Global Vacuum Contactor Market Size, Share, And Business Benefits By Voltage (1-3.6 KV, 3.7-7.2 KV, 7.3-15 KV, Above 15 KV), By End Use (Utilities Sector, Industrial Sector, Commercial Sector, Mining Sector, Others), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends, and Forecast 2025-2034