CSA 470-CSA Rod Contact for Roller Shutters and Rolling Grilles for intrusion alarm systems, designed to detect the lifting of roller shutters and protect access points from break-in attempts. Equipped with a magnetic reed contact for reliable operation even in damp and dusty environments, with 2-wire hardwired connection and direct installation in the shutter box. Made with a black thermoplastic housing and aluminum rod, it offers durability and ease of installation. Eaton-CSA