When it comes to getting the job done right, you can count on safety switches from ABB. ABB offers a wide variety of general duty switches for residential and light commercial purposes, while the extensive line of heavy-duty switches is best suited for commercial and industrial applications. For the toughest industrial environments — such as cement foundries, steel mills and processing plants — dust-tight and stainless steel switches are available. We also offer a variety of double throw switches for emergency generators. No matter the application, we’ve got you covered with a rugged, reliable and easy-to-install Spec-Setter safety switch. SW NF HD 400A 3P 600V N4X316 A View More