Installation Manual
| DCIPS2B-S-00-B11 Power Supply System
32
33
+1 (208) 635-6400 | www.transtector.com
+1 (208) 635-6400 | www.transtector.com
4.6 DC Load Connection
Before connecting DC load cables, check that the cable rating is matched with selected the
MCB and/or load.
1. Check that all the load MCBs are in the OFF position.
2. Connect the negative (-) cable from the load to the relevant -48V bus bar at the rear of
the power rack. Use the M6 Hex screw and washer to fix the load cable lug and tighten
to 8.0 Nm. The -48VDC bus bar has been connected to the relevant DC breakers.
Connect the positive (+) cable from the load to the relevant positive terminal on the bus
bar. Insert the stripped cable into the opening on top of the terminal and tighten the
screw to 3.0 Nm.
3. Connect the positive (+) cable from the load to the relevant positive terminal on the bus
bar. Use the M6 Hex screw and washer to fix the cable lug and tighten to 8.0 Nm.
4. Check the load connection is right and load can be controlled by the corresponding load
breaker.
F6 F5 F4 FB2
F3 F2 F1 FB1
0V Return Bus
Figure 4-13 DC Load Connection
4.7 Battery Connection
The battery cables are not delivered with the system.
1. Check that all the battery MCBs are in the OFF position.
2. Connect the negative (-) cable of each battery string to the relevant -48V bus bar at
the rear of the power rack. Use the M8 Hex screw and washer to fix the load cable lug
and tighten to 20 Nm. The -48VDC bus bar has been connected to the relevant battery
breakers (FB1, FB2). Refer to Appendix C for details.
3. Connect the positive (+) cable of each battery string to the relevant positive terminal on
the bus bar. Use the M8 Hex screw and washer to fix the cable lug and tighten to 20 Nm.
4. Connect the other ends of the battery cables to the “-“and “+” terminals of the batteries.
Figure 4-14 Battery Connection
