Heavy duty safety switches are available in 30 - 1,200 amp ratings and in type 1, 3R, 12 and 4x enclosures. Both fusible and non-fusible versions are offered. They can be used on circuits that are rated through 200K when protected by or used with class R or j fuses. They feature quick make and break operation and visible blade construction. Photovoltaic disconnect switches are specifically designed form use in solar applications. They are 3 pole switches that are UL approved to be used on 3 separate 600V dc circuits. They are form use in control panels and other equipment that have enclosures that accept flange mounted operating handles.