Overview Reviews Product Description Howard Industries S0250-71C-211-K Lamp Ballast Kit 120/208/240/277V 250W 60Hz. Product Videos Custom Field Volts 120/208/240/277 Watts 250 Hz 60 Product Reviews Write a Review Write a Review × Howard Industries S0250-71C-211-K Lamp Ballast Kit 120/208/240/277V 250W 60Hz Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *