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