FH-121E

Technical Characteristics

• Actuator Style

  rectangular

• Mounting Surface To Terminal End Distance

  0.541 inches nominal

• Maximum Voltage Rating In Volts

  250.0 ac and 28.0 dc

• Thread Quantity Per Inch

  40

• Body Style

  bushing mount

• 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

  1.350 inches nominal

• Body Width

  0.315 inches nominal

• Overall Length

  0.512 inches nominal

• Precious Material And Location

  terminal surfaces gold and contacts silver

• Terminal Type And Quantity

  3 tab, solder lug

• Inclosure Type

  fully inclosed

• Body Length

  0.512 inches nominal

• Overall Width

  0.315 inches nominal

• Actuator Height

  0.485 inches nominal

• Nonpile-Up Contact Arrangement

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

• Actuator Width

  0.100 inches nominal

• Nominal Thread Size

  0.250 inches

• Precious Material

  gold and silver

• Bushing Length

  0.315 inches nominal

• Actuator Position-Action Relationship

  up position maintained and down position maintained and center position maintained

• Body Height

  0.354 inches nominal

• Thread Series Designator

  uns

• Case Material

  plastic