Master Green 1000 Watt 120 / 240 Volt Electronic Ballast The Master Green™ 1000 watt HPS electronic ballast features high frequency 105 kHz micro processing technology optimized for operating double-ended 1000 watt HPS lamps. The Master Green™ can oper

Galaxy® Commercial Electronic Ballast - 277 Volt Galaxy® Commercial 1000 watt 277 volt ballast can operate a 1000 watt HPS, MH or DE lamp at 50%, 75%, 100% or 110% settings. The Galaxy® Commercial ballast comes pre-wired with a Sun System® lamp cord re

Galaxy Remote Commercial Ballast 1000 Watt 120/208/240 Volt Galaxy® Commercial 1000 watt 120-208-240 volt ballast can operate a 1000 watt HPS, MH or DE lamp at 50%, 75%, 100% or 110% settings. The Galaxy® Commercial ballast comes prewired with a Sun Sy

Sun System® 1 DE Etelligent™ Compatible 1000 Watt Electronic Ballast - 277 Volt This ballast is Etelligent™ compatible with signal ports for on/off/dimming function. The Sun System® 1 advanced 105 kHz microprocessor is designed specifically to drive DE

Sun System® 1 DE Etelligent™ Compatible 1000 Watt Electronic Ballast - 120-240 Volt The Sun System® 1 DE ballast(s) is Etelligent™ compatible with signal ports for on/off/dimming functions by this wired controller. The Sun System® 1 advanced 105 kHz mi

Sun System® Hard Core® LEC® 315 Watt Ballast The Hard Core® LEC® Ballast is optimized for cutting-edge Light Emitting Ceramic® brand technology. Exposed ballast design is compact and runs cool! Offers superior cooling capabilities, extending the longev