Matrix Telecom Inverter System 
 
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Copyright © 2008-2010 Eaton Corporation.  All Rights Reserved. 
IPN 997-00012-68D    February 2010 
 
 
Step 3 - Connect AC Bus Bars 
 
 
  When necessary, use the spacers provided to keep the bars vertical. 
Connect the 5 bus bars supplied with the MBS/PD shelf from UC3, UC2, UC1 
on STS backplane PCB to the corresponding connectors on the MBS/PD shelf. 
 
•  50A MBS: 
•  Bus Bar 1 for UC3 (inverter output N) 
•  Bus Bar 1 for UC2 (Ground) 
•  Bus Bar 2 x 1 for UC1 (inverter output L) 
•  Bus Bar 3 x 1 for UC4 (STS output L) 
•  Bus bar 4 x 1 for UC5 (AC input L) 
 
 
 
 
•  100A MBS: 
•  Bus Bar 3 for inverter output N 
•  Bus Bar 3 for Ground 
•  Bus Bar 5 x 1 for inverter output L 
•  Bus Bar 2 x 1 for  STS output L 
•  Bus bar 1 x 1 for  AC input L