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Type DR7
Center Break Switch
8.25 thru 362 kV Voltage
3000A
The DR7 Center-Break Switch is a three-pole, two-insulator disconnect switch.  It is primarily used for 3000Amp applications.  The DR7 Switch has removable stationary contacts of silver plated copper, and removable moving contacts of tinned plated copper.  The DR7 is supplied with a weather-sealed greaseless rotor bearing with two sets of stainless steel ball bearings that never require maintenance.  The switch base is made of galvanized structural steel that can be adapted to match a variety of structure arrangements.  The DR7 switch is another proven design that has successfully served the electrical industry for many years.