ballast, light ballast,50/ 60HZ ballast,108-132v ballast, Approvals:UL & cUL ballast, light ballast, 50/60HZ ballast,108-132v ballast,Approvals:UL & cUL Product detailsHID electronic ballast-Operating:108V ... P thermal protection-Approvals:UL & cULEHR-39W-MH:M130 39WEHR-50W-MH:M110 50WEHR-70W-MH:M98 70WOur products are in ...