The S16SR series selector switches are ideal for installation in compact-sized equipment and panels. The 16 mm installation hole size, 29.5 mm protruding rear-length, and independent detachable contacts allow flexible installation in limited spaces. The S16SR series is available in round, square, and rectangular head types with red, blue, green, yellow, and white color options. 2-position (spring return/maintained) or 3-position (two-way spring return/right spring return/left spring return/maintained) control is possible depending on the model type.