Westinghouse Type W Voltmeter Selector Switch Style 1418722

The Westinghouse Type W Voltmeter Selector Switch, Style 1418722 (part NP28080-E), is a robust rotary switch designed for industrial and electrical panel applications, particularly for selecting voltage measurements in multi-phase systems. This device features a manual rotary handle with four positions: 1, 2, 3, and OFF, allowing users to safely switch between different voltmeter readings without interrupting power. Rated for 600V and 20A continuous current, it is suitable for high-voltage environments such as power distribution panels, control systems, and testing equipment. Key benefits include its durable construction with bakelite and metal components, ensuring longevity and resistance to electrical arcing. It offers reliable performance in selecting phases for accurate voltage monitoring, reducing the need for multiple meters and simplifying wiring. Compared to modern digital selectors, this vintage model provides a cost-effective, mechanical alternative with no electronic dependencies, ideal for legacy systems or environments requiring manual operation. Drawbacks may include its age-related wear potential and lack of modern safety interlocks. Applications span electrical utilities, manufacturing plants, and maintenance operations where precise voltage selection is critical. This unit appears to be new old stock (NOS), with minimal signs of use but some surface oxidation from storage, making it a valuable find for restoration or spare parts in industrial settings.