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With a visually appealing and functional design, SDC door prop alarms are compatible with all access control systems but can also function as a stand-alone solution. Now you can condition access control and security behavior by students on campus and employees at facilities.
Improve security with a cost-effective door prop alarm. All SDC door prop alarms feature audible sirens with adjustable timer settings, two outputs, bypass status indicator light, and vandal- resistant aluminum construction. Available to install in single gang or double gang enclosures, SDC door prop alarms also offer optional keylock and mortise cylinder reset/bypass switches.

SDC’s 490 series emergency release stations provide immediate unlocking of perimeter doors or interior doors that are equipped with fail-safe electric locks. The 490’s built in alarm may be used as a local door annunciator. Specifically designed for emergency door release, 490 series emergency release stations may influence the approval of an electric locking system.

The SDC PTH-4Q is a four wire 4-1/2” x 4-1/2” power transfer hinge with a satin chrome finish. Installed in the center hinge position of the door, PTH power transfer hinges provide the concealed wires required between the door and the frame, for the purpose of powering and monitoring electric door hardware.

SDC’s 490 series emergency release stations provide immediate unlocking of perimeter doors or interior doors that are equipped with fail-safe electric locks. The 490’s built in alarm may be used as a local door annunciator. Specifically designed for emergency door release, 490 series emergency release stations may influence the approval of an electric locking system.

Automatic low-energy swing door operators are designed for applications requiring ADA compliance or user convenience. SDC’s AUTOS136V operator is built with a state-of-the-art microprocessor- based unit that is self-tuning and self-learning while offering non- handed operation, full-mechanical stops and a variety of interface options for sensors, push-plates, fire alarms and electrified locks.

The SDC PT2U is an 18” (447mm) stainless steel armored flex conduit with small plastic end caps. The unit is recommended for use with hollow metal and aluminum frames.

SDC’s QuietDuo™ LR100 series retrofit electric latch retraction kits enable electric access control and dogging of panic and fire rated mechanical exit devices. When energized the motor retracts the exit device latch and pulls the pushpad into the dogged (depressed) position enabling momentary or sustained push and pull operation of the door. The latch retraction mechanism may be activated by an access control, remote control device or building automation system. No door sequencer required for a pair of manual doors when connected to a suitable power supply. The exit device always provides uninhibited egress.
The patented design was the first retrofit motorized electric latch retraction kit brought to market and has been recognized as the market leader ever since. The use of a motorized electric latch retraction device provides several advantages over solenoids including lower current draw, quieter operation and greater durability over time. Designed with cost savings in mind, SDC’s L

The SDC PT-3V is an 18” (447mm) stainless steel armored flex conduit with an aluminum termination box. The unit is recommended for use with hollow metal and aluminum frames.

The SDC 491-BB is a blue surface mount box designed for the 491 emergency break glass station.