The Berner 9503MRS1F2SSHD is a heavy-duty magnetic reed door switch designed specifically for shipping and receiving doors. Operating on a 24 Volt system, this switch ensures reliable performance in high-traffic environments. Its robust construction provides durability and longevity, making it ideal for commercial applications. The magnetic design allows for seamless operation, enhancing security and efficiency in door management. Perfect for businesses that require dependable access control solutions.