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The CAMDEN DOOR CONTROLS INC. CM-331/42SW is a next-generation touchless switch designed for access control and door activation applications. Part of the CM-330 series, this unit allows hands-free door operation through proximity or touchless sensing technology, eliminating the need for physical contact with the switch surface. It is installed as part of automatic door opener systems and access control setups in commercial, institutional, and healthcare environments. Licensed electricians and access control technicians are the primary trade professionals responsible for installation and commissioning of this device.
The CM-331/42SW is suited for interior doorways where hygienic, hands-free activation is required. Typical installations include hospital corridors, assisted living facilities, office building entrances, and any application where ADA-compliant automatic door operation is needed. The touchless sensing design makes it a practical fit in high-traffic areas where contact-based switches present sanitation or convenience concerns. It is sold as a single unit and is categorized as an exit device and push button control.
Designed as an OEM-style replacement or new installation component for access control and automatic door activation systems using CM-330 series touchless switch configurations.
Installation should be performed by a licensed electrician or certified access control technician familiar with low-voltage wiring and automatic door operator systems. Disconnect all power to the door operator and access control panel before beginning any wiring work. Follow applicable NEC guidelines for low-voltage control wiring and adhere to ADA mounting height requirements for accessibility compliance. Consult the manufacturer data sheet for wiring diagrams and mounting details specific to this model.
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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