"Voltage relay Sven OVP-11F 1 Sockets, status indication, Protection of connected devices - http://www.sven.fi/ru/catalog/filter/ovp_11f.htm"
"Voltage relay Sven OVP-11F 1 Sockets, status indication, Protection of connected devices - http://www.sven.fi/ru/catalog/filter/ovp_11f.htm"