https://www.se.com/us/en/product/HU368R/safety-switch-heavy-duty-non-fusible-1200a-3-wire-3-pole-500hp-600v-ac-dc-nema-3r/
HU368R - Safety switch, heavy duty, non fusible, 1200A, 3 wire, 3 pole, 500HP, 600V AC/DC, NEMA 3R...
Schneider Electric USA. HU368R - Safety switch, heavy duty, non fusible, 1200A, 3 wire, 3 pole, 500HP, 600V AC/DC, NEMA 3R.