Here is a microwave oven made for commercial environments. The Winco EMW-1800AT Commercial-Grade Microwave has 1.2 cu.ft of space with a 14-inch platter. It has a stainless steel exterior and interior. It has 5 power levels for you to choose from.
This microwave has 10 preset cooking programs. It lets you store up to 100 of your own programs. This microwave oven is 1800 watts rated.