The relay module MR-4 "RUBETEK" (hereinafter referred to as the module) is designed for connection to the fire addressable analogue fire control and monitoring device PPK-02-250 "RUBETEK" (hereinafter referred to as PPK) or to the system controller KS-02-250 "RUBETEK" (hereinafter referred to as KS) of smoke exhaust fan control cabinets SHU-DU and other equipment controlled by means of dry contact (hereinafter referred to as SC). The module is designed for indoor installation in places protected from atmospheric precipitation, aggressive media and dust, as well as in especially explosion- and fire-hazardous premises.
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