APC VS 100 User Manual

Magnum VS –48 Vdc User’s Manual 

                                     

  Page 11 

 
Cable Size Considerations 
 
The dc load cable(s) should be sized to limit the voltage drop from the dc power plant to the 
loads per system design requirements.  The cable(s) must also carry the full load current during 
battery operation.  During battery operation the voltage will be lower and for constant power 
loads, the current will typically be higher.  If assistance is required to determine the necessary 
cables for the application, contact your sales representative or APC. 
 
Circuit Breaker Protected Load Connections (30 or 60 A) 
 
The circuit breaker lug landing connection provides a pair of #10-32 studs on 5/8” centers for 
mounting two-hole lugs.  A ring size of 6 mm may also be used.  A right angle bus bar with two 
studs is provided to land the lugs.  Load Connections should be made as shown in.  Cover 
connections with heat shrink after assembly. 
 

 

 

 
GMT Fuse protected Load Connections 
 
Connections for ¼ to 14-A loads require a ring terminal with a 0.170 in (4.3 mm) clearance hole 
and are located at the rear of the unit.  Load connections should be made as shown in Figure 
3.8-2 and Figure 3.8-3 

Load Returns 

-54 Volt Load Connections