40-158

Technical Characteristics

• End Item Identification

  type no. an/msq-1a

• Duty Type

  continuous

• Arc Quenching Method

  inert gas

• Mounting Facility Type And Quantity

  3 threaded stud

• Nominal Thread Size

  0.138 inches

• Mounting Facility Pattern

  isosceles triangle

• Main Contact Load Current Rating At Maximum Rated Voltage

  1.0 amperes dc

• Thread Series Designator

  unc

• Thread Class

  2a

• Overall Length

  1.620 inches nominal

• Overall Height

  2.680 inches nominal

• Overall Width

  1.430 inches nominal

• Environmental Protection

  hermetic

• Frequency In Hertz

  60.0 nominal

• Winding Quantity

  1

• Coil Quantity

  1

• Winding Dc Resistance Rating

  500.0 ohms nominal

• Nonpile-Up Main Contact Arrangement

  1 pole,single throw,normally open,momentary action

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

  1.188 inches nominal

• Operating Voltage Rating And Type At Specified Temp

  120.0 volts ac 25 deg celsius

• Main Contact Maximum Voltage Rating In Volts

  110.0 dc

• Terminal Type And Quantity

  4 pin