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86-510-83720170 -8007 |
E-mail: lanhong@lhdz.com |
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 NAL/NALF(12KV,17.5~24KV,40.5KV ) switch disconnector（licensed by ABB, manufactured by Wuxi Lanhong Electric Co., Ltd.） |
NAL switch disconnector (comply with IEC 60265-1:1997 GB3804-1990)
NALF fuse switch disconnector-fuse composite apparatus (comply with IEC60420:1990 GB16926-1997)
NAL switch disconnector and NALF fuse switch disconnector are high voltage switch disconnectors combined air-blast arc extinction with aerogenesis arc extinction. So far, more than 550,000 units installed worldwide are in use.
By combining NAL switch disconnector with fuse, the fuse switch disconnector possesses both advantages. NAL switch disconnector disconnects any load currents until its rated breaking current; the fuse and its striker break any over-load current until any fuse switch disconnector’s rated short-circuit breaking current..
Manufacturer: Lanhong electric Co., Ltd. Wuxi, China (License of ABB).
Manufactured by ABB factory in Poland.
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NAL12 / NALF12 |
NAL12 / NALF12系列 (GB)
NAL17.5/NALF17.5系列（IEC） |
NAL24 / NALF24 |
NAL36 / NALF36 |
NAL12 |
NAL12 |
NAL24
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NAL36
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NALF12
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NALF12
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NALF24
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NALF36 |
| Experiment report |
NAL12 |
NALF12 |
NAL36 |
NALF36 |
NAL24
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Technical Authorization
of ABB |
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NAL/NALF Technical Data |
Rated voltage |
KV |
12(IEC) |
17.5 (IEC) |
12(GB) |
24(GB) |
36 (IEC) |
Rated frequency |
Hz |
50/60 |
50/60 |
50 |
50 |
50 |
Rated impulse withstand voltage |
Between phases and to earth |
KV |
75 |
95 |
75 |
125 |
170 |
Between breaks |
KV |
85 |
110 |
85 |
145 |
195 |
Rated power frequency withstand voltage 50Hz,1min |
Between phases and to earth |
KV |
42 |
45 |
42 |
65 |
70 |
Between breaks |
KV |
42 |
60 |
48 |
79 |
80 |
Rated short circuit making current（peak） |
KA |
67 |
50 |
50 |
50 |
50 |
Rated peak withstand current |
KA |
82 |
82 |
50 |
50 |
50 |
Short time withstand current |
KA |
25/2s |
25/2s |
20/4s |
20/2s |
20/2s |
31.5/2s |
Rated active load switch breaking current |
A |
630 |
1250 |
630 |
1250 |
630 |
1250 |
630 |
630 |
Rated closed-loop breaking current |
A |
630 |
1250 |
630 |
1250 |
630 |
1250 |
630 |
630 |
Rated cable charging breaking current |
A |
10 |
10 |
10 |
16 |
21 |
Main circuit resistance |
μ Ω |
≤105 |
≤105 |
≤105 |
≤105 |
≤105 |
Phase distance (center distance) |
mm |
150/170/210
210 |
170/210 |
170/210 |
235/275 |
360 |
Rated current of fuse switch disconnector |
A |
100 |
100 |
100 |
100 |
100 |
Maximum fuse current of the fuse switch disconnector |
A |
125 |
125 |
125 |
125 |
50 |
Main circuit resistance the fuse switch disconnector |
μ Ω |
≤250 |
≤250 |
≤250 |
≤250 |
≤250 |
Rated short circuit breaking current of fuse switch disconnector |
KA |
31.5 |
31.5 |
31.5 |
31.5 |
31.5 |
Rated short circuit making current of fuse switch disconnector (peak) |
A |
80 |
80 |
80 |
80 |
80 |
Rated transfer current of fuse switch disconnector |
A |
1200 |
1200 |
1200 |
800 |
200 |
Maximum operating torque |
Switch disconnector, with K type single spring operating mechanism |
close |
Nm |
≤120 |
≤120 |
≤120 |
≤120 |
≤120 |
open |
Nm |
≤120 |
≤120 |
≤120 |
≤120 |
≤120 |
Fuse switch disconnector, with A type double springs operating and energy-stored mechanism |
Energy-stored and close |
Nm |
≤120 |
≤120 |
≤120 |
≤120 |
≤120 |
open |
Nm |
≤3 |
≤3 |
≤3 |
≤3 |
≤3 |
Shaft corner |
degree |
120 |
120 |
120 |
120 |
120 |
Close speed |
m/s |
≥6 |
≥6 |
≥6 |
≥6 |
≥6 |
Open speed |
m/s |
4.5～6 |
4.5～6 |
4.5～6 |
4.5～6 |
4.5～6 |
Three phase close synchronism |
m/s |
≤3 |
≤3 |
≤3 |
≤3 |
≤3 |
Mechanical life |
time |
≥2000 |
≥2000 |
≥2000 |
≥2000 |
≥2000 |
Remark:(1) According to the actual requirements, different operation modes like manual, manual with shunt tripping, electrical and electrical shunt tripping are available. |
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E Type Switch Disconnector with Earthing Switch |
Rated voltage |
KV |
12(IEC) |
17.5(IEC), 12(GB) |
24(GB) |
40.5(GB) |
Rated short circuit making current（peak） |
KA |
40 |
40 |
40 |
40 |
Rated peak withstand current |
KA |
40 |
40 |
40 |
40 |
2S short time withstand current |
KA |
16 |
16 |
16 |
16 |
Closing operating torque |
Nm |
≤120 |
≤120 |
≤120 |
≤120 |
Opening operating torque |
Nm |
≤120 |
≤120 |
≤120 |
≤120 |
Mechanical life |
time |
≥2000 |
≥2000 |
≥2000 |
≥2000 |
Phase distance (center distance) |
mm |
150/170/210
210 |
170/210 |
275 |
360 |
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Type |
A |
A1 |
A2 |
A3 |
B |
H2 |
K |
K1 |
M |
N |
L |
P |
R |
S |
U |
V |
NAL12-K,P=150(IEC) |
166 |
320 |
362 |
394 |
90 |
510 |
310 |
63 |
412 |
122 |
164 |
150 |
375 |
350 |
75 |
33 |
NAL12-A,P=150(IEC) |
166 |
320 |
362 |
394 |
90 |
510 |
310 |
63 |
412 |
122 |
164 |
150 |
375 |
350 |
75 |
33 |
NAL12-K,P=170(IEC) |
166 |
320 |
362 |
394 |
90 |
510 |
310 |
63 |
452 |
122 |
164 |
170 |
375 |
390 |
75 |
33 |
NAL12-A,P=170(IEC) |
166 |
320 |
362 |
394 |
90 |
510 |
310 |
63 |
452 |
122 |
164 |
170 |
375 |
390 |
75 |
33 |
NAL12-K,P=210(IEC) |
166 |
320 |
362 |
394 |
90 |
510 |
310 |
63 |
532 |
122 |
164 |
210 |
375 |
470 |
75 |
33 |
NAL12-A,P=210(IEC) |
166 |
320 |
362 |
394 |
90 |
510 |
310 |
63 |
532 |
122 |
164 |
210 |
375 |
470 |
75 |
33 |
NAL24-K,P=235(IEC) |
225 |
375 |
418 |
518 |
98 |
633 |
441 |
88 |
582 |
186 |
202 |
235 |
500 |
525 |
90 |
18 |
NAL24-A,P=235(IEC) |
225 |
375 |
418 |
518 |
98 |
633 |
441 |
88 |
582 |
186 |
202 |
235 |
500 |
525 |
90 |
18 |
NAL12-K,P=170(GB) |
225 |
375 |
418 |
518 |
98 |
633 |
441 |
88 |
452 |
140 |
176 |
170 |
500 |
396 |
90 |
18 |
NAL12-A,P=170(GB) |
225 |
375 |
418 |
518 |
98 |
633 |
441 |
88 |
452 |
140 |
188 |
170 |
500 |
396 |
90 |
18 |
NAL12-K,P=210(GB) |
225 |
375 |
418 |
518 |
98 |
633 |
441 |
88 |
532 |
140 |
176 |
210 |
500 |
476 |
90 |
18 |
NAL12-A,P=210(GB) |
225 |
375 |
418 |
518 |
98 |
633 |
441 |
88 |
532 |
140 |
188 |
210 |
500 |
476 |
90 |
18 |
NAL24-K,P=275(GB) |
225 |
375 |
418 |
518 |
98 |
633 |
441 |
88 |
782 |
170 |
176 |
275 |
500 |
726 |
90 |
18 |
NAL24-A,P=275(GB) |
225 |
375 |
418 |
518 |
98 |
633 |
441 |
88 |
782 |
170 |
188 |
275 |
500 |
726 |
90 |
18 |
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Type |
H |
H0 |
H1 |
A4 |
B1 |
U1 |
K5 |
NAL12KV-E type with Earthing Switch（IEC） |
220 |
689 |
360 |
245 |
55 |
60 |
130 |
NAL12KV-E type with Earthing Switch（GB） |
220 |
800 |
473 |
310 |
55 |
63 |
104 |
NAL24KV-E type with Earthing Switch（GB） |
325 |
930 |
578 |
295 |
55 |
166 |
247 |
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Type |
Fuse |
C |
D |
R1 |
kV |
Length |
NALF12KV(IEC) |
12 |
292 |
174 |
375 |
NALF12KV(GB) |
12 |
292 |
258 |
375 |
NALF24KV(GB) |
24 |
442 |
363 |
525 |
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Type |
H3 |
H4 |
H5 |
NALF12KV-E（IEC） |
871 |
1200 |
206 |
NALF12KV-E (GB) |
956 |
1285 |
180 |
NALF24KV-E (GB) |
914 |
1275 |
180 |
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NALF36 |
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NAL36 switch disconnector |
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NAL36-E |
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NALF36-E |
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Transformer capacity |
Primary voltage of transformer |
（KVA） |
12KV |
24KV |
36KV |
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Rated current（A） |
Rated current（A） |
Rated current（A） |
25 |
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6 |
6 |
50 |
10 |
6 |
6 |
75 |
16 |
6 |
6 |
100 |
16 |
10 |
6 |
125 |
16 |
10 |
6 |
160 |
20 |
16 |
10 |
200 |
20 |
16 |
10 |
250 |
25 |
16 |
16 |
315 |
31.5 |
20 |
16 |
400 |
40 |
20 |
16 |
500 |
50 |
25 |
25 |
630 |
63 |
31.5 |
25 |
800 |
80 |
40 |
25 |
1000 |
100 |
50 |
40 |
1250 |
125 |
63 |
40 |
1600 |
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80 |
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