ST Series Power Supply Instruction Manual STANDARD OPERATION
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6 – STEP START fault indicator
7 – MAIN CIRCUIT BREAKER Turns the unit on and off. Prevents excessive input
current.
Figure 4-2, HVPS Rear Panel Functions
8 – AUX CONTROL BREAKER Prevents excessive current for Control Power
generation.
9 – FILAMENT SUPPLY BREAKER Prevents excessive current for the Filament
Supply operation.