Vertiv NetSure 731 A91 User Manual

Chapter 2 Installation Instruction 7
NetSure 731 A91 Subrack Power System User Manual
2.4.2 Connecting AC Input Cables
Danger
Danger
1. Switch off all MCBs before the electrical connection.
2. Only the qualified personnel can do the mains cable connection.
For NetSure 731 A91-S1 power system, the position of the connection terminals are shown in Figure 2-6.After
connecting AC cables, fixing cables on top or side cable banding area by using cable ties.
Earthing screw
AC input terminal N
AC input terminal L3
AC input terminal L2
AC input terminal L1
Figure 2-6 Illustration of NetSure 731 A91-S1 connection terminal
 Note
1. Recommended tightening torque of user grounding screw is 11N*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 2-7.
Non- prority load Prority load
Positive terminal
Figure 2-7 Illustration of the load cable connection terminal

Vertiv NetSure 731 A91 Specifications

General

Brand	Vertiv
Model	NetSure 731 A91
Category	Power Supply
Language	English