30.046.028 is a flat black, low voltage, 4-wire distributor timer module manufactured by Iskra. It is designed to provide power to machinery or equipment at predetermined times. The module features adjustable load ratings, a self-setting time delay and protective components such as thermal overload, short circuit and reverse polarity. Its rated voltage is 5-240VAC and frequency of 50/60 Hz and it can handle a maximum current of 22 A. It is suitable for controlling motors, heaters, valves, lighting, ventilation and other devices in industrial, commercial, and residential environments. It is a good choice for automation applications with multiple latching functions, and is widely used in HVAC systems and in automation projects.