Delta DPS-400K User Manual page 66

questions about the external battery cabinet's protective device, please contact Delta
service personnel. Please refer to Figure 5-18 ~ Figure 5-20 for the installation of the
protective device for the external battery cabinet.
1. Option 1: An isolated switch connected in series with a DC fuse
(Figure 5-18: Installation of An Isolated Switch Connected in Series with a DC Fuse)
2. Option 2: A DC circuit breaker
Ultron DPS Series
+
N
-
External
Battery
Cabinet
+
N
-
External
Battery
Cabinet
(Figure 5-19: Installation of a 4-Pole DC Circuit Breaker)
DC Fuse Isolated Switch
4-Pole DC Circuit Breaker
5-20
+
N
-
+
N
-