SIEMENS
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Siemens IC 10 · 2017
Contactors for Special Applications
SIRIUS 3RT26 contactors for capacitive loads (AC-6b), 3-pole
4
All technical specifications not mentioned in the table below
are identical to those of the 3RT20 contactors:
•
For size S00 as for the 3RT201 contactors
•
For size S0 as for the 3RT202 contactors
•
For size S2 as for the 3RT203 contactors
See page 3/19 onwards
.
1)
A clearance of 10 mm is required for side-by-side mounting at ambient
temperatures > 60 °C.
Type
3RT2617
3RT2625
3RT2626
3RT2627
3RT2628
3RT2636
3RT2637
Size
S00
S0
S2
General data
Dimensions (W x H x D)
including auxiliary switches and
connecting cables
• AC operation
mm
45 x 125 x
120
45 x 135 x 155
45 x 150 x
155
65 x 114 x 130
• DC operation,
AC/DC operation
mm
45 x 125 x
120
45 x 135 x 165
45 x 150 x
165
65 x 114 x 130
Permissible mounting position
The contactors are designed for operation on a vertical
mounting surface.
Mechanical endurance
• Basic units with mounted auxiliary switch block
Operat-
ing cy-
cles
3 million
Electrical endurance
For apparent power at 400 V
kvar
12.5
16.7
20
25
33
50
75
Operat-
ing
cycles
300 000
200 000
150 000
200 000
150 000
Rated insulation voltage
U
i
(Pollution degree 3)
V
690
Rated impulse withstand voltage
U
imp
kV
6
Protective separation
between coil and main contacts
According to IEC 60947-1, Appendix N
V
400
Permissible ambient temperature
• Mode
1)
°C
-25 ... +60
• During storage
°C
-55 ... +80
Degree of protection
acc. to IEC 60529
• On front
IP20
• Connecting terminal
IP20
IP00 (for higher degree
of protection, use additional
terminal covers)
Touch protection
acc. to IEC 60529
Finger-safe
Finger-safe for vertical
touching from the front
Shock resistance
• Rectangular pulse
g
/ms
6.7/5 and
4.2/10
7.5/5 and
4.7/10
8.3/5 and 5.3/10
6.8/5 and 4/10
• Sine pulse
g
/ms
10.5/5 and
6.6/10
11.8/5 and
7.4/10
13.5/5 and 8.3/10
10.6/5 and 6.2/10
Short-circuit protection
Main circuit
• Fuse links, operational class gG:
LV HRC, type 3NA; DIAZED, type 5SB; NEOZED, type 5SE
acc. to IEC 60947-4-1/EN 60947-4-1
-
Type of coordination "1"
A
25 ... 40
32 ... 80
40 ... 80
50 ... 100
63 ... 100
100 ... 160
160 ... 200
Auxiliary circuit
• With fuse links of operational class gG:
DIAZED, type 5SB; NEOZED, type 5SE
with short-circuit current
I
k
= 1 kA acc. to IEC 60947-5-1
A
10
• With miniature circuit breaker with C characteristic
With short-circuit current
I
k
= 400 A
A
10
W
H
D
360°
22,5°
22,5°
NSB0_00478c
© Siemens AG 2016