R7990A1

Technical Characteristics

• Thread Class

  2b

• Center To Center Distance Between Mounting Facilities Parallel To Length

  0.750 inches nominal

• Overall Height

  1.210 inches nominal

• Mounting Facility Type And Quantity

  2 threaded hole

• Mounting Facility Pattern

  two position in-line

• Nominal Operating Current Rating And Type

  21.7 milliamperes dc

• Operating Voltage Rating And Type At Specified Temp

  48.0 volts dc 25 deg celsius

• Main Contact Maximum Voltage Rating In Volts

  50.0 dc

• Thread Series Designator

  unc

• Fsc Application Data

  panel,telephone switchboard

• Thread Quantity Per Inch

  32

• Nominal Thread Size

  0.164 inches

• Main Contact Load Current Rating At Maximum Rated Voltage

  3.0 amperes dc

• Special Features

  a. slow release due to short lever armature

• Terminal Type And Quantity

  10 pin

• Overall Length

  4.000 inches nominal

• Overall Width

  1.930 inches nominal

• Winding Quantity

  1

• Coil Quantity

  1

• Winding Dc Resistance Rating

  800.0 ohms nominal

• Duty Type

  continuous

• Pile-Up Main Contact Form Arrangement

  1a3b