3JR25SPECIAL4

Technical Characteristics

• Thread Series Designator

  unc 2nd mounting facility

• Thread Length

  0.500 inches nominal 2nd mounting facility

• Overall Height

  2.813 inches nominal

• Shaft Length

  2.532 inches nominal single actuator

• Individual Section Quantity

  25

• Knob Manufacturer Code

  82121

• Longest Horizontal Distance Between Mounting Centers

  1.281 inches nominal 2nd mounting facility

• Longest Horizontal Distance Between Mounting Centers

  2.297 inches nominal 1st mounting facility

• Longest Vertical Distance Between Mounting Centers

  1.281 inches nominal 2nd mounting facility

• Pole Quantity

  1 each section rear

• Throw Quantity

  7 each section rear

• Mounting Method

  bracket 1st mounting facility and threaded hole

• Thread Quantity Per Inch

  32 2nd mounting facility

• Nominal Thread Size

  0.190 inches 2nd mounting facility

• Contact Voltage Rating In Volts

  125.0 ac at sea level

• Contact Voltage Rating In Volts

  30.0 dc at sea level

• Mounting Facility Pattern

  four position rectangular 1st mounting facility

• Mounting Facility Pattern

  four position rectangular 2nd mounting facility

• Switch Actuator Indexing Position Quantity

  8 single actuator

• Square Shaft Size

  0.250 inches nominal single actuator

• Contact Switching Action

  breaks before makes each section rear

• Contact Load Current Rating

  10.0 amperes resistive load ac at sea level

• Contact Load Current Rating

  10.0 amperes resistive load dc at sea level

• Style Designator

  1 tap, circuit selector

• Thread Class

  2a 2nd mounting facility

• Thread Class

  2b 1st mounting facility

• Hazardous Locations/Environmental Protection

  dustproof

• Overall Length

  14.345 inches nominal

• Overall Width

  2.813 inches nominal

• Longest Vertical Distance Between Mounting Centers

  2.297 inches nominal 1st mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Mounting Method

  bracket 2nd mounting facility and threaded stud

• Features Provided

  actuator knob

• Thread Quantity Per Inch

  24 1st mounting facility

• Nominal Thread Size

  0.190 inches 1st mounting facility

• Shaft Type

  rectangular/square, threaded hole single actuator

• Terminal Type

  tab w/screw

• Switch Actuator Positioning Increment

  45.0 degrees single actuator

• Switch Actuator Stop Device Type

  adjustable stop single actuator

• Thread Series Designator

  unc 1st mounting facility