General instructions
Installation
IG-136-EN version 10; 23/06/2016
20
cgm.3 system
Fully SF6 gas insulated medium voltage switchgear up to 40.5 kV in accordance with IEC Standards
Fuse protection function
Figure 4.5 Dimensions [mm] of the cable trench for cgm.3-p
Front and rear cable input
or output (D1)
Side cable input or
output (D2)
Trench necessary for the fuse protection function
Cable data
Approximate radius
of curvature*
[mm]
Minimum depth
Cable insulation Cable type
Cable section
[mm
2
]
Cable diameter
[mm]
D1 [mm] D2 [mm]
Dry insulation
Single-core 18/30 kV
< 50 35 430 500 500
70 36.5 460
550 550
95 38 500
150 41 555 600 600
3-core 18/30 kV < 95 86 735 1050 1050
(*) Check against the data of the manufacturer of the cable used.
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