Delta Modulon DPH Series User Manual page 94

Please follow your UPS rating to install an appropriate protective device for each exter-
nal battery cabinet. There are two installation methods for selection.
1. A 4-pole DC circuit breaker or DC isolated switch connected in series with a DC fuse
2. A 3-pole DC circuit breaker or DC isolated switch connected in series with a DC fuse
For relevant values, please refer to Table 5-4; for relevant installation diagrams, please
refer to Figure 5-18 ~ Figure 5-19.
Table 5-4: External Battery Cabinet's Protective Device (Default Battery Q'ty:
12Vdc × 40 PCS)
UPS
Rating
200kVA/
200kW
300kVA/
300kW
400kVA/
400kW
500kVA/
500kW
600kVA/
600kW
Modulon DPH Series
WARNING:
A battery leak can short-circuit the batteries and lead to serious accidents. For
safety's sake, you must insulate the batteries from their touched metal cabinets
by installing insulated devices (e.g. insulated trays or boxes) in between. For
relevant information about the insulated materials for such application, please
contact Delta customer service.
4-Pole DC Circuit
Power Breaker or 4-Pole
Module DC Isolated Switch
Q'ty (Per Pole Voltage
4
6
8
10
12
3-Pole DC Circuit
Breaker or 3-Pole
DC Isolated Switch
(Per Pole Voltage
500A
800A
1000A
1200A
1600A
5-22
DC fuse
(voltage
500A 450A
800A 700A
1000A 900A
1200A 1200A
1600A 1400A