A21391

Technical Characteristics

• Main Contact Load Current Rating At Maximum Rated Voltage

  3.0 amperes ac resistive load and 3.0 amperes dc resistive load

• Fragility Factor

  moderately rugged

• Nominal Thread Size

  0.138 inches single mounting facility

• Overall Height

  1.562 inches maximum

• Precious Material And Location

  contacts silver

• Overall Width

  1.031 inches maximum

• Cubic Measure

  2.365 cubic inches

• Mounting Facility Pattern

  rectangular single mounting facility

• Precious Material

  silver

• Storage Type

  general purpose warehouse

• Operating Voltage Rating And Type At Specified Temp

  26.5 volts dc 25 deg celsius single winding

• Environmental Protection

  hermetic

• Arc Quenching Method

  air

• Thread Quantity Per Inch

  32 single mounting facility

• Winding Quantity

  1

• Thread Direction

  right-hand single mounting facility

• Winding Dc Resistance Rating

  300.0 ohms nominal single winding

• Time Delay

  0.01 seconds maximum fixed release time

• Main Contact Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Mounting Facility Type And Quantity

  4 threaded hole single mounting facility

• Nonpile-Up Main Contact Arrangement

  4 pole, double throw, one position momentary

• Purpose For Which Designed

  general

• Contact Material

  silver

• Coil Quantity

  1

• Overall Length

  1.469 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Width

  0.375 inches nominal single mounting facility

• Case Material

  steel, corrosion resisting

• Terminal Type And Quantity

  14 tab, solder lug all functions

• Center To Center Distance Between Mounting Facilities Parallel To Length

  0.438 inches nominal single mounting facility

• Thread Series Designator

  unc single mounting facility

• Thread Class

  2b single mounting facility

• Time Delay

  0.025 seconds maximum fixed operate time

• Duty Type

  continuous

• Main Contact Load Current Rating At Maximum Rated Voltage

  3.0 amperes ac inductive load and 1.5 amperes dc inductive load