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Installation Drawings
68
Table 9 Input circuit breaker schedule, 250-800A
STS2/PDU
Rating
STS2/PDU
Input Volts
Circuit Breakers
(See One-Line
Diagrams) Vendor Type Ampacity Voltage
Interrupting
Rating (Amps)
250A
208V
CB6 & CB7
MERLIN
GERIN
NJHN 400A 208-240V 100K
480V NFNN 150A 380-480V 35K
600V NFNN 125A 600V 18K
400A
480V
CB6 & CB7
MERLIN
GERIN
NJHN 250A 380-480V 65K
600V NJHN 200A 600V 25K
600A
480V
CB6 & CB7
MERLIN
GERIN
NJHN 400A 380-480V 65K
600V NJHN 300A 600V 25K
800A
480V
CB6 & CB7
MERLIN
GERIN
NJHN 500A 380-480V 65K
600V NJHN 400A 600V 25K
Table 10 Output circuit breaker schedule, 250-800A
STS2/PDU
Rating
STS2/PDU
Input Volts
Circuit Breakers
(See One-Line
Diagrams) Vendor Type Ampacity Voltage
Interrupting
Rating (Amps)
250A 208V CB8
MERLIN
GERIN
NJHN 250A 208-240V 100K
400A 208V CB8
MERLIN
GERIN
NJHN 400A 208-240V 100K
600A 208V CB8
MERLIN
GERIN
PJD 600A 208-240V 100K
800A 208V CB8
MERLIN
GERIN
PJD 800A 208-240V 100K
Table 11 Non-automatic breaker schedule, 250-800A
STS2/PDU
Rating
Circuit Breakers
(See One-Line
Diagrams) Vendor Type Ampacity Voltage
Withstand
Current
250A
CB1, CB2, CB3
CB3A, CB4, CB5
MERLIN
GERIN
NFHN 250A
208-240V 100K
380-480V 65K
400A
CB1, CB2, CB3
CB3A, CB4, CB5
MERLIN
GERIN
NJHN 400A
208-240V 100K
380-480V 100K
600A
CB1, CB2, CB3
CB3A, CB4, CB5
MERLIN
GERIN
NJHN 600A 208-240V 100K
800A
CB1, CB2, CB3
CB3A, CB4, CB5
MERLIN
GERIN
PJD 1000A 208-240V 100K