SIEMENS
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Siemens IC 10 · 2017
Contactors for Special Applications
SIRIUS 3RT26 contactors for capacitive loads (AC-6b), 3-pole
4
1)
Operating cycles/h: 100 with AC operation; 80 with AC/DC operation.
Type
3RT2617
3RT2625
3RT2626
3RT2627
3RT2628
3RT2636
3RT2637
Size
S00
S0
S2
Auxiliary circuit
Auxiliary contacts
(unassigned)
1 NO +
1 NC,
2 NC
1 NO + 2 NC
1 NO + 1 NC,
2 NC
Another auxiliary contact can be mounted laterally
--
No more than one lateral
auxiliary switch block can be
mounted.
Technical specifications including CSA and UL rated data of
the auxiliary contacts,
see "3RT20 contactors", from
page 3/19 onwards
.
Rated data of the main contacts
Load rating with AC
Utilization category AC-6b
Switching of AC capacitors
Rated operational current
I
e
for AC
• At ambient temperature of 40 °C
A
18.9
25.3
30.2
37.8
50
75.8
113.4
• At ambient temperature of 60 °C
A
18
24
29
36
47.6
72.2
108
Rated operational reactive power
at rated operational current
230 V, 50/60 Hz
kvar
0 ... 7.2
3 ... 9.6
4 ... 11.5
5 ... 14
6 ... 19
10 ... 29
14 ... 43
400 V, 50/60 Hz
kvar
0 ... 12.5
6 ... 16.7
7 ... 20
8 ... 25
11 ... 33
17 ... 50
25 ... 75
500 V, 50/60 Hz
kvar
0 ... 15
7 ... 21
8 ... 25
10 ... 31
14 ... 41
21 ... 63
31 ... 94
690 V, 50/60 Hz
kvar
0 ... 21
10 ... 29
11 ... 34
14 ... 43
19 ... 57
29 ... 86
43 ... 129
Switching frequency
No-load switching frequency
AC operation
1/h
500
DC operation
1/h
500
Max. switching frequency
z
in operating cycles/hour
• At
I
e
/AC-6b and at
230 V, 50/60 Hz
1/h
180
100
400 V, 50/60 Hz
1/h
180
100
100 / 80
1)
480 V, 50/60 Hz
1/h
180
100
70
60
50
500 V, 50/60 Hz
1/h
180
100
65
55
45
600 V, 50/60 Hz
1/h
180
100
45
40
32
690 V, 50/60 Hz
1/h
180
150
100
72
36
30
25
s
and
u
rated data
Rated insulation voltage
V AC
600
Rated operational reactive power
at AC-6b, three-phase,
at operational voltage
110 ... 120 V
kvar
3.4
4.6
5.5
6.3
8.3
14
19
200 ... 208 V
kvar
6.2
8.3
10
11
15
25
34
220 ... 230 V
kvar
6.9
9.2
11
13
17
27
38
460 ... 480 V
kvar
14
18
22
25
33
55
75
575 ... 600 V
kvar
17
23
27
31
41
69
94
Short-circuit protection
At 600 V
kA
5
10
Fuse for main circuit
Class RK5
A
40
80
100
250
© Siemens AG 2016