SF4257

Technical Characteristics

• Overall Length

  2.680 inches nominal

• Overall Width

  1.310 inches nominal

• Environmental Protection

  hermetic

• End Item Identification

  type no. an/msq-1a

• Frequency In Hertz

  60.0 nominal

• Thread Quantity Per Inch

  32

• Nominal Thread Size

  0.138 inches

• Mounting Facility Pattern

  four position rectangular

• Operating Voltage Rating And Type At Specified Temp

  105.0 volts ac 25 deg celsius

• Main Contact Load Current Rating At Maximum Rated Voltage

  1.0 amperes ac

• Thread Series Designator

  unc

• Terminal Type And Quantity

  20 pin

• Thread Class

  2a

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.000 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Width

  0.687 inches nominal

• Overall Height

  2.060 inches nominal

• Winding Quantity

  1

• Coil Quantity

  1

• Winding Dc Resistance Rating

  5.0 kilohms nominal

• Duty Type

  continuous

• Mounting Facility Type And Quantity

  4 threaded stud

• Pile-Up Main Contact Form Arrangement

  6c

• Nominal Operating Current Rating And Type

  20.0 milliamperes ac

• Main Contact Maximum Voltage Rating In Volts

  120.0 ac