Rating Plates; Vacuum Circuit-Breaker - Siemens NXPLUS C Installation And Operating Instructions Manual
Medium-voltage switchgear, fixed-mounted circuit-breaker switchgear up to 24 kv, extendable, single busbar, metal-enclosed, gas-insulated
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- Installation and operating instructions manual (172 pages) ,
- Installation and operating instructions manual (266 pages)
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Description
IAC classification
72/293
10.7
Rating plates
Fig. 36:
Rating plate on the inside of the low-
voltage compartment
①
Switchgear type
②
Serial number
③
Panel number
④
Internal arc classification
The data ④ describes the internal arc classification of the panel according to IEC 62271-200.
The data describes the areas classified for the corresponding panel (see page 59,
"Classification of NXPLUS C according to IEC 62271-200").
10.8
Vacuum circuit-breaker
Operating cycles 3AH55
Rated voltage
Rated current
Rated short-time withstand
current
Rated normal current
Short-circuit breaking current
Fig. 38:
Permissible number of operating cycles n as a function of the breaking current I
(r.m.s. value) in kA
Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • 802-9081.9
Fig. 37:
⑤
Number of operating cycles
⑥
Year of manufacture
⑦
Technical data
kV
7.2
A
≥ 1000/1250/2000/2500
kA
31.5
Operating
cycles
Operating
cycles
Rating plate at the switchgear
vessel
12
15
17.5
≥ 1000/1250/2000
10000
50
24
25
a
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