch

  32 single mounting facility

• Winding Quantity

  1

• Thread Class

  2a single mounting facility

• Features Provided

  polarized

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.250 inches nominal single mounting facility

• Operating Voltage Rating And Type At Specified Temp

  115.0 volts -80 deg fahrenheit type 4f single winding

• Main Contact Maximum Voltage Rating In Volts

  115.0 ac and 30.0 dc

• Nonpile-Up Main Contact Arrangement

  1 pole, double throw, one position momentary

• Overall Height

  1.120 inches nominal