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Hatch HR2100-277BF Legacy 21W CFL Ballast - 277V - Bottom Feed

0.44 LBS
Calculated at checkout

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Product Description

Having perfect lighting for your auto repair shop or garage is very important. Your business depends so much in clear and reliable visibility, however, that lighting system could also use a proper supply of power. Our Hatch brand transformers are great for your single CFL units and will not only prolong their life but also provide the right amount of wattage.

The HR2100-277BF model operates 4-pin compact fluorescent lamps with a wattage capacity of 21 and line voltage of 120V. It is Class P Outdoor 1 rated and is fused tightly to prevent moisture and shock rattling in a steel casing.

Call our amazing ballast guys for the best price!


  • Automatic Hot Lamp Restart
  • Start Method: Preheat Start
  • UL 935 Listed for high efficiency electronic ballasts
  • Reduced Noise “A” Sound Rating
  • High energy efficient
  • 100 percent factory tested and quality assured
  • Mounting Studs and Side Feed Wiring Leads Available


This compact preheat start ballasts comes with bottom feed mounting studs for easy installation within your compact fluorescent luminaire. With being sealed from moisture and vibration, this ballasts is great for both hot and cold temperature locations. It’s great for outdoor areas and indoor facilities.

External Specifications

Constructed in industry grade steel, this compact ballasts comes in standard white finish. It’s included with bottom feed for simple wiring and installation. Quality wiring leads for both input and output currents with moisture and shock resistant body. Low harmonic distortion factor contributes mightily to noise reduction in during operation.

Electrical Specifications

  • Operating voltage of 277V at 60 Hz
  • High Power Factor of 0.99
  • Low harmonic distortion
  • High frequency operation
  • Operating frequency of 50 KHz


  • RoHS Compliant
  • UL 935 Listed
  • Energy Star Rated
  • FCC Part 18 Class B
  • ANSI C62.41 Cat A

Contact our expert customer service team for more information about this ballast, today! The Ballast Co. is open 24 hours, 7 days a week. Our expert staff is available for questions and/or sales at (800) 887-9957 or sales@servc.com

Warranty Information

This ballasts is under warranty for a term of three (3) years. Only defective products are covered. We do not offer coverage for step down devices that are abuse, weathered, or physically damaged.

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Ballasts.com an Unlimited Lights LLC Company 3000 Old Alabama Rd
STE 119-423
Alpharetta GA 30022
+1 (800) 887-9957

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