Pizzato ES AC31020 Complete unit with enclosure, Key selector and contacts

The unit features a durable and protective enclosure that safeguards the internal components from external elements such as dust, moisture, and physical damage, ensuring reliable performance over time. The key selector switch allows authorized personnel to switch between different operational settings or modes, enhancing security and preventing unauthorized changes to system configurations. The integrated contacts work with the key selector to activate or deactivate machinery based on the selected mode.