SM-B-777664

Technical Characteristics

• Thread Class

  2a single mounting facility

• Hazardous Locations/Environmental Protection

  explosion proof

• Overall Length

  3.961 inches nominal

• Shaft Diameter

  0.125 inches nominal single actuator

• Shaft Length

  0.562 inches nominal single actuator

• Nonturn Device Radius

  0.260 inches nominal at 3:00 o'clock

• Individual Section Quantity

  8

• Switch Contact Basic Design

  nonpile-up symmetrical

• Pole Quantity

  1 each section front

• Throw Quantity

  4 each section rear

• Mounting Method

  threaded bushing single mounting facility

• Contact Voltage Rating In Volts

  28.0

• Shaft Flat/Slot Angular Location

  90.0 degrees from nonturn device single actuator

• Contact Switching Action

  breaks before makes each section rear

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Contact Load Current Rating

  20.0 milliamperes resistive load ac at altitude

• Contact Load Current Rating

  50.0 milliamperes resistive load dc at altitude

• Contact Load Current Rating

  75.0 milliamperes resistive load ac at sea level

• Precious Material And Location

  contacts gold and terminal surfaces silver

• Precious Material

  gold and silver

• Style Designator

  9 tap, circular, bushing mount

• Thread Length

  0.312 inches nominal single mounting facility

• Nonturn Device Type

  tab at 3:00 o'clock

• Operating Temp Range

  -65.0/+85.0 deg celsius

• End Item Identification

  td-1147/tsc 04939

• Nominal Thread Size

  0.250 inches single mounting facility

• Contact Voltage Rating In Volts

  115.0

• Rotor Through Connection Quantity

  1 each section

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Shaft Type

  round, slotted single actuator

• Terminal Type

  printed circuit

• Switch Actuator Positioning Increment

  36.0 degrees single actuator

• Detent Rotational Torque Range

  +0.4/+2.7 inch-pounds (pound-inches) single actuator

• Contact Load Current Rating

  125.0 milliamperes resistive load dc at sea level

• Thread Series Designator

  unef single mounting facility