The Duke 175503 rocker switch is an electrical control component designed for compatible commercial foodservice equipment. Rated at 16A and 125V, this switch helps control equipment operation through a convenient rocker-style mechanism. It is a replacement option for servicing equipment when an existing switch becomes worn, damaged, or stops functioning correctly. Selecting the correct electrical rating is important for maintaining safe and reliable operation. Before installation, verify the part number, voltage, amperage, terminal configuration, and equipment requirements to confirm compatibility. Proper installation by a qualified technician can help restore the intended control function and support routine equipment maintenance.