The GW4 Series 40.5KV High voltage outdoor disconnect switch is a type of electrical switch used for isolating a part of a high voltage electrical circuit. It is designed to operate in outdoor environments and is commonly used in substations and power distribution systems. The switch is rated for a voltage of 40.5 kilovolts (kV) and is capable of interrupting a maximum current of 630 amperes (A). It features a three-pole design with a central rotating blade that can be manually or motor-operated to connect or disconnect the circuit. The switch is constructed with high-quality materials to ensure reliable performance in harsh environmental conditions. It is designed to withstand extreme temperatures, high winds, and heavy rain, making it suitable for use in a variety of outdoor applications. Overall, the GW4 Series 40.5KV High voltage outdoor disconnect switch is an important component of high voltage electrical systems, providing a safe and reliable means of isolating circuits for maintenance or repair.