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 Single Throw Safety Switch has a rated current of 100A and is UL listed with a NEMA 3R rating of protection. This Heavy Duty Safety Switch Equipment Ground Assy for 240V and 600V, 800A. This product comes with an 18 month warranty. This heavy duty safety switch grounding bar, by Square D, has a rated current of 200A, and is rated for an AWG gauge of AWG 14/AWG 1 x 0, copper or aluminium.