Security Door Controls

Security Door Controls (SDC) Access Control Hardware

Security Door Controls (SDC) develops and manufactures electronic locking and access control hardware in the United States, covering the full opening: electromagnetic locks, bolt locks, electric strikes, exit and egress devices, ADA actuators, power supplies, and latch-retraction kits. JMAC Supply stocks the SDC lines our customers install most, from EMLock electromagnetic locks to bolt locks and egress controls for commercial, institutional, and government facilities. Browse the full SDC catalog, or shop by category.

Locking Devices

SDC's locking devices are the core of the line. EMLock electromagnetic locks, including the 1500 series and the 350 narrow-line model, hold doors fail-safe for access-controlled openings, while mortise and surface bolt locks (the 100, 200, 1490, and 2090 families) and 15, 25, and 45 series electric strikes cover fail-secure and latch applications across frame types.

Egress & ADA Controls

For code-compliant exit, SDC egress controls include request-to-exit switches, push buttons, and exit devices such as the 400 series, along with delayed-egress options. ADA controls add push plates and touchless actuators that pair with automatic operators for accessible, hands-free entry.

Power, Transfer & Latch Retraction

SDC power supplies and door controls deliver and manage the power an electrified opening needs, power transfer devices route wiring from frame to door, and LR100 ELR kits add electric latch retraction to convert exit devices for access control and remote release.

Spec Help

SDC hardware is engineered and built in the United States, and our team can help match a lock, strike, or egress device to your door and access control system. Reach out or call us at 516-812-0917 with a compatibility question.

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