GE Lamps UltraStart® Electronic Ballast, T5 Fluorescent Lamp, 227 W Wattage, 108 to 305 VAC, 50/60 Hz Frequency, Programmed/Rapid Start, -20 deg F Minimum Starting, Total Harmonic Distortion: <10 %, Power Factor: >0.99, Yes Dimmable, 4 Lamps, Ballast Factor: 0.99/1.05, 55 deg C, 16-45/64 in L x 1-45/64 in W x 1-13/64 in H Dimensions

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/GE_GEC213MVPS_3W_Catalog.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/GE_GEC213MVPS_3W_Catalog.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/GE_GE454MVPS90_E_S_Specification_Sheet.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/GE_GE454MVPS90_E_S_Specification_Sheet.pdf

• Lower maintenance costs with parallel lamp operation
• Multi-voltage technology means a single ballast handles voltage from 108 to 305 VAC
• Auto-restart withstands temporary losses in power without the need to cycle power
• UltraCool™ operation 90C case rating/UL approved 55C ambient rating
• Individual lamp end of lamp life protection - only one lamp shuts down at end of life
• Anti-striation control for better light quality, with no striations
• -20 deg F minimum starting temperature cold
• The ballast should have the step dimming features and be able to provide 50% input power (+/-15%) in the dimming mode by shutdown 2 of the 4 lamps