iec switchgear_vt's configuration ed04
TRANSCRIPT
The present document stands as information to the Vt's connections configuration, on nxair family switchgears. If any mismatch is found, please report to: [email protected]'s configuration ed04-under construction.xls
11/24/2013
Siemens product ↓CB version
↓Vt's model
↓
nxair nxact / sion 4MR12 screw + F21 screw + F21 F23* screw + F21 screw screw screwnxair M ≤12KV nxact 4MR12 F22 + F21 F22 + F21 F23* * F22 + F21 screw screw screw
15KV ≤ nxair M ≤ 17,5KV nxact 4MR14 F22 + F21 F22 + F21 F23 F22 + F21 screw screw screwnxair M 24KV nxact 4MR14 F22 + F21 F22 + F21 F23 F22 + F21 F23 F23 X
nxair M sion 4MR14 F22 + F21 F22 + F21 X F22 + F21 X F23 F22nxair P 12KV nxact 4MR12 X F22 + F21 F23* X screw screw screwnxair P 15KV nxact 4MR14 X F22 + F21 X X screw screw screw
<=31.5kV <=17.5kV Sion (110-3077.3) (110-3077.3) (110-3077.3) Not developed Not developed (110-3077.3) (110-3077.3) (110-3077.3)
Example pictures:
LegendF21: secondary leadsF22: encapsulated primary wire connectionF23: primary integrated fusex : version not available* : available as special construction (kuko) within 12KV rated voltage* * : standard 4MR12 with F23 made in a 4MR14 frame (size).
PRIMARY AND SECONDARY CONNECTIONS FOR NXAIR FAMILY VT'S
Metering cassete bellow CB
BB Metering panel WITH FUSE
BB Metering panel WITHOUT FUSEBus RiserAditional BB
compartment
VT's assembled on:Cable
compartmentBus riser
withdrawable VT's
F23
4MR14 - 24KV
F23
4MR12 - 12KV
screw
F21
screw
F21
F22
F
110-3077.3 Type Platform without secundary wiring from the supplier,
Nxtools order code: 7,2KV: 029-0687,312KV: 029-0688,315KV: 029-0689,3
Nxtools order codes: e=7,2 KV SIB | 3000213.6,3 29212KV: SIB | 3000413.6,3 29224KV: SIB | 3000613.6,3_1 442 NxairM
