480v:347v:277v series step down autotransformers for lighting applications 01-26-12 the 480:347:277v series are step down autotransformers designed especially for lighting applications, typically used in conjunction with 277v t-5 or t-8 electronic fluorescent ballasts, led drivers or electronic hid ballasts in industrial and commercial applications. features wiring dimensions ? input voltage: 480v, 60 hz or 347v, 60 hz ? output voltage: 277v, 60 hz ? insulation rating: 125 & 460C 105oc, 245C 130oc ? non-isolated autotransformer ? 5 year warranty - industry best part number losses input current max load input current no load weight (lbs) 480:347:277-125va 7w 0.26 a 0.070 a 2.3 480:347:277:220-245va 10w 0.57 a 0.080 a 5.3 480:347:277-460va 18w 0.96 a 0.220 a 7.2 model a (in) b (in) c (in) d (in) e (in) 125va see drawing below (mm) 245va 3.39 3.07 2.81 2.68 3.34 460va 3.82 3.34 3.15 2.95 3.74 480v red 347v blue 277v black 220v orange (245va model only) com white com white thomas research products ? 11548 smith dr . ? huntley, il 60142 ? t : 847-515-3057 ? f: 847-515-3047 ? wwwtrpssl .com thomas research products ssl solutions faster than the speed of light specifcations subject to change without notice.
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