202933-490

Technical Characteristics

• Thread Pitch Diameters

  +0.1177/+0.1214 inches

• Body Length

  2.510 inches maximum

• Switch Contact Arrangement

  single pole, double throw

• Arc Quenching Method

  magnetic blowout

• Mounting Facility Type And Quantity

  2 threaded hole

• Storage Type

  general purpose warehouse

• Thread Quantity Per Inch

  32

• Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps

  2000.0 dc single location

• Body Style

  12a single pole type

• Body Width

  0.730 inches minimum and 0.780 inches maximum

• Case Material

  plastic

• Center To Center Distance Between Terminals Parallel To Length

  1.660 inches minimum and 1.960 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  2.046 inches minimum and 2.078 inches maximum

• Fragility Factor

  moderately rugged

• Boss Height

  0.109 inches minimum and 0.171 inches maximum

• Mounting Surface To Terminal End Distance

  2.800 inches maximum

• Pole Quantity

  1

• Maximum Continuous Load Current Rating Per Pole

  30.0 amperes dc single location

• Operating Voltage Type And Rating Per Pole In Volts

  50.0 dc single location

• Circuit Protection Type

  overcurrent single location

• Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent

  125.0

• Main Contact Tripping Mechanism Type

  trip free

• Manual Actuator Type And Quantity

  1 toggle

• Auxiliary Switch Function And Quantity

  1 alarm

• Nominal Thread Size

  0.138 inches

• Trip Delay Time In Seconds Per Rated Continuous Current

  0.130 minimum at 200 pct and 1.400 maximum at 200 pct single location

• Switch Terminal Type

  tab, solder lug

• Terminal Type And Quantity

  2 threaded stud

• Specification/Standard Data

  81349-mil-c-55629/2 government specification

• Trip Release Method

  magnetic single location

• Trip Release Characteristic

  time delay single location

• Reset Method

  manual

• Actuator Function

  trip-reset

• Actuator Position Designation

  at pole one

• Internal Trip Release Configuration

  series trip single location

• Switch Location And Position Designation

  internal at pole one

• Inclosure Protection Type For Which Designed

  shock resistant and vibration resistant

• Switch Current Rating And Type In Amps

  10.0 ac and 2.0 dc

• Switch Voltage Rating And Type In Volts

  250.0 ac and 50.0 dc

• Test Data Document

  81349-mil-c-55629 specification

• Thread Series Designator

  unc