... elbow-joint, you can dust, water, moisture. 15kV 200A to 200A single-pass wall connector provides an interface, the main change ... are: the elbow-joint, elbow arresters and other connectors 200A. When then charged elbow-joint, you can isolate, segment ... .31 min power frequency withstand voltage42DC voltage for 15 minutes53Lightning impulse withstand voltage95Minimum corona inception voltage11 DBG ...