3SR3A4

Technical Characteristics

• ~1

  data on certain environmental and performanc

• Overall Height

  4.375 inches nominal

• Individual Section Quantity

  3

• Style Designator

  tap, circuit selector

• Overall Width

  4.125 inches nominal

• Throw Quantity

  1 each section front

• Shaft Type

  round single actuator

• Terminal Type

  tab w/screw

• Mounting Facility Pattern

  two position in-line single mounting facility

• Contact Voltage Rating In Volts

  450.0 ac at sea level

• Overall Length

  3.000 inches nominal

• Switch Actuator Indexing Position Quantity

  4 single actuator

• Longest Horizontal Distance Between Mounting Centers

  3.812 inches nominal single mounting facility

• Shaft Diameter

  0.375 inches nominal single actuator

• Switch Contact Basic Design

  nonpile-up symmetrical

• Switch Actuator Momentary Position

  clockwise single actuator and counterclockwise single actuator

• Contact Voltage Rating In Volts

  250.0 dc at sea level

• Shaft Length

  0.562 inches nominal single actuator

• Mounting Method

  bracket single mounting facility

• Unthreaded Mounting Hole Diameter

  0.312 inches nominal single mounting facility

• Hazardous Locations/Environmental Protection

  dustproof

• Pole Quantity

  1 each section front

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Contact Switching Action

  breaks before makes each section front

• Contact Load Current Rating

  30.0 amperes resistive load dc at sea level

• Nondefinitive Spec/Std Data

  3sr class

• Contact Load Current Rating

  30.0 amperes resistive load ac at sea level

• Test Data Document

  81349-mil-s-15291 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type