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For size S0:a = 3 mm at < 240 Va = 7 mm at > 240 Vb = DC 10 mm deeper than AC1) Auxiliary switch block, laterally mountable2) Auxiliary switch block, mountable on the front,
For size S0:a = 0 mm with varistor < 240 V, diode assemblya = 3.5 mm with varistor > 240 Va = 17 mm with RC elementb = DC 15 mm deeper than AC1) Auxiliary switch block, laterally mountable2) Auxiliary switch block, mountable on the front
(1, 2 and 4-pole)3) Surge suppressor4) Drilling pattern
4)
a
3)
1)
b)
2)
NS
B0
07
54
b
5
5
45
95
1591555
7517
1
11
2
20,5 107
10 1105
80
For size S2:a = 0 mm with varistor < 240 V, diode assemblya = 3.5 mm with varistor > 240 Va = 17 mm with RC elementb = DC 15 mm deeper than AC1) Auxiliary switch block, laterally mountable2) Auxiliary switch block, mountable on the front
(1, 2 and 4-pole)3) Surge suppressor4) Drilling pattern
nsk03_19.fm Seite 217 Dienstag, 19. März 2002 2:19 14
For size S2:a = 0 mm with varistor < 240 V, diode assemblya = 3.5 mm with varistor > 240 Va = 17 mm with RC elementb = DC 15 mm deeper than AC1) Auxiliary switch block, laterally mountable2) Auxiliary switch block, mountable on the front
(1, 2 and 4-pole)3) Surge suppressor4) Drilling pattern
3)
4)
a
1)
5)
6)
b)
2)
NS
B00755b
7
60
13
0
5
5
10
022
1
28
70 10 10
80
13413 183
5
132
14
6
For size S3:a = 0 mm with varistor, diode assembly
and < 240 Va = 3.5 mm with varistor and > 240 Va = 17 mm with RC elementb = DC 13 mm deeper than AC1) Auxiliary switch block, laterally mountable2) Auxiliary switch block, mountable on the
front (1, 2 and 4-pole), same dimensions for designs with screw or Cage Clamp con-nection
3) Surge suppressor4) Drilling pattern5) For mounting on 35 mm standard mounting
rail (15 mm deep) acc. to EN 50 022or 75 mm standard mounting rail acc. toEN 50 023
6) Hexagon socket screw 4 mm
nsk03_19.fm Seite 218 Dienstag, 19. März 2002 2:19 14
Deviating dimensions for coupling relayswith Cage Clamp connection:Height: 60 mm
3) Surge suppressor4) Drilling pattern
Dimension drawings
72
NSB 01218a
234570
1010
14
6
28
10
022
4
a
513 86
134183
7
131 5
2)
3)
b)
1)
60
13
0
5)
6)
H A
Test
0 1STOP RESET
40
5
For size S3:a = 0 mm with varistor, diode assembly
and < 240 Va = 3.5 mm with varistor and > 240 Va = 17 mm with RC elementb = DC 13 mm deeper than AC1) Auxiliary switch block, laterally mountable2) Auxiliary switch block, mountable on the
front (1, 2 and 4-pole), same dimensions for designs with screw or Cage Clamp con-nection
3) Surge suppressor4) Drilling pattern5) For mounting on 35 mm standard mounting
rail (15 mm deep) acc. to EN 50 022or 75 mm standard mounting rail acc. toEN 50 023
6) Hexagon socket screw 4 mm
NS
B0
02
58
a 57
,5
8,65,345
6799
5 35
50
53)
4)
nsk03_19.fm Seite 219 Dienstag, 19. März 2002 2:19 14
3/220 Siemens NS K · 2002
SIRIUSContactors and Contactor Assemblies
3RT10 and 3RT14 contactors,3-pole
3RT10 5, 3RT14 5 contactorsSize S6with auxiliary switch block, laterally mountable and mountable on the front,mounted overload relay and box terminals,laterally mounted electronics module with remaining lifetime indication
Clearance from earthed parts withdirectly mounted overload relay:lateral: 10 mmfront: 20 mm
Dimension drawings
8)
7)6)5)
2)
3)
1)
NS
B011
71a
14
0
kk
107
217180
17072
9
140120
26
8
17
17
216
4
37
17
Æ 7
100
13
0
61
Æ
4)
140150
For size S6:k = 120 mm (minimum clearance for removing the
withdrawable coil)1) Second auxiliary switch block, laterally mountable2) Auxiliary switch block, mountable on the front3) RC element4) 3RB10 overload relay, mounted5) 3RT19 55-4G box terminal block
DetailContact erosion indicator for vacuum interrupters
Drilling pattern
5)
7)
3)
6)
1)
NS
B0
11
61
c
9
15089
156
236225
18
0
130
k
17
48
25
160
190180
18
2
21
420
0
k
2)
180
33
1
Æ
4)
11Æ
For sizes S10 and S12:k = 150 mm (minimum clearance for removing the wi-
thdrawable coil)
1) Second auxiliary switch block, laterally mountable2) Position and contact erosion indicator3) RC element 4) 3RB10 overload relay, mounted5) Box terminal block (hexagon socket 6 mm)6) PLC connection DC 24 V and changeover switch
(with 3RT1... -.N)7) Electronics module with remaining lifetime indicati-
on (auxiliary switch block not mountable on right-hand side)
Drilling pattern
nsk03_19.fm Seite 222 Dienstag, 19. März 2002 2:19 14
3/223Siemens NS K · 2002
SIRIUSContactors and Contactor Assemblies
3RT13 and 3RT15 contactors,4-pole
3RT13 1 and 3RT15 1 contactorsSize S00, screw connectionwith surge suppressor and auxiliary switch block
Lateral clearance fromearthed parts = 6 mm
For size S00:Deviating dimensionsfor contactorswith Cage Clamp connections:Height: 60 mmMounting depth with auxiliary switch block: 110 mm
nsk03_19.fm Seite 223 Dienstag, 19. März 2002 2:19 14
3/224 Siemens NS K · 2002
SIRIUSContactors and Contactor Assemblies
3RT16 capacitor contactors
3RT16 17 capacitor contactorsSize S00
3RT16 27 capacitor contactorsSize S0
3RT16 47 capacitor contactorsSize S3
Dimension drawings
NS
B 0
123
6
45
16
36
11
0
57
5192
105
5
NSB00761b
18 48
45
ø5
60
72
85
100
5
4467
121
130
60
x13
01
67
5190
578
183
18
38
10
41
24
15
0
NSB00763a
70
22,5 22,5
116
nsk03_19.fm Seite 224 Dienstag, 19. März 2002 2:19 14
3/225Siemens NS K · 2002
SIRIUSContactors and Contactor Assemblies
Size S00
Size S0 1)
Size S2 1)
Size S3 1)
Dimension drawings
118545
60
28
5
50
35NSB00764a
Without series resistor:3RH11 22-2KB40
-2KF403RT10 17 -2KB41
-2KF41-2KB42-2KF42
For dimensions, see page 3/216 (size S00)
NSB00765a
86
47
35
x 6
0
5 14870
45View from right
Without series resistor:3RT10 25 -3KB40
-3KF403RT10 26 -3KB40
-3KF40For dimensions, see page 3/217 (size S0)
NSB00766a
110
47
8055 5 162
45 x
95
View from right
14
547
9570
60
x 1
30
5 186
NSB00767a
View from right
1) S0 to S3 contactors: wiring between the contac-tor and series resistor must be carried out by the customer. The series resistor is equipped with the necessary connecting leads.
Contactors with extended tolerance0.7 to 1.25 × Us
nsk03_19.fm Seite 225 Dienstag, 19. März 2002 2:19 14
Contactor Relays, Coupling Relays
3/226 Siemens NS K · 2002
SIRIUSContactors and Contactor Assemblies
3RH11 and 3RH14 contactor relays
3RH11 contactor relaysSize S00, with screw connections,with surge suppressor and auxiliary switch block
3RT19 16-2 . . . . solid-state time-delay blocks, ON-delay Size S00for mounting on the front of contactors(the dimensions are also valid for time-delay blocks with an OFF-delay)
3RT19 16-4KA1 solder pin adapterSize S00mounted onto 3RT10 1. contactors with 1 auxiliary contact in the basic unit
3RH19 11-1AA.., 3RH19 11-1BA.. auxiliary switch block, single-pole Size S00cable entry from one side
3RT19 16-2B.01 OFF-delay devicefor size S00 to S3 contactors
3RT19 26-2 . . . . solid-state time-delay block, ON-delay.Sizes S0 to S3for mounting onto the top of the contactors(the dimensions are also valid for time-delay blocks with an OFF-delayand for 3RH19 24-1GP11 interfaces)
Dimension drawings
NS
B0
02
54
38
9545
127143
38
45
NS
B0
02
56
92105
67,4
55
NS
B0
077
0
5057,5
1,4
55
45
5,2 5,2
8,6 8,6
57,5
45
50
8,6 8,6
A1
A210x 2,0
NS
B0
02
55
27
27,5
24
13,6
NS
B0
10
63
36
45
57,5
5 67,5
55
NS
B00772 25
46
533
73
46
45
6 4
4150
66
40
NS
B00
773
nsk03_19.fm Seite 228 Dienstag, 19. März 2002 2:19 14
3/229Siemens NS K · 2002
SIRIUSContactors and Contactor Assemblies
Accessories for 3RT1 contactors
Link for paralleling 3RT19 16-4BB31Size S003-pole, with terminal
Link for paralleling 3RT19 16-4BB41Size S004-pole, with terminal
Link for paralleling 3RT19 26-4BB31Size S03-pole, with terminal
Link for paralleling 3RT19 36-4BB31Size S23-pole, with terminal
Link for paralleling 3RT19 46-4BB31Size S33-pole, with through hole and shock hazard protection cover
Dimension drawings
NSB01217
76
33
2411
295 32
NS
B 0
1233
76
33
3311 295 32
NS
B0
12
16
143245
6784
23
96
18
NS
B 0
12
15
244755
14
060
466
57
25 4
4
17
NSB 0121479 40
356
70
50
12
023
432
9
nsk03_19.fm Seite 229 Dienstag, 19. März 2002 2:19 14
3/230 Siemens NS K · 2002
SIRIUSContactors and Contactor Assemblies
Accessories for 3RT1 contactors
Terminal cover for box terminals for size S2, 3RT19 36-4EA2
Terminal cover for box terminals for size S3, 3RT19 46-4EA2
Terminal cover for cable lug and bar connection for size S3, 3RT19 46-4EA1
Dimension drawings
85
12
3
55 6694106
NS
B 0
12
23
a
69
NSB01222a
108124
70
16
012
4
75 5970
55
144
199
NS
B 0
12
24
nsk03_19.fm Seite 230 Dienstag, 19. März 2002 2:19 14
3/231Siemens NS K · 2002
SIRIUSContactors and Contactor Assemblies
Accessories for 3RT1 contactors
Auxiliary conductor terminal, 3-pole3RT19 46-4FSize S3mounted on contactor
1) External dimensions for screw and Cage Clamp connection are identical.
nsk03_19.fm Seite 232 Dienstag, 19. März 2002 2:19 14
3/233Siemens NS K · 2002
SIRIUSContactors and Contactor Assemblies
Accessories for 3RT1 contactors
Main conducting path surge suppression module3RT19 66-1PV3for 3RT12 vacuum contactors, sizes S10 and S12connection to contactor feeder side (2-T1/4-T2/6-T3)via mounted lead, approx. 350 mm long
Main conducting path surge suppression module3RT19 66-1PV4for 3RT12 vacuum contactors, sizes S10 and S12connection to contactor feeder side (2-T1/4-T2/6-T3)via mounted lead, approx. 350 mm long
Terminal cover for bar connection3RT19 .6-4EA1Sizes S6 to S12for mounting onto the contactor enclosure
Terminal cover for box terminals 3RT19 .6-4EA2Sizes S6 to S12for mounting onto box terminal
Links for paralleling3RT19 .6-4BA31Sizes S6 to S12
Dimension drawings
NS
B0
13
60a
45 7100
355,3
76
62
,5
60
NS
B0
13
62a
76
60
62
,5
102,5
905
99 7
C
NS
B0
11
65
a
A E F
BD
A B C D E F
S6 119 324 107 241 91 52
S10 145 385 128 289 106 66
S12 145 399 128 303 124 66
E FA
C
NS
B0
11
66
a
DB
A B C D E F
S6 119 215 27 190 91 52
S10 145 265 30 235 106 66
S12 145 279 30 249 124 66
A 5
B
NS
B0
11
67
a
C
A B ∅C
S6 91 199 10.5
S10 121 244 12.5
S12 121 258 12.5
nsk03_19.fm Seite 233 Dienstag, 19. März 2002 2:19 14
3/234 Siemens NS K · 2002
SIRIUSContactors and Contactor Assemblies
Accessories for 3RA1 contactor assemblies
Mechanical interlock3RA19 54-2ASizes S6 to S12
3RA19.2-2A baseplates for reversing contactor assemblies
3RA19.2-2E, 3RA19.2-2Fbaseplates for star-delta assemblies
Dimension drawings
10
NSB01173
CA
DB
NSB01172a
18E
A B C D E
S6 190 205 250 229 9
S10 240 249 300 275 11
S12 280 249 330 275 11
AC
B D
18
NSB01176a
E
A B C D E
S6-S6-S3 316 205 376 229 9
S6-S6-S6 343 205 403 229 9
S10-S10-S6 393 250 453 275 11
S10-S10-S10 423 250 483 275 11
S12-S12-S10 450 250 510 275 11
S12-S12-S12 465 250 525 275 11
nsk03_19.fm Seite 234 Dienstag, 19. März 2002 2:19 14
1) With box terminals for laminated copper bars (accessories).
nsk03_19.fm Seite 240 Dienstag, 19. März 2002 2:19 14
3/241Siemens NS K · 2002
Contactors and Contactor Assemblies
Accessories for 3T contactors
3TX7 462-3 . varistors RC elements and varistors 3TX7 462-3., 3TX7 522-3., 3TX7 572-3.
3TX7 090-0D interfacefor snapping onto the side of contac-tors
3TX7 box terminals for laminated copper barsBox terminals with cover, mounted onto contactor
3TX7 686-0A and 3TX7 696-0A terminal coversfor 3TF68 and 3TF69 contactors, size 14,for screwing onto the free end of the two screws on the outer conducting paths
3TX7 680-0D link for parallelingfor 3TF68 contactors
3TX7 680-0E cover platefor 3TX7 680-0D link for paralleling for 3TF68 contactor
Dimension drawings
70
13
35
NS
B00806
21
4,2
95
NS
B0
08
08
21 52
20
0
4,2
95
NS
B0
02
66
22 52
23
0
4,2
a
c
NS
B0
08
12
b
For contactorType
Box terminal a b c
3TF68 3TX7 570-1. 182 178 300
3TF69 3TX7 690-1F 200 219 320
b
a
70
c
NS
B0
08
15
230
21For contactorType
Terminalcover a b c
3TF68 3TX7 686-0A 245 M10 104
3TF69 3TX7 696-0A 255 M12 99
11170
30
5
NSB00817a 200
19
NSB00819
64
nsk03_19.fm Seite 241 Dienstag, 19. März 2002 2:19 14
3/242 Siemens NS K · 2002
Contactors and Contactor Assemblies
3TB5 contactors
3TB50 and 3TB52 contactorsSizes 6 and 8
3TB54 and 3TB56 contactorsSizes 10 and 12
3TX6 . . 6-3B terminal covers
3TD68 contactor assemblies
3TE68 contactor assemblies
Dimension drawings
d
b
M3,5
31)
NSB00822
71d2
a 3
a 1
g 2
3
b1
e3
c 2
f 4
c 3
Type a1 a3 b1 b3 c2 c3 d1 d2 e3 f4 g2
3TB503TB52
120135
100110
150180
130160
2328
198217
3742
1520
133154
137.5147
M6M8
a 3
a
200
M3,5 M10
e
c
4f
c3 31)
NSB00823
180
1
52
10,5
2
3
2548
Type a1 a3 c2 c3 e3 f4
3TB543TB56
145160
120130
30.539
264282
168178
188200
b
l
h
NS
B0
08
24
For contactorSize Type b h l
68
3TB503TB52
2734
3344
5875
10 ... 12 3TB54 to 3TB56 38 56 95
3TD68, 3TE68 contactor assemblies
Dimension drawings
520
28
0
NSB00827a
25713,5
400
31
0
47
0
27825
23113,5
550
29
5
196 25278
NSB00828a
665
32
5
47
0
1) Minimum clearance from insulated components 3 mm.Minimum clearance from earthed components 10 mm.
nsk03_19.fm Seite 242 Dienstag, 19. März 2002 2:19 14
3/243Siemens NS K · 2002
Contactors and Contactor Assemblies
3TK10 to 3TK17 contactors
3TK10 to 3TK17 contactorsThe scope of supply includes screws and rubber buffers.
e M10 earthing screw for 3TK14 to 3TK17
ContactorType
a b1 b2 c c1 c21) c2
2) d 3) e min. f g h h1 k1 k24) p p1 t t1
3TK103TK11
186186
165165
136136
120120
140140
166168
187187
6.611
4040
4142
1520
156156
156172
7.510
134134
154.5154.5
102.3102.3
1010
44
3TK123TK13
225225
201201
176176
160160
140140
202202
226226
1111
1515
4545
2020
156156
198198
1010
134134
172172
106.7106.7
1010
55
3TK143TK153TK17
266266266
244244244
244244244
220220220
200200200
271271271
293293293
111111
404040
676767
252525
223223223
272273273
12.512.512.5
–––
225.5225.5225.5
139.5139.5139.5
23 5)23 5)23 5)
666
Dimension drawings
c 1
b2
b1
a
h1
c
h
tp1 t1
p e
gf
M 4
d
k 1
NSB0_00833
k 2
cc2
c 1
for M 6
forM 6
1) Clearance when 2 contactors, each with one auxiliary switch block opposite, are mounted.
2) Clearance when 2 contactors, each with two auxiliary switch blocks opposite, are mounted.
3) Nuts, bolts, screws and washers are supplied.4) Minimum clearance for removing the withdrawa-
ble coil.
5) Damping elements are supplied.
nsk03_19.fm Seite 243 Dienstag, 19. März 2002 2:19 14
3/244 Siemens NS K · 2002
Contactors and Contactor Assemblies
Accessories for 3TK1 contactors
3TK19 4. terminal cover
3TK19 20 and 3TK19 22 locking devicesfor mechanical locking of two identical 3TK10 to 3TK13contactors mounted side by side on the mounting plate
3TK19 24 locking devicefor mechanical locking of two identical 3TK14, 3TK15 or 3TK17contactors mounted side by side on the mounting plate