FH-323

Technical Characteristics

• Hazardous Locations/Environmental Protection

  dustproof

• Actuator Position-Action Relationship

  up position maintained and down position maintained

• Nominal Thread Size

  0.250 inches

• Precious Material

  gold and silver

• Body Width

  0.512 inches nominal

• Bushing Length

  0.315 inches nominal

• Thread Class

  2a

• Thread Series Designator

  uns

• End Item Identification

  4920-01-034-7789

• Actuator Style

  rectangular

• Maximum Voltage Rating In Volts

  250.0 ac and 28.0 dc

• Precious Material And Location

  terminal and contact surfaces gold and contacts silver

• Overall Width

  0.512 inches nominal

• Thread Quantity Per Inch

  40

• Body Height

  0.591 inches nominal

• Body Style

  bushing mount

• Mounting Surface To Terminal End Distance

  0.748 inches nominal

• Actuator Height

  0.485 inches nominal

• Mounting Method

  threaded bushing

• Contact Load Current Rating At Maximum Rated Voltage

  4.000 amperes resistive dc and 3.000 amperes resistive ac

• Overall Height

  1.548 inches nominal

• Overall Length

  0.710 inches nominal

• Body Length

  0.701 inches nominal

• Nonpile-Up Contact Arrangement

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

• Terminal Type And Quantity

  9 tab, solder lug

• Actuator Width

  0.200 inches nominal

• Inclosure Type

  fully inclosed