IG-284-EN version 03; 06/05/2020
21
General Instructions
cgm
.800: Medium-voltage switchgear with integrated insulation in SF
6
gas
up to 36 kV in accordance with IEC Standard with rated current up to 800 A
Installation
Metering function and auxiliary services
Figure 4.8.
Dimensions [mm] of the cable trench for
cgm
.800-ma
Trench necessary for the metering function and auxiliary services
Cable insulation
Cable type
Cable
section
[mm
2
]
Cable
diameter
[mm]
Approximate
radius of
curvature*
[mm]
Minimum depth
D2
Dry insulation
One-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
< 150
92.7
805
850
* Check against the data of the manufacturer of the cable used.
Table 4.6.
Trench necessary for the metering function and auxiliary services
Summary of Contents for velatia cgm.800
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