Shelly RC Snubber is a voltage surge suppressor designed to protect electronic devices Great for protecting Shelly relays from surges when activating inductive loads Facilitates installation in installations that use shell relays, improving durability and safety Compatible with multiple Shell devices, including Shelly 1, Shelly 2.5, Shelly 1L and Shelly Dimmer 2 Compact and easy to integrate, with yellow design for instant visibility