50-13529 Sectional Door Interlock Switch
50-13529 Sectional Door Interlock Switch is available for shipping.
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Description
Description
NEMA 4 switch is engaged by sectional door lock mechanism and disables operator control circuit when door is locked, therby preventing electrical operation of door when locked. Mounts next to door lock, requires 2-wire connection to operator. May be used with all LiftMaster industrial operators on sectional doors.

