These Square D heavy duty safety switches are designed to provide exceptional electrical protection in the most grueling conditions. 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 two pole fusible heavy duty safety switch that is rated at 800A with voltage of 240 VAC and 250 VDC. It is rated when using time delay fuses of 50 HP at 240 VAC single phase and 50 HP at 250 VDC. This switch has a 3 wire configuration and is rated for 750 kcmil to 3/0 AWG aluminum or copper wire This device has enclosure rating of NEMA 3R and it is made of stainless steel. It has a height of 69.13 in, width of 36.62 in and has a depth of 17.75 in. It is UL listed with the file E2875.