MBL-S-391

Technical Characteristics

• Test Data Document

  90536-011873-06 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

• Bushing Length

  0.250 inches nominal

• Mounting Method

  threaded bushing

• Overall Width

  0.500 inches nominal

• Nonpile-Up Contact Arrangement

  1 pole, single throw, normally open, double make, momentary action single switch unit

• Precious Material

  gold

• Overall Length

  1.812 inches minimum and 1.874 inches maximum

• Nominal Thread Size

  0.375 inches

• Precious Material And Location

  terminals and contact surfaces gold

• Inclosure Type

  fully inclosed

• Case Material

  metal

• Special Features

  two terminals for lamps

• Body Diameter

  0.500 inches nominal

• Body Length

  1.500 inches maximum

• Actuator Diameter

  0.306 inches nominal

• Maximum Voltage Rating In Volts

  110.0 ac

• Actuator Height

  0.312 inches minimum and 0.374 inches maximum

• Terminal Type And Quantity

  4 tab, solder lug

• Body Style

  bushing mounted

• Overall Height

  0.500 inches nominal

• Thread Series Designator

  unef

• Contact Load Current Rating At Maximum Rated Voltage

  100.000 milliamperes resistive ac