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The SDC - SECURITY DOOR CONTROLS MSB550-2WV36 is a weather resistant switch bar designed for use as an exit device in door access control and egress applications. Built to withstand exposure to the elements, this switch bar provides a reliable, low-profile solution for monitoring door position or triggering an egress signal when the bar is pushed. It is suited for installation on exterior or weather-exposed door openings where standard exit hardware would be vulnerable to moisture and environmental conditions. Security and door hardware technicians are the primary installers of this device.
The MSB550-2WV36 is intended for commercial and light industrial door applications where exit device functionality must be maintained in outdoor or semi-outdoor environments. Typical installations include exterior egress doors, vestibule entries, and other openings subject to rain, humidity, or temperature fluctuation. The finish designation 628 corresponds to a satin aluminum appearance, making it compatible with a range of commercial door hardware finishes commonly found in these environments.
Designed as an OEM-style exit device switch bar for commercial door egress and access control applications. No specific compatible model numbers or system families were provided in the available product data.
Installation should be performed by a licensed door hardware technician or qualified security systems installer familiar with applicable fire egress and building codes. Disconnect or de-energize any access control power supply before servicing or wiring the switch bar. Refer to the manufacturer data sheet for mounting configuration and wiring terminal details. Verify local building and fire codes for egress hardware requirements prior to installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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