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. Heavy duty safety switches are designed to provide exceptional electrical protection. They have been designed to have a significantly higher durability than a standard switch and have a durability three times greater than NEMA standard. Some of the things that make these switches desirable is there reliability, life durability, ease to install and safety features. Due to this, these heavy duty switches are the ideal for your electrical disconnect and protection for all your commercial and industrial needs. This is a three pole fusible heavy duty safety switch that is rated at 100A with voltage of 600 VAC and 600 VDC. It is rated when using time delay fuses of 60 HP at 480 VAC three phase and 75 HP at 600 VAC three phase. This device has enclosure rating of NEMA 4, 4X, 5. It is UL listed with the file E2875. This switch is furnished with factory installed Appleton Powertite receptacle.