Prescribes the requirements to obtain a component with recognized assessed quality. The devices covered are in the low current category. In addition to the testing procedures to assure quality, this document also outlines the physical dimensional parameters to assure interchangeability in industry. As the means to establish the quality of the device and assure compatibility with its intended application, this document allows the choice of the test programmes - electrical, mechanical and environmental - to match the rotary switch to the end use appliance. This standard should be of special interest to the instrumentation experts and manufacturers of appliances requiring circuit selection capability.