You should not connect a dimmer to an outlet. They are only designed for light fixtures. If someone plugs in something with any real load it could be hazardous.
From the spec sheet:
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Max Wattage: See below – maximum will vary based on bulb type and whether the heat sink tabs are removed or not
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Heat Sink Tabs Not Removed: 400W Incandescent, 300W LED, 150W CFL
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One (1) Side Heat Sink Tabs Removed: 300W Incandescent, 200W LED, 150W CFL
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Two (2) Sides Heat Sink Tabs Removed: 200W Incandescent, 150W LED, 100W CFL