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Robertson O4827 Magnetic 9W CFL 2-Pin Ballast - 277V

0.60 LBS
Ships within 24 to 48 hours. Product may be out-of-stock or back-ordered without notice. Please call for immediate availability.

Question about Robertson O4827 Magnetic 9W CFL 2-Pin Ballast - 277V? Request A Quote

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Product Description

Dear Customer:

The Robertson O4827 is DISCONTINUED. Please see equivalent model O4827 /B.

  • Ballast Type: Electronic 
  • Input Voltage: 277VAC
  • Starting Method: Preheat
  • Unit Weight: 0.6 lb.


  • Electromagnetic reactor type ballast
  • Preheat Start 
  • Series operation 
  • Normal power factor 
  • Open core and coil
  • Sound rated A
  • Meets ANSI C82.11 


  • UL/935 (Type 1 outdoor) listed
  • No PCB's


Robertson Worldwide warrants to the purchaser that this ballast will be free from defects in material or workmanship for a period of 2 years from date of manufacture when properly installed and under normal conditions of use. 

Warranty Information

2-year warranty.

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