The Square D™ by Schneider Electric brand Heavy Duty Safety Switch is designed to be tough, reliable and provide exceptional performance in the most grueling conditions. F Series safety switches provide significantly higher levels of mechanical endurance than NEMA KS-1 or UL98 standards require. All heavy duty safety switches feature a quick-make, quick-break operating mechanism, a dual cover interlock and a color-coded indicator handle. This Square D heavy duty safety switch grounding bar comes in 30A and 60A. This grounding bar accepts AWG gauges of AWG 12 (CU), AWG 10 (AL), and AWG 4 (AL/CU). This product comes with an 18 month warranty. This heavy duty safety switch grounding bar by Square D has a rated current of 30A and 60A and is rated for an AWG gauge of AWG 12, copper Specifications Main Range of Product Square D Product or Component Type Safety switch grounding bar Series name Heavy duty Complementary Line Rated Current 30 A F1, 30 A F5, 30 A F7, 60 A F1, 60 A F3, 60 A F5 60 A F7 AWG gauge AWG 12 copper AWG 10 aluminium AWG 4 copper or aluminium Width 1.054 in (26.77 mm) Height 0.437 in (11.10 mm) Depth 0.312 in (7.92 mm) Tightening torque 20 lbf.in (2.26 N.m) (AWG 14...AWG 10) 20 lbf.in (2.26 N.m) (AWG 12...AWG 10) 25 lbf.in (2.82 N.m) (AWG 8) 35 lbf.in (3.95 N.m) (AWG 6...AWG 4) 25 lbf.in (2.82 N.m) (2 x AWG 14...2 x AWG 10) 25 lbf.in (2.82 N.m) (2 x AWG 10...2 x AWG 10)