Rotary wafer switches (low current rating). Part 2 : Rotary wafer switches with central mounting

This document establishes specific technical requirements for rotary blade switches with low current ratings, specifically focusing on the design and construction of center-mounted variants. The standard defines critical parameters related to electrical performance, mechanical durability, and safety characteristics essential for ensuring reliable operation in various applications. Detailed provisions cover dimensional tolerances, contact arrangements, and insulation properties to guarantee compatibility and interchangeability among similar components. It outlines testing procedures and criteria used to verify that manufactured units meet the prescribed operational limits under defined conditions. The text addresses environmental factors affecting performance, including resistance to heat, humidity, and mechanical stress over time. By setting uniform benchmarks, this specification facilitates consistent manufacturing practices and quality control measures globally. It serves as a foundational reference for engineers and manufacturers involved in the production and selection of such switching devices, ensuring they adhere to established engineering principles and safety norms without deviation.