B1090-74

Technical Characteristics

• Switch Contact Basic Design

  nonpile-up nonsymmetrical

• Hazardous Locations/environmental Protection

  explosion proof

• Mounting Facility Pattern

  four position rectangular single mounting facility

• Terminal Type

  tab w/screw

• Mounting Method

  bracket single mounting facility and unthreaded hole single mounting facility

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Overall Length

  9.813 inches nominal

• Individual Section Quantity

  12

• Longest Vertical Distance Between Mounting Centers

  3.781 inches nominal single mounting facility

• Contact Voltage Rating In Volts

  500.0 ac at sea level

• Overall Width

  4.750 inches nominal

• Contact Load Current Rating

  30.0 amperes resistive load ac at sea level

• Contact Switching Action

  makes before breaks each section front

• Switch Actuator Positioning Increment

  90.0 degrees single actuator

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Knob Manufacturer Code

  82121

• Features Provided

  actuator knob

• Unthreaded Mounting Hole Diameter

  0.410 inches nominal single mounting facility

• Longest Horizontal Distance Between Mounting Centers

  3.781 inches nominal single mounting facility

• Style Designator

  tap, circuit selector

• Overall Height

  4.750 inches nominal