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 Class R Fuse Rejection Kit has a rated current of 200A. This fuse kit is for type R fuses. This kit is for a 3-pole and is made of polyester charged with fibreglass for an operational voltage of 240VAC & 600VAC. This Heavy Duty Safety Switch, Fuse Rejection Kit, Class R has a UL listed & CSA certifications. Prop 65: WARNING: This product can expose you to chemicals including: Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov - Compatible Products: 82254N; 82254NW; 82344DS; 82344N; 82344NRB; D223N; D223NRB; D323N; D323NRB; DT100SG; DT323; DT323RB; DTU222; DTU223RB; DTU322; DTU323; DTU323RB; DTU361; DTU362; DTU362DS; DTU363; DTU363DS; DTU365; H363DF; H82344