Data sheet
3RT2627-1AC25
Capacitor contactor, AC-6b 25 kVAr, / 400 V 1 NO + 2 NC, 24 V AC, 50/60
Hz 3-pole, Size S0 screw terminal
product brand name
SIRIUS
product designation
capacitor contactors
product type designation
3RT26
General technical data
size of contactor
S0
product extension auxiliary switch
No
surge voltage resistance
● of main circuit rated value
6 kV
● of auxiliary circuit rated value
6 kV
maximum permissible voltage for safe isolation between
coil and main contacts acc. to EN 60947-1
400 V
shock resistance at rectangular impulse
● at AC
8,3g / 5 ms, 5,3g / 10 ms
shock resistance with sine pulse
● at AC
13,5g / 5 ms, 8,3g / 10 ms
mechanical service life (switching cycles)
● of the contactor with added auxiliary switch block
typical
3 000 000
electrical endurance (switching cycles)
200 000
reference code acc. to IEC 81346-2
Q
Substance Prohibitance (Date)
01.05.2014 00:00:00
Ambient conditions
installation altitude at height above sea level maximum
2 000 m
● ambient temperature during operation
-25 ... +60 °C
● ambient temperature during storage
-55 ... +80 °C
Main circuit
number of NO contacts for main contacts
3
number of NC contacts for main contacts
0
operational current at AC-6b at 690 V at ambient
temperature 60 °C rated value
36 A
operating reactive power at AC-6b
● at 230 V at 50/60 Hz at ambient temperature 60 °C
rated value
5 ... 14 kvar
● at 400 V at 50/60 Hz at ambient temperature 60 °C
rated value
8 ... 25 kvar
● at 500 V at 50/60 Hz at ambient temperature 60 °C
rated value
10 ... 31 kvar
● at 690 V at 50/60 Hz at ambient temperature 60 °C
rated value
14 ... 43 kvar
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no-load switching frequency
● at AC
500 1/h
operating frequency at AC-6b
● at 230 V maximum
100 1/h
● at 240 V maximum
100 1/h
● at 400 V maximum
100 1/h
● at 480 V maximum
100 1/h
● at 500 V maximum
100 1/h
● at 600 V maximum
100 1/h
● at 690 V maximum
72 1/h
Control circuit/ Control
type of voltage
AC
type of voltage of the control supply voltage
AC
● control supply voltage at AC at 50 Hz rated value
24 V
● control supply voltage at AC at 60 Hz rated value
24 V
control supply voltage frequency
● 1 rated value
50 Hz
● 2 rated value
60 Hz
operating range factor control supply voltage rated
value of magnet coil at AC
● at 50 Hz
0.8 ... 1.1
● at 60 Hz
0.85 ... 1.1
apparent pick-up power of magnet coil at AC
81 V·A
inductive power factor with closing power of the coil
0.72
apparent holding power of magnet coil at AC
10.5 V·A
inductive power factor with the holding power of the
coil
0.25
closing delay
● at AC
arcing time
8 ... 40 ms
10 ... 15 ms
residual current of the electronics for control with
signal
● at AC at 230 V maximum permissible
7 mA
Auxiliary circuit
number of NC contacts for auxiliary contacts
2
● attachable
0
● instantaneous contact
2
number of NO contacts for auxiliary contacts
1
● attachable
0
● instantaneous contact
1
operational current of auxiliary contacts at AC-12
maximum
10 A
operational current of auxiliary contacts at AC-15
● at 230 V
6A
● at 400 V
3A
operational current of auxiliary contacts at DC-13
● at 24 V
6A
● at 60 V
2A
● at 110 V
1A
● at 125 V
0.9 A
● at 220 V
0.3 A
contact reliability of auxiliary contacts
0.00000001
UL/CSA ratings
contact rating of auxiliary contacts according to UL
A600 / Q600
Short-circuit protection
design of the fuse link
● for short-circuit protection of the main circuit with
type of coordination 1 required
gG: 80 A (690 V, 50 kA)
● for short-circuit protection of the auxiliary switch
gG: 10 A (500 V, 1 kA)
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© Copyright Siemens
required
Installation/ mounting/ dimensions
mounting position
+/-180° rotation possible on vertical mounting surface; can be tilted
forward and backward by +/- 22.5° on vertical mounting surface
fastening method
screw and snap-on mounting onto 35 mm standard mounting rail
according to DIN EN 50022
height
135 mm
width
45 mm
depth
155 mm
required spacing
● with side-by-side mounting at the side
10 mm
● for grounded parts at the side
10 mm
Connections/ Terminals
type of electrical connection
● for main current circuit
screw-type terminals
● for auxiliary and control circuit
screw-type terminals
type of connectable conductor cross-sections
● for main contacts
— solid
2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)
— stranded
2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)
— solid or stranded
2x (1 ... 2,5 mm²), 2x (2,5 ... 10 mm²)
— finely stranded with core end processing
2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm²
● at AWG cables for main contacts
2x (16 ... 12), 2x (14 ... 8)
type of connectable conductor cross-sections
● for auxiliary contacts
— solid
2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
— solid or stranded
2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), 2x 4 mm²
— finely stranded with core end processing
2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
● at AWG cables for auxiliary contacts
2x (20 ... 16), 2x (18 ... 14), 2x 12
type of minimum connectable cross-section for main
contacts at AC-6b
● at 40 °C
1x 10 mm²
● at 60 °C
2x 10 mm²
AWG number as coded connectable conductor cross
section for main contacts
16 ... 8
Safety related data
product function
● mirror contact acc. to IEC 60947-4-1
No
● positively driven operation acc. to IEC 60947-5-1
No
protection class IP on the front acc. to IEC 60529
IP20
touch protection on the front acc. to IEC 60529
finger-safe, for vertical contact from the front
Certificates/ approvals
General Product Approval
Declaration of
Conformity
Miscellaneous
3RT26271AC25
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Test Certificates
Type Test
Certificates/Test
Report
EMC
Marine / Shipping
Declaration of
Conformity
other
Confirmation
1.21.2021
Subject to change without notice
© Copyright Siemens
Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
https://www.siemens.com/ic10
Industry Mall (Online ordering system)
https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3RT2627-1AC25
Cax online generator
http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RT2627-1AC25
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/ww/en/ps/3RT2627-1AC25
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RT2627-1AC25&lang=en
Characteristic: Tripping characteristics, I²t, Let-through current
https://support.industry.siemens.com/cs/ww/en/ps/3RT2627-1AC25/char
Further characteristics (e.g. electrical endurance, switching frequency)
http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RT2627-1AC25&objecttype=14&gridview=view1
3RT26271AC25
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3RT26271AC25
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last modified:
3RT26271AC25
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12/15/2020
1.21.2021
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© Copyright Siemens