TABLE 1.6 Rating of Contactors and Fuses
OUTPUT CAPACITY OF EQUIPMENT
100kVA 150kVA 225kVA 300kVA 375kVA 500kVA 750kVA
NUMBER APPLICATION
480V 600V 480V 600V 480V 600V 480V 600V 480V 600V 480V 600V 480V 600V
CB1 AC input contactor 135A 200A 350A 450A 660A 660A 910A
CB2
Battery disconnect
breaker
225A 350A 500A 700A 900A 1200A 2000A
CB3 STS contactor 135A 260A
52C
Inverter output
contactor
135A 200A 350A 450A 450A 660A 910A
52S Bypass contactor 135A 200A 350A 450A 450A 660A 910A
Contactor, Breaker
88RC Control circuit contactor 90A
FCU, FCV, FCW AC input fuse 200A-690V 250A-690V 315A-690V
FDU,FDV,FDW
FDX,FDY,FDZ
FDP,FDN
DC arm fuse 450A-690V 450A-690V 630A-690V 900A-550V 900A-550V 630A-690V 900A-550V
FUA, FUB, FUC Control power fuse 30A-600V
(OPTION)
FSU, FSV, FSW
Bypass input fuse
200A-
690V
-
315A-
690V
-
250A-
690V
-
250A-
690V
-
315A-
690V
-
315A-
690V
-
315A-
690V
-
FZS1, 2, 3 Bypass input ZNR fuse 5A- 500V
FBS1, 2, 3 Control power fuse 10A-600V
FZR1, 2, 3 AC input ZNR fuse 5A- 500V
Fuses
FPU, FPV, FPW
Parallel control
circuit fuse
3A- 600V
*Rating would be changed.