Ormazabal cgm.3 system Series - Page 25

Installation
General instructions
IG-136-EN version 10; 23/06/2016
25
cgm.3 system
Fully SF6 gas insulated medium voltage switchgear up to 40.5 kV in accordance with IEC Standards
Metering function
Figure 4.10 Dimensions [mm] of the cable trench for cgm.3-m.
Trench necessary for the metering function
Cable insulation Cable type
Cable section
[mm
2
]
Cable diameter
[mm]
Approximate radius
of curvature*
[mm]
Depth
minimum D2
Dry insulation Single-core 18/30 kV
< 150 41 555 600
185 43 590 650
240 45.2 640 700
300 47.5 685 750
400 48 745 800
(*) Check against the data of the manufacturer of the cable used.