6Input wire size, grounding, and output wiringInstruction manual IM1002004E September 2015 www.powerquality.eaton.comTable 3. Wire size chartUnit sizein kVAInput breakersize (amperes)Inputwire sizeMinimum groundwire size208 Vac input10 40 #8 #1015 60 #6 #1025 110 #2 #630 110 #2 #645 175 2/0 #650 175 3/0 #675 300 #350 #4100 400 3/0 a #3125 500 250 kcmil a #2150 600 350 kcmil a #1225 800 500 kcmil a 1/0300 1200 500 kcmil b 3/0500 2000 500 kcmil d 250 kcmil240 Vac input10 30 #10 #1015 50 #8 #1025 100 #3 #830 100 #3 #845 150 1/0 #650 150 2/0 #675 250 #250 #4100 350 500 #3125 400 3/0 a #3150 500 250 kcmil a #2225 800 500 kcmil a 1/0300 1000 500 kcmil b 2/0500 1600 500 kcmil c 4/0a 2 pcs.b 3 pcs.c 4 pcs.d 5 pcs.otes:N Refer to NEC for output wire size based onoutput breaker size as mentioned in Step Eon the previous page.Unit sizein kVAInput breakersize (amperes)Inputwire sizeMinimum groundwire size480 Vac input10 15 #10 #1415 25 #10 #1025 50 #6 #1030 50 #6 #1045 80 #4 #850 80 #4 #875 125 #1 #6100 175 2/0 #6125 200 3/0 #6150 250 250 kcmil #4225 350 500 kcmil #3300 500 250 kcmil a #2500 800 500 kcmil a 1/0600 Vac input10 15 #10 #1415 20 #10 #1225 40 #8 #1030 40 #8 #1045 60 #6 #1050 70 #4 #875 100 #3 #8100 150 1/0 #6125 175 2/0 #6150 200 3/0 #6225 300 350 kcmil #4300 400 500 kcmil #3500 700 400 kcmil a 1/0