Mechanical interlocking by base plate, ComPact NSX400/630

It is a mechanical interlocking system for two Compact NSX 400/630 devices with a base plate. The authorized positions are one device OFF (closed) and the other ON (opened), or the two devices OFF (closed). Interlocking is carried out on the base plate by a mechanism located behind the devices. The base plate can be installed horizontally or vertically on a mounting rail.