Specification

G11-121 (Model RXT Automatic Transfer Switch) 6/12a Page 4
WCR Ratings with Specific Manufacturer’s Molded-Case Circuit Breakers
Switch
Rating,
Amps
Voltage,
max.
Number
of Poles/
Phases
WCR, RMS
Symmetrical
Amps
Manufacturer Type or Class
Maximum
Size, Amps
100
200
480
3 pole/
3 phase
4 pole/
3 phase
30,000
Cutler-Hammer
FDC, HFD 150
HJD, JDC 250
HKD, KD, KDB, KDC, LA TRI--PAC, LCL 400
Square D
FC, FI 100
KC, KH, KI 250
LA, LC, LE, LH, LI, LX, LXI 400
ITE/Siemens
CED6, HED4, HED6 125
CFD6, FD6, FXD6, HFD6 250
CJD6, HJD6, HHJD6, HHJXD6, JD6, JXD6,
SCJD6, SHJD6, SJD6
400
GE
TB1 100
SEL, SEP, TEL, THLC1 150
TFL, THLC2 225
SFL, SFP 250
SGL4, SGP4, TB4, THJK4, THLC4, TJJ, TJK4,
TLB4
400
400 240
1 phase
3 pole/
3 phase
50,000
Cutler-Hammer
LD, LDB, HLD, LDC, CLD, CHLD, CLDC 600
MDL, HMDL, NB 800
Square D LC, LI, LE, LX, LXI, DG, DJ, DL 600
ITE/Siemens
LD, LXD, HLD, HLXD, HHLD, HHLXD, CLD,
NLGA, HLGA, LLGA, SLD, SHLD, SCLD
600
LMD, LMXD, HLMD, HLMXD, MD, MXD, HMD,
HMXD,CMD,NMG,HMG,LMG,SMD,SHMD,
SCMD
800
GE SGHA,FGN,FGL,FGP 600
Merlin Gerin CJ600N, CJ600H 600
ABB T5, T6 600
400 240
1 phase
3 pole/
3 phase
50,000
If any of the following breakers is selected for application, the continuous load
current must not exceed 80 percent of the switch rating:
Cutler-Hammer
DK, KDB, KD, CKD, HKD, CHKD, KDC, LCL,
LA TRIPAC
400
Square D LA, LH, LC, LI, LE, LX, LXI 400
ITE/Siemens
NJGA, HJGA, LJGA, JXD2, JD6, JXD6, HJD6,
HJXD6, HHJD6, HHJXD6, CJD6, SJD6, SHJD6,
SCJD6
400
Merlin Gerin CJ400N, CJ400H, CJ400L 400