SIEMENS
3/3
Siemens IC 10 · 2017
Switching Devices – Contactors and Contactor Assemblies
Power Contactors for Switching Motors
Introduction
3
1)
From product version E03 onwards, 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
3RT203
S3
3RT204
3RT20 contactors
Type
3RT2035
3RT2036
3RT2037
3RT2038
3RT2045
3RT2046
3RT2047
AC, DC operation
(p. 3/55, 3/64, 3/66, 3/67)
(p. 3/56, 3/64, 3/68, 3/69)
AC-3
I
e
/AC-3/400 V
A
40
50
65
80
80
95
110
400 V
kW
18.5
22
30
37
37
45
55
230 V
690 V
1 000 V
kW
kW
kW
11
22
--
15
22
--
18.5
37
--
22
45
--
22
55
37
22
75
37
30
90
37
AC-4
(at
I
a
= 6 x
I
e
)
400 V
kW
18.5
22
30
37
37
45
55
400 V (200 000 operating cycles)
kW
11.6
12.6
14.7
15.8
17.9
22
24.3
AC-1
(40 °C,
690 V)
I
e
A
60
70
80
90
125
130
130
Accessories for contactors
Auxiliary
switch blocks
• On front
3RH29, 3RA28
(p. 3/93 ... 3/100)
3RH29, 3RA28
(p. 3/93 ... 3/100)
• Lateral
3RH29
(p. 3/97)
3RH29
(p. 3/97)
Function
modules
• Direct-on-line starting
3RA283.
(p. 3/105)
3RA283.
(p. 3/105)
• IO-Link, AS-Interface
3RA271.-.AA00
(p. 3/106, 3/107)
3RA271.-.AA00
(p. 3/106, 3/107)
Surge suppressors
3RT2936
(p. 3/102, 3/103)
3RT2936
1)
, 3RT2946
(p. 3/102, 3/103)
Terminal covers
3RT2936-4EA2
(p. 3/116)
3RT2946-4EA2
(p. 3/116)
3RU2 and 3RB overload relays
3RU thermal overload relays
3RU2136
11 ... 80 A
(p. 7/85)
3RU2146
28 ... 100 A
(p. 7/85)
3RB electronic overload relays
• for standard applications
3RB3036
3RB3133
12.5 ... 80 A
(p. 7/97 ... 7/99)
3RB3046
3RB3143
12.5 ... 115 A
(p. 7/97 ... 7/99)
• for High-Feature applications
3RB22, 3RB23 and 3RB24
with 3RB2906-2JG1 cur-
rent measuring module
(p. 7/120, 7/128)
(p. 7/132)
3RB22, 3RB23 and 3RB24
with 3RB2906-2JG1 cur-
rent measuring module
(p. 7/120, 7/128)
(p. 7/132)
10 ... 100 A
10 ... 100 A
3RV20 motor starter protectors
Motor starter protectors
3RV2031, 3RV2032
9.5 ... 80 A
(p. 7/27)
3RV2041, 3RV2042
28 ... 100 A
(p. 7/27)
Link modules
3RA2931
(p. 7/49)
3RA1941
(p. 7/49)
3RA23 reversing contactor assemblies
Complete units
Type
3RA2335
(p. 3/164)
3RA2336
3RA2337
3RA2338
3RA2345
(p. 3/165)
3RA2346
3RA2347
400 V
kW
18.5
22
30
37
37
45
55
Assembly kits/wiring modules
3RA2933-2AA.
(p. 3/109)
3RA2943-2AA.
(p. 3/109)
Function modules
3RA271.-.BA00
(p. 3/106)
3RA271.-.BA00
(p. 3/106)
Mechanical interlocks
3RA2934-2B
(p. 3/113)
3RA2934-2B
(p. 3/113)
3RA24 contactor assemblies for star-delta (wye-delta) starting
Complete units
Type
3RA2434
(p. 3/181)
3RA2435
3RA2436
3RA2437
3RA2444
(p. 3/182)
3RA2445
3RA2446
400 V
kW
22/30
37
45
55
55
75
90
Assembly kits/wiring modules
3RA2933-2BB./-2C
(p. 3/110)
3RA2943-2BB./-2C
(p. 3/110)
Function modules
3RA271.-.CA00
(p. 3/106)
3RA271.-.CA00
(p. 3/106)
© Siemens AG 2016