Installation manual

11-24 Frame 14 Installation
Frame 14 Circuit Breakers
Frame 14 drives utilize molded case circuit breakers (MCCBs) to provide
overload/overcurrent and undervoltage protection on the incoming AC lines
and to synchronize the energizing of the power structures. The circuit
breakers are located inside of the enclosures in front of the AC Chokes.
Push On
Push Off
OFF
DISCHARGED
SPRING
L
S
I
N
Push On
Push Off
OFF
DISCHARGED
SPRING
L
S
I
N
Rectifying
Structure
Note: Control Frame not shown for clarity only.
Power
Structure
Power
Structure
1500A Drives
Power
Structure
Rectifying
Structure
Drives Above 1500A
Power
Structure
Rectifying
Structure
Power
Structure
Rectifying
Structure