The Gira Switching Actuator, 4-gang 16 A with Manual Operation (1004 00), provides four KNX-controlled switching outputs for building automation installations. It is designed to switch compatible electrical circuits in response to commands configured through ETS. Manual operation offers a local way to operate outputs during commissioning or maintenance, where permitted by the product instructions. Typical applications may include switching lighting or other suitable loads, provided the electrical characteristics remain within the actuator’s specified limits. Check the official datasheet for supported load types, channel ratings, inrush-current limits and protective requirements before use. Confirm the correct ETS product database and follow the manufacturer’s wiring and DIN-rail installation instructions.