SIEMENS
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Siemens IC 10 · 2017
Switching Devices – Contactors and Contactor Assemblies
Contactors for Special Applications
Introduction
4
■
Overview
1)
The value in brackets applies to the NC for DC operation.
Note:
For safety characteristics for contactors,
see
"Standards and Approvals", from page 16/10 onwards
.
More information
Home page,
see www.siemens.com/sirius
Industry Mall,
see www.siemens.com/product?3RT_3TK_3TC
Conversion tool e.g. from 3RT13 to 3RT23
, see
www.siemens.com/sirius/conversion-tool
Online configurator for 3RT20 contactors,
see
www.siemens.com/sirius/configurators
Size
Type
S00
3RT231., 3RT251.
S0
3RT232., 3RT2526
4-pole 3RT23, 3RT25 contactors
Type
3RT2316
3RT2317
3RT2516
3RT2517
3RT2518
3RT2325
3RT2326
3RT2327
3RT2526
Number of main contacts
4 NO
2 NO + 2 NC
4 NO
2 NO + 2 NC
AC, DC operation
(p. 4/17, 4/19)
(p. 4/23, 4/24)
(p. 4/17 ... 4/19)
(p. 4/23, 4/24)
AC-1
I
e
at 690 V [40 °C / 60 °C]
A
18 / 16
22 / 20
18 / 16
22 / 20
22 / 20
35 / 30
40 / 35
50 / 42
40 / 35
P
at 400 V
40 °C
kW
11.5
14
11.5
14
14
23
26
33
26
60 °C
kW
10.5
13
10.5
13
13
20
23
28
23
AC-2 and AC-3
I
e
at 400 V
NO
A
9
12
9
12
16
15.5
15.5
15.5
25
NC
A
--
--
9
9
9
--
--
--
25 (20)
1)
P
at 400 V
(NC for DC operation)
NO /
NC
kW
4
5.5
4
5.5 / 4
7.5 / 4
7.5
7.5
7.5
11 (7.5)
1)
At 230 V
NO /
NC
kW
2.2
3
3
3 / 2.2
4 / 2.2
4
4
4
5.5
Accessories for contactors
Auxiliary switch blocks
3RH29, 3RA28
(p. 3/93 ... 3/100)
3RH29, 3RA28
(p. 3/93 ... 3/100)
Function modules (direct-on-line starting,
star-delta (wye-delta) starting)
3RA281.
(p. 3/105)
3RA281.
(p. 3/105)
Surge suppressors
3RT2916
(p. 3/102, 3/103)
3RT2926
(p. 3/102, 3/103)
© Siemens AG 2016