3
ABB
This booklet provides information for the ADVAC breakers as described below. Not all sections of the bulletin apply
to all types of ADVAC circuit breakers. For example, the racking and interlock sections do not apply to the fixed
mount breaker styles. All information in this booklet was current at the time of printing.
Style Frame Width
mm
(inches)
Voltage Rating Continuous
Current Rating
Interruption
Ratings
(Symmetrical
RMS)
Configurations
Available
750mm Frames
750mm
(29.5 inches)
5-15kV 1200A
2000A
3000A
to 50kA
(350/1000MVA)
Drawout
Fixed-Mount
540mm Frames
540mm
(21.25 inches)
5-15kV 1200A
2000A
to 36kA
(250/750MVA)
Fixed-Mount
Retrofit Element
FORWARD
DRAWOUT:
Removable circuit breaker unit. Intended for use in SafeGear
TM
, ADVANCE, or abbreviated versions of these
switchgear designs. Contains all racking interlocks and racking features required by ANSI standards. Automatic
primary and secondary disconnects. Provides three operating positions: disconnect, test, and connect.
FIXED-MOUNT:
Intended to be mounted as a stationary device. No racking related interlocks. Primary connections are hard bus.
Secondary wiring terminates in stripped wire leads to be connected to the user’s terminals.
RETROFIT:
Intended to be mounted as a stationary or drawout device. Connections for racking related interlocks are included.
Primary connections are hard bussed. Secondary wiring terminates in stripped wire leads to be connected to the
user’s terminals.
Courtesy of NationalSwitchgear.com