The Siemens SM100R is a 100A automatic transfer switch designed for use in outdoor environments. It operates at 480V and is housed in a weatherproof 3R enclosure. This transfer switch is capable of switching power sources seamlessly during power outages, providing a reliable backup power solution for various applications. Additionally, it features compatibility with both 120V and 240V systems, adding versatility to its functionality. Ideal for business and industrial settings, this Siemens transfer switch ensures uninterrupted power supply when needed.