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OnLine Power
3
RESERVE INPUT
POWER SOURCE
1
2
3
N
4
INPUT
TB10
CIRCUIT
BREAKER
1
2
3
N
4
INPUT
POWER
3 PHASE
Optional
1
Line removed when External Reserve Input Power is in use.
2
Use for different Input and Output Voltage unit.
3
Reserve input voltage must be same as UPS output voltage.
NOTE: Optional External Wrap-around Bypass Switch is available.
ILLUSTRATION 2-6: FUNCTIONAL BLOCK DIAGRAM FOR DUAL WYE INPUT POWER
CONTACTOR
TVSS
2
INPUT
CONTACTOR
INPUT
XFMR
1
STATIC
SWITCH
OUTPUT
XFMR
INVERTER
STATIC
SWITCH
BATTERY
CIRCUIT
BREAKER
BATTERY
CABINET
Batt.
Batt.
Batt.
Batt.
Batt.
Cab 1
Cab 2
Cab 3
Cab 4
Cab 5
2-9
OUTPUT
TB11
CIRCUIT
BREAKER
1
2
INPUT
MAINT.
3
BYPASS
SWITCH
N
4
OUTPUT
POWER
3 PHASE
AUX OUTPUT CBs
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