Kapsling med plats för 1st MP1 reläkort.
OPU-1 A is a robust, surface-mounted enclosure, made of white ABS plastic. Owing to its aesthetic appearance, the enclosure can be installed in conspicuous locations in usable space interiors. Its neutral design and compact size make it possible to install many types of SATEL control panels, modules and expanders inside the enclosure. OPU-1 A is provided with a tamper switch.