Toshiba 431B Network Hardware User Manual


 
22
4300 Series Ancillary Cabinets Installation and Operation Manual
AC/DC
Rectier
DC/AC
Inverter
4300 UPS
Bypass Thyristor
UPS Input
Isolation
Maintenance Bypass Switch
431M MBS (Optional)
MCCB
AC Input
3Φ-3W0r
3Φ-4W
Output
3Φ-3Wor
3Φ-4W
Input
Contactor
Output
Contactor
UPS
Output
Isolation
Battery Breaker 1
DC/DC
Converter
Ground
Wire
431B Batt. Cabinet
(Optional)
Battery Breaker 2
Fuse Fuse
SYNC
431A Auxiliary Transformer Cabinet (Optional)
CB1
CB2
CB3
Output
Trans-
former
T2
T1
Input
Trans-
former
(208V
Wye)
(208V
Wye)
Fuse
Figure 9-2 - One-Line Diagram of 4300 UPS with Optional matching 431M MBS,
431B Battery Cabinet, and 431A Transformer Cabinet
EMI
Filter
EMI
Filter