Nexans 33kV CWS Indoor Outdoor Single Core Heat Shrinkable Termination Installation Guide
- June 13, 2024
- Nexans
Table of Contents
Nexans 33kV CWS Indoor Outdoor Single Core Heat Shrinkable Termination
Installation Guide
MONOi/MONOe-1
INDOOR/OUTDOOR SINGLE CORE HEAT SHRINKABLE TERMINATION INSTALLATION INSTRUCTION IM1778EI.3 ed. 15/09/2020
- TYPE OF CABLE: Solid insulation (XLPE-HEPR)
- SECTION: Up to 1600 mm² Cu/Al
- TYPE OF SCREEN: Copper wires
- VOLTAGE: Umax 36 kV
ASSEMBLY OF THE TERMINATION
Prepare the cable and cut the exceeding length.
Remove the outer sheath for the length “L” (“L” see the table). Abrade the
outer sheath for 100 mm and clean with solvent.
| TYPE | INDOOR TYPE |
|---|---|
| SECTION RANGE (mm2) | 25 ÷ 95 |
| 1000 | 800 ÷ 1200 |
| L (mm) | 400 |
| TYPE | OUTDOOR TYPE |
| --- | --- |
| SECTION RANGE (mm2) | 25 ÷ 95 |
| 1000 | 800 ÷ 1200 |
| L (mm) | 500 |
Apply a layer (20% overlap) of red mastic “MBA” for 30 mm length.
Fold back the copper screen wires and fix them temporarely at 150 mm from cut sheath with some turns of pvc tape.
Remove the semi-conductive layer leaving 40 mm out of the outer sheath taking
care not to damag the insulation.
Bare the conductor for the length “C” (“C”= inside depth of lug) for bolted
lug or “C+5mm” in case of compression lug.
Position the lug and crimp it or break the screws in case of bolted lug
following the manufacturer’s instructions.
Apply a layer of red mastic “MBA” (20% overlap) over the screen wires covering
the previous layer of “MBA”. Fill the cavities over the lug with red mastic
“MBA
Wrap around the exposed conductor the red mastic “MBA” stretching it, wrap
till reaching the lug barrel diameter. Wrap also the same mastic around the
lug barrel.
Remove the protective paper (the one with the printing) from the MACD pad.
Apply the stress relief mastic pad “MACD”, lightly stretched, starting from
the cut outer sheath
Slide the red tube “GT12” (stress control + insulation) till the TOP edge of
red mastic “MBA” applied over the cable lug.
Start heatshrinking from the top downwards.}
Remove the PVC tape previously applied on the screen wires and split them into two parts; wrap the wires at the bottom of shrunk tube (one round) making a ring.
Twist the screen wires, cut straight and crimp OR screw the grounding lug.
INDOOR TERMINATION IS FINISHED
Adjust torch to give a soft blue flame with yellow tip.
Heatshrink tubes uniformly avoiding wrinkles along the surface.
Keep the flame moving continuously and maintain adequate distance to avoid over heating.
This product should be installed by competent personnel familiar with electrical equipment and safe operating practices. Parts contained in this kit should be visually inspected for possible damage, and installed in accordance with these instructions. These instructions are not intended as a substitute for adequate training and experience.
Please dispose of all waste according to environmental regulations.
The company reserves the right to alter without notice the information contained in this installation manual.
Nexans Italia S.p.A.
nexans.com/power_accessories
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