57A146B3

Technical Characteristics

• Thread Direction

  right-hand single mounting facility

• Winding Dc Resistance Rating

  300.0 ohms nominal single winding

• Terminal Type And Quantity

  8 wire hook all functions

• Mounting Facility Pattern

  triangle single mounting facility

• Time Delay

  0.01 seconds maximum fixed release time

• Main Contact Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Time Delay

  0.015 seconds maximum fixed operate time

• Cubic Measure

  2.446 cubic inches

• Purpose For Which Designed

  general

• Contact Material

  silver

• Coil Quantity

  1

• Case Material

  steel, corrosion resisting

• Thread Series Designator

  unc single mounting facility

• Duty Type

  continuous

• Thread Class

  2a single mounting facility

• Operating Voltage Rating And Type At Specified Temp

  27.5 volts dc 25 deg celsius single winding

• Main Contact Load Current Rating At Maximum Rated Voltage

  3.0 amperes ac lamp load and 1.5 amperes dc lamp load

• Overall Height

  1.921 inches maximum

• 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

• Center To Center Distance Between Mounting Facilities Parallel To The Altitude Of An Isosceles Triangle

  1.000 inches nominal single mounting facility

• Mounting Facility Type And Quantity

  3 threaded stud single mounting facility

• Precious Material

  silver

• Storage Type

  general purpose warehouse

• Nonpile-Up Main Contact Arrangement

  2 pole, double throw, one position momentary

• Nominal Thread Size

  0.112 inches single mounting facility

• Environmental Protection

  hermetic

• Center To Center Distance Between Mounting Facilities Parallel To Width

  0.500 inches nominal single mounting facility

• Overall Length

  1.344 inches maximum

• Arc Quenching Method

  air

• Thread Quantity Per Inch

  40 single mounting facility

• Winding Quantity

  1

• Overall Width

  0.953 inches maximum

• Precious Material And Location

  contacts silver