MR-31-U20

Technical Characteristics

• Fragility Factor

  moderately rugged

• Mounting Facility Type And Quantity

  2 unthreaded hole single mounting facility

• Terminal Type And Quantity

  10 pin all functions

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.438 inches nominal single mounting facility

• Storage Type

  general purpose warehouse

• Frequency In Hertz

  60.0 nominal

• Overall Height

  2.380 inches nominal

• Arc Quenching Method

  air

• Winding Quantity

  1

• Main Contact Maximum Voltage Rating In Volts

  120.0 ac and 28.0 dc

• Overall Width

  1.880 inches nominal

• Nominal Operating Current Rating And Type

  40.0 milliamperes ac single winding

• Cubic Measure

  12.707 cubic inches

• Purpose For Which Designed

  general

• Coil Quantity

  1

• Operating Voltage Rating And Type At Specified Temp

  110.0 volts -80 deg fahrenheit type 4f single winding

• Overall Length

  2.840 inches nominal

• Unthreaded Mounting Hole Diameter

  0.156 inches nominal single mounting facility

• Winding Dc Resistance Rating

  705.0 ohms nominal single winding

• Duty Type

  continuous

• Main Contact Load Current Rating At Maximum Rated Voltage

  10.0 amperes ac resistive load and 10.0 amperes dc resistive load

• Nonpile-Up Main Contact Arrangement

  3 pole, single throw, normally open, momentary action and 1 pole, single throw, normally closed, momentary action

• Mounting Facility Pattern

  in-line single mounting facility