H12-21

Technical Characteristics

• Terminal Type And Quantity

  1 connector, receptacle

• Switch Release Force

  560.0 ounces nominal

• Maximum Voltage Rating In Volts

  125.0 ac and 28.0 dc

• Housing Length

  3.400 inches nominal

• Actuator Free Position Height

  0.720 inches nominal

• Actuator Style

  49 roller plunger

• Unthreaded Mounting Hole Diameter

  0.193 inches nominal

• Case Material

  metal

• Contact Load Current Rating At Maximum Rated Voltage

  15.000 amperes resistive dc and 10.000 amperes inductive dc and 5.000 amperes lamp dc and 10.000 amperes resistive ac and 10.000 amperes inductive ac and 6.000 amperes lamp ac

• Actuator Movement

  0.193 pretravel inches nominal and 8.0 overtravel degrees minimum and 1.0 differential degrees nominal

• Switch Actuating Force

  144.0 ounces nominal

• Nonpile-Up Contact Arrangement

  2 two circuit, double break/double make, one position momentary single switch unit

• Mounting Method

  unthreaded hole

• Inclosure Type

  fully inclosed

• Center To Center Distance Between Housing Mounting Facilities Parallel To Length

  2.312 inches nominal

• Center To Center Distance Between Housing Mounting Facilities Parallel To Height

  1.311 inches nominal

• Housing Width

  1.250 inches nominal

• Housing Height

  2.139 inches nominal

• Actuator Roller Width

  0.500 inches maximum

• Actuator Roller Diameter

  0.500 inches nominal

• Hazardous Locations/Environmental Protection

  vibration resistant and dustproof and watertight

• Body Style

  54m hole mounted