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Roller shutter controller FF STR-21 230V 50–60Hz screw terminal white
Summary description:
FF STR-21 is a roller shutter controller designed for 230V 50–60Hz mains. It provides screw-terminal connections for wiring and is finished in white. Intended for controlling roller shutters or similar motorized window coverings, it supports integration into standard electrical installations and is suitable for residential and light commercial use.