Finder Industrial Switches Dimmer actuator 610135 - Finder 15.21.8.230.B300, The Finder 15.21.8.230.B300 dimmer actuator is a 1-channel device in grey, designed to control lighting levels efficiently. It is typically used in residential and commercial settings to adjust light brightness according to user preferences. Its compact design and reliable performance make it ideal for integration with smart home systems. Finder 15.21.8.230.B300 YESLY dimmer actuator grey for smart light control