CAT NO MAIN LINE RANGE MAXIMUM MINIMUM MAXIMUM SIZE CABLE MAXIMUM FAULT CURRENT RATING TERMINAL TYPE LBS BRONZE 21056 5” O.D. 1 1/4” O.D. - STUD IS 3.25” LONG 54KA@ 15 CYCLES 39KA@ 30 CYCLES 4.5 21546-1 3 5/8” X 2 1/4” RECTANGULAR BUS STUD IS 4” LONG 43KA@ 15 CYCLES 4.4 ALUMINUM 4367-2 4” X 1/2” FLAT BUS OR 2.875 DIA BUS 6 SOL .16 DIA 1/0 21KA@ 15 CYCLES 15KA@ 30 CYCLES BOLTED 2.4 4367-1 3” X 3” SQUARE BUS 6 SOLID .16 DIA 2.4 12282 6.625 DIA BUS 1/0 STR .398 DIA 4/0 43KA@ 15 CYCLES BOLTED 5.5 9071 3” DIA BUS OR CABLE 6 STR .18 DIA 4/0 54KA@ 15 CYCLES 39KA@ 30 CYCLES BOLTED 4.2 21057 6.625 DIA / 9 1/2” COPPER BAR 1/0 STR .398 DIA *5H RATED See page 401 4/0 8.7 GROUND CLAMPS FOR SUBSTATION GROUNDING • The grounding clamps with hanger studs enable substation maintenance crews to utilize their portable grounds on large bus by providing a fault current rated hanger stud as part of the clamp (Clamp numbers 21056, 21546-1, 12282) • Use of the hanger stud clamps could save cost of special ground assemblies made up for each substation GROUNDING AND JUMPER EQUIPMENT Phone: 269.945.9541 • Fax: 269.945.4623 • www.hfgp.com • Email: hastings@hfgp.com PO Box 218, 1301 W Green Street, Hastings, Michigan 49058-0218 These products are for trained professionals only. 11/22 406 21056 21546-1 4367-2 4367-1 9071 21057 12282
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