Installing Voltage Sensors - Siemens 8DJH Installation And Operating Instructions Manual

7 | Installation

7.21.7 Installing voltage sensors

Tab. 46: Voltage sensors and cable plugs for use
Voltage sensor
Description
Voltage sensor for cone ac-
cording to EN 50180
Voltage sensor with short-
ened cone for asymmetrical
cable T-plugs
1)
Rated voltage / rated power-frequency withstand voltage / lightning impulse withstand voltage
112/174
Voltage sensors are mounted on the cable plug instead of the sealing stopper during cable
installation.
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.
Observe the manufacturer's installation instructions.
1)
Make
Insulation level
U [kV]
24/50/125 Zelisko
24/50/125
Fig. 140: Voltage sensor (example)
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
Fig. 141: Mounting the voltage sensor (example)
5. Mount the earthing cable at the earthing connection
8DJH • Installation and Operating Instructions • Version 11 • 500-8384.9
NOTICE
INFORMATION
Cable plugs
Type Make
SMVS-UW1001 Nexans
Cellpack
Südkabel
SMVS-UW1002-0 nkt cables
TE Connectivity
SMVS-UW1002-1 Nexans
SMVS-UW1002-2 Cellpack
Cast-resin hexagon (key size 24)
1
Tightening torque: max. 30 Nm
2 Connection of earthing cable
▪ Conductor cross-section: min. 6 mm
▪ Tightening torque: max. 6 Nm
Plug connection of the measuring lead
3
Type Description
(K) (M) 440TB Cone according to
EN 50180
CTS-S
SEHDT 13
SEHDT 23
CB-24 Shortened cone
CC-24
RSTI-58xx
RSTI-CC58xx
430TB
CTS-S 630 A
.
1
, and connect it to the cross member.
2
2