7 | Installation
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8DJH • Installation and Operating Instructions • Version 11 • 500-8384.9
7.21.7 Installing voltage sensors
Voltage sensors are mounted on the cable plug instead of the sealing stopper during cable
installation.
NOTICE
Unreleased cable plugs
The use of unreleased cable plugs can damage the switchgear.
⇨ Use only the cable plugs released by the manufacturer of the voltage sensors.
INFORMATION
Observe the manufacturer's installation instructions.
Tab. 46:
Voltage sensors and cable plugs for use
Voltage sensor
Cable plugs
Description
Insulation level
1)
U [kV]
Make
Type
Make
Type
Description
Voltage sensor for cone ac-
cording to EN 50180
24/50/125
Zelisko
SMVS-UW1001
Nexans
(K) (M) 440TB
Cone according to
EN 50180
Cellpack
CTS-S
Südkabel
SEHDT 13
SEHDT 23
Voltage sensor with short-
ened cone for asymmetrical
cable T-plugs
24/50/125
SMVS-UW1002-0
nkt cables
CB-24
Shortened cone
CC-24
TE Connectivity
RSTI-58xx
RSTI-CC58xx
SMVS-UW1002-1
Nexans
430TB
SMVS-UW1002-2
Cellpack
CTS-S 630 A
1)
Rated voltage / rated power-frequency withstand voltage / lightning impulse withstand voltage
Fig. 140:
Voltage sensor (example)
1
Cast-resin hexagon (key size 24)
Tightening torque: max. 30 Nm
2
Connection of earthing cable
▪ Conductor cross-section: min. 6 mm
2
▪ Tightening torque: max. 6 Nm
3
Plug connection of the measuring lead
1. Mount the cable plugs according to the manufacturer's instructions. Do not mount the
sealing stopper of the cable plug.
2. Clean the cone of the voltage sensor and the cable plug with a lint-free wiping cloth.
3. Coat the cone of the voltage sensor with the mounting paste recommended by the plug
manufacturer.
4. Screw the voltage sensor into the cable plug at the cast-resin hexagon
1
.
Fig. 141:
Mounting the voltage sensor (example)
5. Mount the earthing cable at the earthing connection
2
, and connect it to the cross member.
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