Schneider Electric's Square D heavy duty safety switch is designed to be tough, reliable and provide exceptional performance in the most grueling conditions. All heavy duty safety switches feature a quick-make, quick-break operating mechanism, a dual cover interlock, and a color coded indicator handle. They also come with many field installable or factory installed accessories. These switches come on fusible or non-fusible configurations and my be padlocked in the ON-OFF positions. This safety switch accessory is a field-installed standard neutral kit for 60-100A rated heavy duty safety switches. Terminal data for this assembly is (2) 14–1/0 aluminum/copper or (2) 12–1/0 Al plus (1) 14–4 aluminum/copper. Safety switches are tested per UL98 and NEMA KS1 standards and are UL listed.