DDO 500 / 650
Direct Drive Motors are used for installations that do not require anti fall back devices. These are typically industrial roller doors and grilles, non counter balance and vertical lift doors.
The DDO motors 500 & 750 are equipped with a choice of mechanical or digital limits and a low level haul chain to be used in the event of power failure to open or close a door.
Both motors operate at 12rpm. DDO 500 has a 40mm bore while the DDO650 has a 55mm hollow bore..
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