
Chapter 2 Installation Instruction 7
NetSure 731 A41 Subrack Power System User Manual
Screw
Cable-bunding plate
(cabling area)
Figure 2-6 Side cabling illustration
2.4.2 Connecting AC Cables
Danger
Danger
1. Switch off all MCBs and fuses before the electrical connection.
2. Only the qualified personnel shall do the power cable connection.
Take the NetSure 731 A41-S1power system for example, the position of the connection terminals are shown in
AC output terminal N
Earthing screw
AC output terminal L
AC output terminal L
AC output terminal N
Figure 2-7 Illustration of the connection terminal
Note
1. Recommended tightening torque of user grounding screw is 10.78N*M.
2. In case system earthing cable lessen, please add another fixing point except for the earthing screw.
2.4.3 Connecting Load Cables
Connect the negative load cable to the upper terminal of load MCB and then connect the positive load cable to
positive terminal. As shown in Figure 2-8.
Positive terminal
Load MCB
Figure 2-8 Illustration of the load connection terminal