DESC: Mini/Maxi commercial conveyer toasters are designed to unformly toast breads, buns, bagels, and muffins in large quantities, using continuous feed methods. 3" opening. Feed tray connects to front of unit without tools. Tray is angled to feed continously. Unique air flow design keeps case, top, ans sides cool. Equipped with an auto cool down feature which allows the fan to cool the outer skinn when the unit is turned off. Rotary 3-position dial selects on/off standby positions. Conveyer sped dial . Heat diles. TC17D3 toasts approximately 200+ slices per hour at 120V or 400+ slices an hour at 208/240V. TC21D3Toasts 900+ slices per hour at 208.240V.