42
Instruction Booklet
IB022018EN
Effective July 2020
Instructions for the installation and
EATON
www.eaton.com
Figure 72.
MV AND LV
CABLE VAULT
31.5
[800.00 mm]
MINIMUM
(SEE NOTE 1)
16.0
[406.00 mm]
MINIMUM
BOTTOM VIEW
106.29
[2699.77 mm]
70.87
[1800.00 mm]
REF
SEE NOTE 2
23.62 [600 mm]
1250A
31.50 [800mm]
2000A
15.75
[400.00 mm]
HV ENTRY
"SEE FLOOR PLAN DETAIL FOR
DETAILED DIMENSIONS"
NOTES:
1.
MINIMUM RECOMMENDED CABLE VAULT DEPTH IS BASED ON
USE OF MAXIMUM (3) 1000 KCM OR 500 SQ MM MV
POWER CABLES PER PHASE.
IT IS CUSTOMER'S RESPONSIBILITY TO DETERMINE APPROPRIATE
CABLE VAULT DEPTH BASED ON ACTUAL NUMBER OF CABLES PER
PER PHASE, THEIR SIZES, AND TOTAL NUMBER OF CABLES FOR
THE SWTCHGEAR LINEUP TO BE INSTALLED IN THE VAULT.
2.
SEE FLOOR PLAN DETAIL FOR SUGGESTED MOUNTING OPTIONS
3. OPENING IS FOR BOTH HV AND LV CABLE ENTRY. SEE FLOOR PLAN
FOR ADDITIONAL DETAILS.
4. MINIMUM 1.00 IN [25.4 MM] FULL-DEPTH ENGAGEMENT REQUIRED
BETWEEN SUPPORT STRUCTURE AND SWITCHGEAR BASE
CHANNEL ON BOTH ENDS OF THE LINEUP. SUPPORT ENGAGEMENT
OF MORE THAN 1.00 IN [25.4 MM] COULD RESULT IN INTERFERENCE
WITH AVAILABLE LV ENTRY AREA.
5. FLOOR SUPPORT STRUCTURE CONSIDERATIONS TO BE
DETERMINED BY SITE ENGINEER.
6. WHEN ZERO SEQUENCE GROUND FAULT CT'S ARE UTILIZED, THEY
MUST BE LOCATED IN THE CABLE VAULT. THEREFORE, ADDITIONAL
VAULT DEPTH WILL BE REQUIRED TO ACCOMMODATE THESE
DEVICES. IT IS THE CUSTOMER'S RESPONSIBILITY TO DETERMINE
ADDITIONAL VAULT DEPTH REQUIREMENTS BASED ON DEVICE
TYPE AND MOUNTING PROVISIONS.
7.87
[200.00 mm]
LV ENTRY
6.0
[150.00 mm]
6.0
[150.00 mm]
MINIMUM
SECTION A-A
1
[25.4 mm]
SEE NOTE 4
1
[25.4 mm]
SEE NOTE 4
SEE NOTE 5
SEE NOTE 5
A
SEE NOTE 5
A
SEE NOTE 3
SEE NOTE 3
67.72
[1720 mm]
1.57
[40.00 mm]
REF
1.57
[40.00 mm]
REF
2.95
[75.00 mm]
2.95
[75.00 mm]
2.76
[70.00 mm]
2.76
[70.00 mm]
Example XGIS switchgear cable vault foundation diagram.
