10
S&C Instruction Sheet 716-504
Installation
Figure 1. Model 2020 Series 2000 Circuit-Switcher rated 138 kV.
High-speed base —
contains
interrupter power train
Pressure-relief device
and low-gas-pressure
indicator
Interrupter
Insulating
support column
Support arm
Disconnect blade
Disconnect
power train
Support brace
Operator
Operator
support plate
Switch-position
indicator