{"product_id":"siemens-3sb03-k4r-mushroom-pushbutton-red-lock-twist-release","title":"Siemens 3SB03-K4R Mushroom Pushbutton Red Lock Twist Release","description":"\u003cdiv\u003e\u003cp\u003eSiemens 3SB03-K4R Red Mushroom Pushbutton with Lock-Twist Release is a panel-mount operator designed for industrial control applications. It features a bold red mushroom head with a 40 mm diameter and a built-in twist-release locking mechanism to resist accidental operation, making it suitable for critical control points on machinery and conveyors. As a member of Siemens' SIRIUS ACT 3SB pushbutton family, the 3SB03-K4R represents a robust, mechanically actuated input device intended for use on control panels in demanding environments. The K4R suffix identifies this specific red, lockable twist-release configuration within the 3SB line, delivering reliable actuation with clear operator feedback. Typical uses include operator input for start\/stop or mode selection on industrial equipment where visibility and deliberate action are essential.\u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":46268143829226,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-017.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/siemens-3sb03-k4r-mushroom-pushbutton-red-lock-twist-release","provider":"GTG Hardware","version":"1.0","type":"link"}