DC Switchgear Market – Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented By Voltage (Up to 750 V, 750 V to 1,800 V, 1,800 V to 3,000 V, 3,000 V to 10 kV, Above 10 kV), By Deployment Type (Fixed Mounting, Plug-In, Withdrawable Units), By Application (Railways, Solar Farms, Battery Storage, EV Charging Infrastructure, Marine, Power Generation, Others), By Region, and By Compe