SIEMENS
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Siemens IC 10 · 2017
Switching Devices – Contactors and Contactor Assemblies
Contactors for Special Applications
Introduction
4
1)
As from product version E03, 3RT2936-1B/-1E surge suppressors
can be used for 3RT2.4 contactors.
Note:
For safety characteristics for contactors,
see
"Standards and Approvals", from page 16/10 onwards
.
Size
Type
S2
3RT233., 3RT253.
S3
3RT2446, 3RT2448
S3
3RT134.
S6, S10, S12
3RT14.6
4-pole 3RT23, 3RT25, 3RT13 contactors · 3-pole 3RT24, 3RT14 contactors
Type
3RT2336
3RT2337
3RT2535
3RT2536
3RT2446
3RT2448
3RT1344
3RT1346
3RT1456
3RT1466
3RT1476
Number of main contacts
4 NO
2 NO + 2 NC
3 NO
4 NO
3 NO
AC, DC operation
(p. 4/17, 4/18, 4/20)
(p. 4/23, 4/25)
(p. 4/11)
(p. 4/36)
(p. 4/12)
AC-1
(
690 V)
I
e
40 °C
A
60
110
60
70
140
160
110
140
275
400
690
60 °C
A
55
95
55
60
130
140
100
120
250
380
650
P
at 400 V
40 °C
kW
36
63
36
39
92
105
72
92
180
263
454
At 230 V
At 500 V
At 690 V
at 1 000 V
40 °C
40 °C
40 °C
60 °C
kW
kW
kW
kW
21
--
--
--
36
--
--
--
21
--
--
--
23
--
--
--
53
--
159
--
61
--
182
--
42
--
--
--
53
--
--
--
105
225
310
165
151
329
454
247
261
568
783
410
AC-2 and AC-3
I
e
/400 V
A
--
--
35
41
44
44
--
--
97
138
170
P
at 400 V
kW
--
--
18.5
22
22
22
--
--
55
75
90
At 230 V
At 500 V
At 690 V
kW
kW
kW
--
--
--
--
--
--
11
--
--
11
--
--
12.7
29.9
38.2
12.7
29.9
38.2
--
--
--
--
--
--
30
55
90
37
90
132
55
110
160
Accessories for contactors
Auxiliary switch blocks
3RH29, 3RA28
(p. 3/93 ... 3/100)
3RH19, 3RT1926
(p. 4/40 ... 4/44)
3RH19
3RT1926
(p. 3/96, 3/98, 3/99)
(p. 3/101)
Function modules
(direct-on-line starting,
star-delta (wye-delta) starting)
3RA281.
(p. 3/105)
--
--
Terminal covers
3RT2936-4EA2
(p. 3/116)
3RT2946-4EA2
(p. 3/116)
3RT1946-4EA.
(p. 4/46)
3RT1956-4EA.
(p. 3/116)
Box terminal blocks
--
--
3RT1955/56-4G
(p. 3/114)
Surge suppressors
3RT2936
(p. 3/102, 3/103)
3RT2936
1)
, 3RT2946
(p. 3/102, 3/103)
3RT1926, 3RT1936
(p. 4/44)
3RT1956-1C
(RC element)
(p. 3/103)
© Siemens AG 2016