Chamberlain Professional Products’ line of LiftMaster Elite Series Logic 3.0 Commercial Door Operators features four optional plug-in boards that provide maximum product flexibility and convenience, forgoing the need for additional wiring. Three of the boards are also backwards-compatible with the Logic 1.0 and 2.0 Commercial Door Operators. The Auxiliary Contact Option Board provides dry contact relays to operate other devices such as external heaters, security, or warning devices. These devices can be at 24V, 120VAC, or 240VAC. The Red Green Warning Signal Option Board is ideal for high traffic areas. The CP3 Option Board is a photo eye and failsafe edge-reversing option board that supports a two- or four-wire fail-safe electrical edge and an additional set of photo eyes. The FDR Interface Option Board simplifies wiring when an operator is used in conjunction with Chamberlain’s fire release devices. The operators come with an on-board three-channel radio receiver, an expanded maintenance alert system, a more robust motor and an enhanced timer.Chamberlain Professional Products

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