NA1-502

Technical Characteristics

• Overall Height

  5.250 inches nominal

• Environmental Protection

  moisture proof

• Average Life Measurement

  not rated

• Basic Shape Style

  rectangular or square

• Installation Design

  mechanical

• External Dc Operating Voltage In Volts

  110.0 nominal single voltage

• External Ac Operating Voltage In Volts

  110.0 nominal single voltage

• Indicator Device Type And Quantity

  7 headset

• Circuit Construction Type

  electron tube

• Inclosure Type

  encased

• Overall Width

  8.500 inches nominal

• Overall Length

  9.125 inches nominal

• Features Provided

  internal battery accommodation