Toshiba 4400 Series - Page 51

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4400 Series Installation and Operation Manual – 64527-008
AC/DC
Rectier
DC/AC
Inverter
4400 UPS
Bypass Thyristor
MCCB
AC Input
3Φ/3W or 3Φ/4W
Output
3Φ/3W or
3Φ/4W
Input
Contactor
Output
Contactor
Battery Breaker 1
DC/DC
Converter
Ground
Wire
Optional External Batt. Cabinet
Fuse Fuse
SYNC
Output
Trans-
former
T2
(208V
Wye)
T1
Input
Trans-
former
(208V
Wye)
Fuse
FIGURE 9.3: ONE LINE DIAGRAM OF 4400 UPS WITH OPTIONAL MATCHING 4400 BATTERY CABINET
EMI
Filter
EMI
Filter
Optional: Internal Battery String
Optional
Secondary
AC Input
3Φ/4W
DC/DC
Contactor