Power requirements for Spruce Controller

The Spruce Controller requires a 24 VAC input with 400 mA minimum current.  Each Spruce Controller includes a 120 V transformer with a 2.1 mm x 5.5 mm barrel plug.  Note that this is very different from a 24V DC power supply, which can be small and compact (an AC transformer typically has a large ‘brick’ in the power supply).

If desired, power can be delivered to the unit via bare wires.

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