DDO 650 / 750
Direct Drive Motors are used for installations that do not require anti fall back devices. These are typically industrial roller doors and grilles, non-counterbalanced and vertical lift doors.
The DDO 750 motor is equipped with a choice of mechanical or digital limits and a low-level haul chain to be used in the event of a power failure to open or close a door.
DDO 750 operates at 12rpm and has a 55mm hollow bore.
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