SIEMENS
3/4
Siemens IC 10 · 2017
Switching Devices – Contactors and Contactor Assemblies
Power Contactors for Switching Motors
Introduction
3
1)
Contactor assemblies for customer assembly:
- For reversing contactor assemblies,
see pages 3/167 to 3/169
-
For star-delta (wye-delta) assemblies,
see pages 3/184 to 3/189
.
Note:
For safety characteristics for contactors,
see
"Standards and Approvals", from page 16/10 onwards
.
Size
Type
S6
3RT105
S10
3RT1.6
S12
3RT1.7
3RT10 contactors · 3RT12 vacuum contactors
Type
3RT1054
3RT1055
3RT1056
3RT1064
3RT1065
3RT1066
3RT1075
3RT1076
AC, DC operation
(p. 3/70, 3/71)
(p. 3/70, 3/71)
(p. 3/70, 3/71)
Type
--
--
--
3RT1264
3RT1265
3RT1266
3RT1275
3RT1276
(p. 3/134)
(p. 3/134)
AC-3
I
e
/AC-3/400 V
A
115
150
185
225
265
300
400
500
400 V
kW
55
75
90
110
132
160
200
250
230 V
690 V
1 000 V
3RT10/3RT12
3RT10/3RT12
kW
kW
kW
37
110
75
45
132
90
55
160
90
55
200
90/315
75
250
132/355
90
250
132/400
132
400
250/560
160
400/500
250/710
AC-4
(at
I
a
= 6 x
I
e
)
400 V
400 V
3RT10/3RT12
kW
kW
55
29
75
38
90
45
110
54/78
132
66/93
160
71/112
200
84/140
250
98/161
(200 000 operating cycles)
AC-1
(40 °C,
690 V)
I
e
3RT10/3RT12
A
160
185
215
275/330
330
330
430/610
610
3RT14 AC-1 contactors
Type
3RT1456
(p. 4/12)
3RT1466
(p. 4/12)
3RT1476
(p. 4/12)
I
e
/AC-1/40 °C/
690 V
A
275
400
690
Accessories for contactors
Auxiliary
switch
blocks
• On front
3RH19, 3RT1926
(p. 3/96, 3/101)
• Lateral
3RH19
(p. 3/98, 3/99)
Surge suppressors
3RT1956-1C
(RC element)
(p. 3/103)
Terminal covers
3RT1956-4EA.
(p. 3/116)
3RT1966-4EA.
(p. 3/116)
Box terminal blocks
3RT1955-4G, 3RT1956-4G
(p. 3/114)
3RT1966-4G
(p. 3/114)
3RB2 overload relays
3RB electronic overload relays
• for standard applications
3RB2056
3RB2153
50 ... 200 A
(p. 7/109)
(p. 7/111)
3RB2066
3RB2163
55 ... 250 A or 160 ... 630 A
(p. 7/109)
(p. 7/111)
• for High-Feature applications
3RB22, 3RB23 and
3RB24
with 3RB2956-2TH2 current
measuring module
(p. 7/120)
(p. 7/128)
(p. 7/132)
3RB22, 3RB23 and
3RB24
with current measuring module
3RB2966-2WH2
(p. 7/120)
(p. 7/128)
(p. 7/132)
20 ... 200 A
63 ... 630 A
3RV10 molded case motor starter protectors
Molded case motor starter
protectors
3RV1063
40 ... 200 A
(p. 7/67)
3RV1073
160 ... 400 A
(p. 7/67)
3RV1083
252 ... 630 A
(p. 7/67)
Reversing contactor assemblies
1)
Complete units
Type
--
400 V
kW
55
75
90
110
132
160
200
250
Assembly kits/
wiring modules
3RA1953-2A
(p. 3/109)
3RA1963-2A
(p. 3/109)
3RA1973-2A
(p. 3/109)
Mechanical interlocks
3RA1954-2A
(p. 3/113)
Contactor assemblies for star-delta (wye-delta) starting
1)
Complete units
Type
--
400 V
kW
--
Assembly kits/
wiring modules
3RA1953-2B
(p. 3/111)
3RA1963-2B
(p. 3/111)
3RA1973-2B
(p. 3/111)
© Siemens AG 2016