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Tap Changer Type MHF IIssembly and Mat
Remarks
a , two or thryer types upon request
shaft length a es connec r o all types bolted onto the supports welded under transformer cover and allow strong construc
Mat
Steel Parts a eeleel parts ar ed equest
Cu)arts
CuZn40Pb2 (CW617N) / F34 DIN 17 673Brass Parts
Copper Parts E - Cu F25 DIN 40 500
Insulator Parts P es, HP 2061.5 class of DIN 7735
Upon Requestts can be protected b
eel par eel the brass and copper par ed
Current up to 400 A
Voltage Class B.I.L (other B. I. L. values are a omer request)
20 kV / 30 kV / 60 kV 125 kV / 170 kV / 325 kV
Opera
F ec der to be subsequently rotated t ft , the handle drt y a notch. T oc ontrol knob as; „ LIFT - TURN - SWITCH ON „ (can be engrav y language)
10192
Ø 14Ø 25
*
101
93
Ø 25Ø 14
*
Ø 20Ø 30
101
98
*
Ø 20Ø 30
107
101
*
Type MHF II Threephase Tap ChangerControl D es Incorpor y A ement of the Control Shaft
2 / 29
MH 345A
*the hole on the shaf espect t
(Standar -MH 345B
(Padlock -
MH 346A (Standar -
MH 346B (Padlock -
120
Ø 25Ø 14
140170
10
20
2030
*Ø 130
120
Ø 30Ø 20
170140
20
3020
10*
Ø 130
111
Ø 180
Ø 20
Ø 30
*
Ø 180
84*
Ø 25Ø 14
Type MHF II Threephase Tap ChangerHandwheel-operated Control D rotec e Cover (MH 347 / 348)
3 / 29
MH 349 (unlock y padlockable pull knob /
MH 350
-
* the hole on the shaf espect t
(unlock ement of the control shaft / -
MH 347 adlockable Protec e Cover /
-
MH 348 adlockable Protec e Cover /
-
15
Ø 10
35
43
H
30
5
I
H
Ø J
Ø K
M 1212
35
1515
Ø 12
Ø 20
-0 +
0.5
15
51
14
30
Ø 10
Type MHF II Threephase Tap ChangerF ed Contacts
4 / 29
Flag type contacts
Contact Numbers Ø J Ø K I H
150 A / Tubular Contact MH 365 7 14 20 37
220 A / Tubular Contact MH 366 8,5 14 20 37
150 A / Tubular Contact MH 367 9,5 13,5 30 56
220 A / Tubular Contact MH 368 13,5 17,4 30 56
315 A / Tubular Contact MH 369 15,2 20 30 56
315 A / Tubular Contac MH 372 M12 20 30 56
400 A / Flag Type MH 370 - 30 x 30 x 5
Tubular contacts
51
MH 371Common contac at shape
F ed contact adapter for cable connec(O ontact No : MH 374)
Unless other y the customer ag type contacts ar
ve. The contac
wnwards.
1
2 3
3
4 5
6
21
7
12
3
Ø 61 Ø 65
Ø 120
321
32
C1
1
13 2
A1
32
1
123
D1
2 1
3
321
B1
3
2 1
Type MHF II Threephase Tap ChangerHandle D ec
Repeaters for r a ontrols
No. MD 352
or repeaters for r a ontrols
No. MD 353No. MD 354
W min. 100
Type MHF II Threephase Tap Changer
6 / 29
ontal MHF II tap changers of the r orc ed b eral tap changers
eel brackets are assembled by nuts and bolts
st ed, the user can:
t
or operate par t,
and the other par ond shaft
t has t
Note: I , when or
c ent tap changers
Common output per phase Common output per phase e contacts
S or delta transformer S or star transformer S er - earthedconductor transformer
T 1 Stage 2 Stage r
S Star - delta c
Type MHF II Threephase Tap Changer
Doc-Nr.: DATA tap changer type MHF II_ENG | Cr
&°
& °
e
6
L80
ø25ø14
80
L+35*
30
80
12 359
2110
8
ø9
46
ø9
80H
D23
POGFE13
BA
*R
84
F F F F F F F F F F F F F F
Type MHF II Threephase Tap ChangerDelta D am / 20 - 60 kV / 150 - 400 A / 2 - 6 P W t)
Voltage Class
kV
Number of P A B D E F G H O P R & ° L e
20
23456
601729857985
1113
503599695791887
6294
126158190
7676767676
3232323232
7070707070
Dep
ends
on
fixed
con
tact
s
7070707070
9595959595
351415479543607
63 °63 °63 °63 °63 °
A431D246A431D346A431D446A431D546A431D646
30
23456
721849977
11051233
623719815911
1007
6294
126158190
106106106106106
3232323232
100100100100100
100100100100100
125125125125125
426490554618682
63 °63 °63 °63 °63 °
A431D256A431D356A431D456A431D556A431D656
60
234*5*
1440161217841956
1331146015891718
73116159202
267267267267
43434343
260260260260
260260260260
286286286286
871957
10431129
84 °84 °84 °81 °
A431D266A431D366A431D466
A431D566x
*
80
& °
12
30
L+35
ø14
L
6
80
80
*
e
ø25
563
ø9
76
& °
80H
AD
135
B13E PG O 90
ø9R
*
84 TS
45F
56
ø9
24
F F F F F F F F F F F F F F F F F F F F
Voltage Class
kV
Number of P A B D E F G H O P R S T & ° L e
20789
126313911519
98310791175
222254286
767676
323232
707070
Dep
ends
on
fixed
con
tact
s
707070
959595
693757821
292929
353535
38 °38 °38 °
A431D746A431D846A431D946
30789
138315111639
110311991295
222254286
106106106
323232
100100100
100100100
125125125
768832896
292929
353535
38 °38 °38 °
A431D756A431D856A431D956
60 6*7*
21502322
18471976
245288
267267
4343
260260
260260
286286
12371323
2929
3535
51 °51 °
A431D666A431D766
*
Type MHF II Threephase Tap ChangerDelta D am / 20 - 60 kV / 150 - 400 A / 7 - 9 P W t)
& ° ø14ø25
Le
80
80
& °
12
X
6
30
d a
109 3
a
16
50
ø
b
AB
F30
H
23 D46
21
PG O
R±5ø9
84 10859
F F F F F F F F F F F F F F
Voltage Class
kV
Number of P A B D F G H O P R X & ° L e
20
23456
542670798926
1054
457553649745841
6294
126158190
3232323232
7070707070
Dep
ends
on
fixed
con
tact
s
7070707070
9595959595
351415479543607
7070707070
63 °63 °63 °63 °63 °
A433D246A433D346A433D446A433D546A433D646
30
23456
632760888
10161144
547643739835931
6294
126158190
3232323232
100100100100100
100100100100100
125125125125125
426490554618682
130130130130130
63 °63 °63 °63 °63 °
A433D246A433D356A433D456A433D556A433D656
60
2345
1190136215341706
1094122313521481
73116159202
43434343
260260260260
260260260260
286286286286
871957
10431129
250250250250
84 °84 °84 °81 °
A433D266A433D366A433D466A433D566
Type MHF II Threephase Tap ChangerDelta D am / 20 - 60 kV / 150 - 400 A / 2 - 6 P W t)
ST 13
5
45OG P
B DA
H
F
84
90
R±5
30
56
ø9
F F F F F F F F F F F F F F F F F F F F
2484
& °
e
&°
356 80
L
8012
76
L+35
ø9
6
30ø30
ø20
ada
50
16 109
X
ø
b
Voltage Class
kV
Number of P A B D F G H O P SR X
T & ° L e
20789
120413321460
93710331129
222254286
323232
707070
Dep
ends
on
fixed
con
tact
s
707070
959595
693757
29
8212929
3535
70
357070
38 °38 °38 °
A433D746A433D846A433D946
30789
129414221550
102711231219
222254286
323232
100100100
100100100
125125125
768832
29
8962929
3535
130
35130130
38 °38 °38 °
A433D756A433D856A433D956
60 67
19002072
16101739
245288
4343
260260
260260
286286
1237 291323 29
35 25035 250
51 °51 °
A433D666A433D766
Type MHF II Threephase Tap ChangerDelta D am / 20 - 60 kV / 150 - 400 A / 7 - 9 P W t)
3L
8011
1
6
Ø20Ø30
Ø180
80
80
20
e
& °
&°
A
B±5 D90P
45
Ø9
24
H
160
5644
E13
80
Ø9
GG
84
B1±5
4020
F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F
Voltage Class
kV
Number of P A B B1 D F E H G SP T & ° L e
20 1011
16611789
12711367
885949
332364
3232
7676
Dep
ends
on
fixed
co
ntac
ts
7070
95 2095 20
44 32 °44 32 °
or
A431D1046A431D1146
30 1011
17811909
13911487
9601024
332364
3232
106106
100100
125 20125 20
44 32 °44 32 °
A431D1056A431D1156
Type MHF II Threephase Tap ChangerDelta D am / 20 - 30 kV / 150 - 400 A / 10 - 11 P
t)
L+W
+83
8011
1
6
Ø20
Ø30
Ø180
e
38080
w
& °
&°
A
B D
90P
45
Ø9
24
H
U
5644
E13
80
Ø9
G
84
F F F F F F F F F F F
4020
FFF FFFFFFFF
Voltage Class
kV
Number of P A B D F E H G P S T U & ° L e
20
789
1011
9691065116112711367
689753817881945
222254286332364
3232323232
7676767676
Dep
ends
on
fixed
con
tact
s
7070707070
9595959595
2929292020
3535354444
151151151160160
38 °38 °38 °32 °32 °
A471D746A471D846A471D946
A471D1046A471D1146
30
789
1011
10591155125113611457
779843907971
1035
222254286332364
3232323232
106106106106106
100100100100100
125125125125125
2929292020
3535354444
151151151160160
38 °38 °38 °32 °32 °
A471D756A471D856A471D956
A471D1056A471D1156
Type MHF II Threephase Tap ChangerDelta D am / 20 - 30 kV / 150 - 400 A / 7 - 11 P
t)
L+2W
+83
8011
1
6
Ø20
Ø30
Ø180
e
8080
w
38080
& °
&°
A
B D
90P
45
Ø9
24
H
U
56T
E13
80
Ø9
84
F F F F F F F F F F F
S13
5
Voltage Class
kV
Number of P A B D F E H P S T U & ° L e W
20
789
1011
675739803881945
395427459491523
222254286332364
3232323232
7676767676
Dep
ends
on
fixed
con
tact
s
9595959595
2929292020
3535354444
151151151160160
38 °38 °38 °32 °32 °
A481D746A481D846A481D946
A481D1046A481D1146
30
789
1011
735799863941
1005
455487519551583
222254286332364
3232323232
106106106106106
125125125125125
2929292020
3535354444
151151151160160
38 °38 °38 °32 °32 °
A481D756A481D856A481D956
A481D1056A481D1156
Type MHF II Threephase Tap ChangerDelta D am / 20 - 30 kV / 150 - 400 A / 7 - 11 P
t)
eL
803
6Ø14
Ø25&°
&°
8080
Ø9
Ø9
80H
10859
21110
E G O P 46
13 B
A
23 D
F F F F F F
Voltage Class
kV
Number of P A B D F E G H P O & ° L e
20
23456
429557685813941
331427523619715
6294
126158190
3232323232
7676767676
3232323232
Dep
ends
on
fixed
con
tact
s
9595959595
3232323232
63 °63 °63 °63 °63 °
A431S246A431S346A431S446A431S546A431S646
30
23456
489617745873
1001
391487583679775
6294
126158190
3232323232
106106106106106
3232323232
125125125125125
2929292020
63 °63 °63 °63 °63 °
A431S256A431S356A431S456A431S556A431S656
60
2345
931110312751447
822951
10801209
73116159202
43434343
267267267267
70707070
286286286286
70707070
84 °84 °84 °81 °
A431S266A431S366A431S466A431S566
Type MHF II Threephase Tap ChangerDelta D am / 20 - 60 kV / 150 - 400 A / 2 - 6 P
t)
8080
L
Ø30
56 80376
Ø9
Ø20 6
e
&°
&°
Ø9
110
Ø9
13
E G O P 90
B 45 DA
56T
S13
580H
24
F F FF FF F FFFF F F F FF F F
Voltage Class
kV
Number of P A B D F E G H P O S T & ° L e
20789
109112191347
811907
1003
222254286
323232
767676
323232
Dep
ends
on
fixed
con
tact
s
959595
323232
292929
353535
38 °38 °38 °
A431S746A431S846A431S946
30789
115112791407
871967
1063
222254286
323232
106106106
323232
125125125
323232
292929
353535
38 °38 °38 °
A431S756A431S856A431S956
60 67
16411813
13381467
245288
4343
267267
7070
286286
7070
2929
3535
51 °51 °
A431S666A431S766
Type MHF II Threephase Tap ChangerStar D am / 20 - 60 kV / 150 - 400 A / 7 - 9 P
t)
eL
803
6Ø14
Ø25b50
1091612
30X
80
a d a
Ø9
10859
21
F G O P 46
23 D
R ±5
30
B
A
110
H
F F F F F
&°
&°
Voltage Class
kV
Number of P A B D F G H O P R X & ° L e
20
23456
398526654782910
313409505601697
6294
126158190
3232323232
6060606060
Dep
ends
on
fixed
con
tact
s
3232323232
9595959595
244308372436500
7070707070
63 °63 °63 °63 °63 °
A433S246A433S346A433S446A433S546A433S646
30
23456
428556684812940
343439535631727
6294
126158190
3232323232
6060606060
3232323232
125125125125125
274338402466530
130130130130130
63 °63 °63 °63 °63 °
A433S256A433S356A433S456A433S556A433S656
60
2345
681853
10251197
585714843972
73116159202
43434343
70707070
70707070
286286286286
500586672758
250250250250
84 °84 °84 °81 °
A433S266A433S366A433S466A433S566
Type MHF II Threephase Tap ChangerStar D am / 20 - 60 kV / 150 - 400 A / 2 - 6 P
t)
b50
10916 12
X
Ø30
Ø20
Ø9
76 36
eL
56 80
30
a d a
±5
FFFF30 FF G FFF FFF FO F F FF F
Ø9
135
56T
S
P 90
D45BA
110
H
R
&°
&°
24
Voltage Class
kV
Number of P A B D F G H O P R S T X & ° L e
20789
106011881316
793889985
222254286
323232
606060
Dep
ends
on
fixed
con
tact
s
323232
959595
586650714
292929
353535
707070
38 °38 °38 °
A433S746A433S846A433S946
30789
109012181346
823919
1015
222254286
323232
606060
323232
125125125
616680744
292929
353535
130130130
38 °38 °38 °
A433S756A433S856A433S956
60 6*7*
13911563
11011230
245288
4343
7070
7070
286286
866952
2929
3535
250250
51 °51 °
A433S666A433S766
Type MHF II Threephase Tap ChangerStar D am / 20 - 60 kV / 150 - 400 A / 7 - 9 P t)
eL
803
6Ø14
Ø25
8080
98°
Ø9 Ø9
80H
10859
21
E F F F F G F F F F O F F F F P 46
D23B13A
84
Voltage Class
kVA B D E F G H O P & ° L e
10 - 20 1027 911 80 76 50 70
Dep
ends
on
fixed
con
tact
s
70 95 98 ° A431P276
15 - 30 1227 1111 80 126 50 120 120 145 98 ° A431P286
Type MHF II Threephase Tap ChangerS arallel C t)
eL
803
6Ø14
Ø25
8080
98°
Ø9 Ø9
80H
10859
21
E F F G F F O F F P 46
D23B13A
Voltage Class
kVA B D E F G H O P & ° L e
20 727 611 80 76 50 70
Dep
ends
on
fixed
con
tact
s
70 95 98 ° A431R246
30 1029 887 106 106 76 100 100 125 149 ° A431R256
Type MHF II Threephase Tap ChangerStar Delta C ort)
Ø20
Ø30
eL
80
6
563
Ø9
76
80
&°
&°
H
Ø9
A
80
B13
124
H
Contact Type No: MH371
10859
21E G O P 46
23 D
Ø9
F F F F F F F F F F F F
Voltage Class
kV
Number of P A B D E F G H O P & ° L e
20
3456
633761889
1017
503599695791
94126158190
76767676
32323232
70707070
Dep
ends
on
fixed
con
tact
s
70707070
95959595
63 °63 °63 °63 °
A431C346A431C446A431C546A431C646
30
3456
753881
10091137
623719815911
94126158190
106106106106
32323232
100100100100
100100100100
125125125125
63 °63 °63 °63 °
A431C356A431C456A431C556A431C656
60345
148316551827
133114601589
116159202
267267267
434343
260260260
260260260
286286286
84 °84 °81 °
A431C466A431C566A431C666
Type MHF II Threephase Tap ChangerCommon Output per Phase / 20 - 60 kV / 150 - 400 A / 3 - 6 P
t)
Ø20
Ø30
eL
80
6
563Ø9
76
&°
&°
80
Ø9
H
135
24
56S
T
Ø9
90
45 D
A
80
E G O P
B13
124
H
Contact Type No: MH371
F F F F F F F F F F F F F F F F F F
Voltage Class
kV
Number of P A B D E F G H O P S T & ° L e
20789
116712951423
887983
1079
222254286
767676
323232
707070
Dep
ends
on
fixed
con
tact
s
707070
959595
292929
353535
38 °38 °38 °
A431C746A431C846A431C946
30789
128714151543
100711031199
222254286
106106106
323232
100100100
100100100
125125125
292929
353535
38 °38 °38 °
A431C756A431C856A431C956
60 67
20212193
17181847
245288
267267
4343
260260
260260
286286
2929
3535
51 °51 °
A431C666A431C766
Type MHF II Threephase Tap ChangerCommon Output per Phase / 20 - 60 kV / 150 - 400 A / 7 - 9 P
t)
eL
803
6Ø14
Ø25
&°
&°
12
30X
b50
14216
a d a
80
46
10859
21
124
H
R
A
±5
Ø9H
30 POG
B
Contact Type No: MH371
FF F F F FF F FF F F
23 D
Voltage Class
kV
Number of P A B D F G H O P R X & ° L e
20
3456
574702830958
457553649745
94126158190
32323232
70707070
Dep
ends
on
fixed
con
tact
s
70707070
95959595
351415479543
70707070
63 °63 °63 °63 °
A433C346A433C446A433C546A433C646
30
3456
664792920
1048
547643739835
94126158190
32323232
100100100100
100100100100
125125125125
426490554618
130130130130
63 °63 °63 °63 °
A433C356A433C456A433C556A433C656
60345
123314051577
109412231352
116159202
434343
260260260
260260260
286286286
871957
1043
250250250
84 °84 °81 °
A433C366A433C466A433C566
Type MHF II Threephase Tap ChangerCommon Output per Phase / 20 - 60 kV / 150 - 400 A / 3 - 6 P
t)
12
30X 80
&°6
80
15
56
76
Ø9
L
Ø30
e
Ø20
&°b
50
14216
a d a
124
H
R
A
±5
H
30 POGB
135
5635
29
45 D
Ø9
F FF FF F F FFF F F FF F F F F 90
Contact Type No: MH371
24
Voltage Class
kV
Number of P A B D F G H O P R S T X & ° L e
20789
110812361364
841937
1033
222254286
323232
707070
Dep
ends
on
fixed
con
tact
s
707070
959595
629693757
292929
353535
707070
38 °38 °38 °
A433C746A433C846A433C946
30789
119813261454
93110271123
222254286
323232
100100100
100100100
125125125
704768832
292929
353535
130130130
38 °38 °38 °
A433C756A433C856A433C956
60 67
17711943
14811610
245288
4343
260260
260260
286286
11511237
2929
3535
250250
51 °51 °
A433C666A433C766
Type MHF II Threephase Tap ChangerCommon Output per Phase / 20 - 60 kV / 150 - 400 A / 6 - 9 P
t)
eL
803
6Ø14
Ø25
&°
&°
80
46
10859
21
23 D
124
H
A
Ø9
H
B
80
13
E 32 G32 32 32 O 3232 P
Contact Type No: MH371
Voltage Class
kV
Number of P A B D E F G H O P & ° L e
20
3456
557685813941
427523619715
94126158190
76767676
32323232
32323232
Dep
ends
on
fixed
con
tact
s
32323232
95959595
63 °63 °63 °63 °
A431F346A431F446A431F546A431F646
30
3456
617745873
1001
487583679775
94126158190
106106106106
32323232
32323232
32323232
125125125125
63 °63 °63 °63 °
A431F356A431F456A431F556A431F656
60345
110312751447
95110801209
116159202
267267267
434343
707070
707070
286286286
84 °84 °81 °
A431F366A431F466A431F566
Type MHF II Threephase Tap ChangerStar D -earthed Conductor / 20 - 60 kV / 150 - 400 A / 3 - 6 PS t)
eL
803
6Ø14
Ø25
80 80
Ø9H
132
H80
Ø9
10859
21
13 50376 32 32 70 32 32 70 32 32 95 46
23 94633
Opposite Contacts20kV-150 to 400 A
3 positionsUnit No: A43146G3
Type MHF II Threephase Tap ChangerO ontacts / S t)
eL
80
6
80
803
L+W
+83
80
W
&°
&°
30
L+35
12
*
46
Ø9 Ø9
80H
10859
212313
E G O PB
A
D
R
F F F FF F F F FF FFFF F
*
Voltage Class
kV
Number of P A B D E F G H O P R & ° L e
20
23456
601729857985
1113
503599695791887
6294
126158190
7676767676
3232323232
7070707070
Dep
ends
on
fixed
con
tact
s
7070707070
9595959595
351415479543607
63 °63 °63 °63 °63 °
A441D246A441D346A441D446A441D546A441D646
30
23456
721849977
11051233
623719815911
1007
6294
126158190
106106106106106
3232323232
100100100100100
100100100100100
125125125125125
426490554618682
63 °63 °63 °63 °63 °
A431F356A431F456A431F556A431F656
60
234*5*
1140161217841956
1331146015891718
73116159202
267267267267
43434343
260260260260
260260260260
286286286286
871957
10431129
84 °84 °84 °81 °
A431F366A431F466A431F566
Type MHF II Threephase Tap ChangerTwo-Stage / D am / 20 - 60 kV / 150 - 400 A / 2 - 6 PS t)
*
ø9ø25
80
ø14
80
ø14ø25
W
8080
W
63°98°
A
B
Le
6
8080
310
8
2159
84
80A1
H
P
46
23P GG
ø9ø9
50 4656E
5023 5050
50505050 50505050
EA2
84
10859
80
ø9ø9
C13
H
46
21
G G P23 D
3232323232 3232323232 3232323232
Voltage Class kV Number of
P A A1 A2 B C H D E P G L e WS
Parallel Delta
10 - 20 20345
115011821214
111211121112
106010921124
976976976
407311215
Dep
ends
on
fixed
co
ntac
ts
94126158
930930930
959595
707070
or
A451K376A451K476A451K576
15 - 30 30345
135013821414
131213121312
126012921324
117611761176
457361265
94126158
113011301130
145145145
120120120
A451K386A451K486A451K586
Type MHF II Threephase Tap Changer1. Stage S arallel C2. Stage Delta D am 20 - 30 kV / 150 - 400 A / 3 - 5 P Alu Support)
When or1 - T .2 - The voltage class, current and t3 - The number of the fixed contacts4 - Contr e no. (MH 341 / MH 342 / MH 353)5 - The language on the contr e (page 1)
7 - T epeat A1, B1, C1, D1)ed contacts (Ø J and Ø K)
9 - L, e, X, om the tables (Ø / b / a / d) for hanger
F atalogue please contact us
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