Same series, same size, and yet more than 1,500 watts apart: the HBL57M52UC shows why electricians ask for the whole model number. This 500 Series combination wall oven is rated at 7,975 watts, less than its relatives, because its heating specification is a little different.
Sizing a circuit from the series name alone can give the wrong answer. The correct figure is on the rating plate and in the installation instructions Bosch publishes for this particular number.
Up top is a compartment combining microwave with multi-rack convection, and under it a full oven, all in a 49 inch column with touch control and Sabbath mode. With time, the fan in the upper compartment and the cooling for the magnetron are what we examine, because both rely on clear ventilation. A single fascia drives two cooking systems, and we check that too.
Not necessarily. Within one series, ovens of identical size can draw very different power. Give the electrician the figure for your exact model number, not an assumption.
Check the label on the oven itself, then confirm it against the setup guide that Bosch issues for your exact model number. Both sources are reliable and should agree.
Its heating specification is slightly different, which brings the total draw down to 7,975 watts. That is why the exact model number matters when a circuit is sized.
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