4557

Technical Characteristics

• Voltage Rating

  28.000 volts nominal

• Base Style

  three screw terminals

• Filament Heavy Duty Service Rating

  not rated

• Average Life Rating In Hours

  100.0

• Bulb Designator

  par-64

• Light Output Rating

  540000.000 beam candlepower nominal 2nd rating

• Rated Average Life

  hours

• Emitted Light Characteristic

  colorless

• Bulb Style

  par (parabolic, aluminized reflector)

• Bulb Light Transmission Characteristic

  transparent

• Features Provided

  heat resistant glass

• Filament Designation

  cc-8/c-6

• Light Output Rating

  100000.000 beam candlepower nominal 1st rating

• Current Rating For Which Designed

  14.285 amperes minimum and 35.714 amperes maximum

• Light Intensity Distribution Feature

  parabolic reflector

• Burning Position

  any acceptable

• Wattage Rating

  400.000 watts and 1000.000 watts

• Overall Length

  3.750 inches maximum