Fuse protection function
Dimensions in mm.
Front and rear cable input or output with straight terminal (D1/D2).
Side cable input or output with straight terminal (D3/D4).
Figure 4.5. Dimensions [mm] of the cable trench for cgmcosmos-p
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 D3
Height 1300 mm
Dry insulation
Single-core
≤ 50 38
500
550
c.
70 38
95 38
150 38
≤ 95 38
c.
Three-core
150 85
750
185 85
D2 D4
Height 1740 mm
Dry insulation
Single-core
≤ 50 38
500
370
c.
70 38
95 38
150 38
≤ 95 38
c.
Three-core
150 85
750
185 85
* Check against the data of the manufacturer of the cable used.
(c.) Please check with Ormazabal.
Table 4.3. Trench necessary for the fuse protection function
IG-296-EN version 01; 12/03/2020
21
General instructions
cgmcosmos: Medium voltage cubicles with full insulation
in SF
6
gas up to 24 kV in accordance with IEC Standard
Installation