
73
| ISOLATING | 
 | 
 | |
| TRANSFORMER | 
 | 
 | |
| Fuse | AC | NON | |
| Fuse | AC | ||
| ISOLATED DBP | |||
| Fuse | AC | 
 | |
| 
 | +Vs | 
 | |
| 
 | DC POWER COMMON IS | ||
| 
 | INTERNALLY CONNECTED | ||
| 
 | TO CONTROL COMMON | ||
| NOTE: DC POWER TERMINALS ARE | Heatsink | ||
| 
 | 
 | ||
| CONNECTED IF SINGLE PHASE | 
 | 
 | |
| IS USED OR IF SHUNT CURRENT | 
 | 
 | |
| HAS TO BE INCREASED | AC | NON | |
| AC | |||
| 
 | |||
| 
 | 
 | ||
| A. External fuses are needed | AC ISOLATED DBP | ||
| for 3U size only | +Vs | 
 | |
| To additional | 
 | ||
| DC POWER TERMINAL IS | |||
| DBPs | |||
| INTERNALLY CONNECTED | |||
| 
 | TO CONTROL COMMON | ||
| 
 | Heatsink | ||
CONNECTING MORE THAN ONE DBP
