MT4RA28

Technical Characteristics

• Overall Length

  1.940 inches nominal

• Unthreaded Mounting Hole Diameter

  0.139 inches minimum and 0.142 inches maximum

• Overall Height

  1.300 inches nominal

• End Item Identification

  zspruance class dd (963), sturgeon class ssn (637), forrestal class cv, shipboard material handling equipment (mhe), elevators, cargo/weapons, nimitz cvn, los angeles class ssn (688), ticonderoga class cg (47), arleigh burke class ddg

• Center To Center Distance Between Mounting Facilities Parallel To Length

  0.984 inches minimum and 1.016 inches maximum

• Body Length

  1.922 inches minimum and 1.954 inches maximum

• Body Height

  0.859 inches minimum and 0.891 inches maximum

• Criticality Code Justification

  feat

• Special Features

  weapon system essential

• Switch Actuating Force

  12.0 ounces minimum and 18.0 ounces maximum

• Contact Load Current Rating At Maximum Rated Voltage

  10.000 amperes resistive dc

• Actuator Style

  leaf

• Inclosure Type

  fully inclosed

• Body Width

  0.672 inches minimum and 0.704 inches maximum

• Actuator Free Position Height

  0.610 inches minimum and 0.640 inches maximum

• Case Material

  metal

• Overall Width

  0.687 inches nominal

• Switch Release Force

  5.0 ounces minimum

• Maximum Voltage Rating In Volts

  250.0 ac and 28.0 dc

• Actuator Movement

  0.035 pretravel inches maximum and 0.005 overtravel inches minimum and 0.006 differential inches minimum

• Body Style

  hole mounted

• Actuator Length

  0.630 inches nominal

• Actuator Width

  0.078 inches minimum and 0.110 inches maximum

• Nonpile-Up Contact Arrangement

  1 pole, double throw, both positions maintained single switch unit

• Terminal Type And Quantity

  3 screw

• Mounting Method

  unthreaded hole