Hard to find RTU 3305. This is a 24 volt dc model. These units are used but in good working order. Memory battery needs to be replaced. First 4 sold comes with new battery. This units are no longer in production and are getting harder to find. One of Bristol's most soled and reliable RTU's.
Bristol Babcock 3305, Business & Industrial, Automation, Motors & Drives, Control Systems & PLCs