- Protection of a plant against destruction due to overvoltage
- Switch-on of a plant at a defined voltage and higher
- Protection from undervoltage due to overloaded control supply voltages, particularly with battery power
Каталог 2018 | Каталог 2017 | Каталог 2016 | Каталог 2015 | Каталог 2014 | Каталог 2013 | Каталог 2012 | Сертификат | Контакты | Карта сайта | Поиск |