Put two speed ovens next to each other in a showroom and you could not tell them apart, yet the HMC80252UC pulls 3,840 watts, over twice the power of the HMC80152UC with the same cavity size. A far stronger convection system accounts for the gap.
That figure does double duty. It shows how seriously the convection side is built, and it tells the electrician which circuit to install. The oven belongs to the 800 Series, fits a 30 inch opening, and handles microwave, convection, broil and warm settings.
Anyone who runs convection for long stretches adds load to the cooling system, and door interlocks and hinges wear with everyday use. Do not think of it as a main oven. At 1.6 cu ft, against 4.6 in a full wall oven, it handles a lot for a small household but works best as a second oven.
Their convection specifications differ. The higher-wattage unit carries a stronger convection system and needs a circuit rated to match, so always work from the exact model number.
For a small household it covers plenty, but its interior is 1.6 cu ft where a full oven offers 4.6. Think of it as a second oven rather than the only one.
The rating plate on the appliance shows it, and Bosch's installation instructions for your exact model list the same figure. Give that number to your electrician.
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