![Delta Ultron HPH Series User Manual Download Page 45](http://html.mh-extra.com/html/delta/ultron-hph-series/ultron-hph-series_user-manual_2474734045.webp)
44
NOTE:
1. The above mentioned DC fuse and DC circuit breaker are optional. For details,
please contact Delta service personnel.
2. If you need to parallel multiple strings of external battery, please contact Delta
service personnel for relevant information.
The external battery cabinet’s protective device must be planned and designed by qualified
service personnel. The protective device could be either an isolated switch connected in
series with a DC fuse or a DC circuit breaker; please refer to
Table 5-2
. When choosing
the external battery cabinet’s protective device, please take the following factors into
consideration: (1) overcurrent between the UPS and battery circuit, (2) fault current, (3)
wire/ cable material, and (4) local electrical regulations. If you have any questions about
the external battery cabinet’s protective device, please contact Delta service personnel.
Please refer to
Figure 5-13~5-15
for the installation of the external battery cabinet's
protective device.
Option 1: An isolated switch connected in series with a DC fuse
(Figure 5-13: Installation of An Isolated Switch Connected in Series with a DC Fuse)
Option 2: A DC circuit breaker
1) 4-pole DC circuit breaker (per pole voltage
≥
250Vdc)
Summary of Contents for Ultron HPH Series
Page 14: ...Ultron HPH Series 13 2 6 Rear Panel Figure 2 3 20kVA UPS Rear Panel ...
Page 81: ...80 ...
Page 105: ...104 ...
Page 106: ...Ultron HPH Series 105 ...
Page 113: ...112 ...
Page 114: ...Ultron HPH Series 113 ...
Page 132: ...5013285200 ...