Technical Data; Complete Switchgear; Basic Prescriptions And Standards - Siemens NXAIR Operating Instructions Manual

Technical data

4 Technical data
4.1

Complete switchgear

Rated voltage
Rated frequency
Rated power-frequency
withstand voltage
Rated lightning impulse
withstand voltage
Rated short-time withstand current, max.
Rated duration of short circuit, max.
Rated peak withstand current
Rated voltage
Rated normal current of busbar, max.
Rated normal current of feeders, max.
with circuit-beaker
with disconnector
with contactor
with switch-fuse combination
as bus sectionalizer
1)
Available as special version: 32 kV at 7.2 kV, or, except for contactor, 42 kV at 12 kV
2) Depending on rated current of installed HV HRC fuse-links
4.2

Basic prescriptions and standards

The indoor switchgear complies with the following prescriptions and standards:
Switchgear
Switching devices
Current limiting fuses
Voltage detecting systems
Insulation
Degree of protection
Instrument
transformers
Installation, erection
13
[kV]
[Hz]
[kV]
[kV]
[kA]
[s]
[kA]
[kV]
[A]
[A]
[A]
[A]
[A]
[A]
Circuit-breakers
Contactors
Disconnectors / earthing switches
Switch-fuse combination
Current transformers
Voltage transformers
NXAIR / ≤ 40 kA
7.2 12
50/60 50/60
1) 1)
20 28
60 75
40 40
3 3
100/104 100/104
7.2 12
4000 4000
4000 4000
4000 4000
2) 2)
400 400
2) 2)
200 200
4000 4000
IEC / EN standard
62271-1
62271-200
62271-100
60470
62271-102
62271-105
60282-1
61243-5
60071-1
60529
61869-2
61869-3
61936-1
17.5
50/60
38
95
40
3
100/104
17.5
4000
4000
4000
2)
400
2)
200
4000
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