Stanley Access Technologies
185101-1
MC521 Pro Single Controller
MC521 Pro single (black face)
Identification
Black-face single-motor controller, face P/N 185101-1. Not interchangeable with Pro dual 185101 from a title match.
Do not confuse with: Not Pro dual 185101; not Classic 185000; not an iQ board.
AutoDoor Atlas field photo. Last reviewed 2026-08-16.
Documented systems
Association is not automatic interchange. Verify the installed revision before ordering.
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