Data sheet
3RT2026-1AG20
power contactor, AC-3 25 A, 11 kW / 400 V 1 NO + 1 NC, 110 V AC, 50 /
60 Hz, 3-pole, Size S0, screw terminal
product brand name
SIRIUS
product designation
Power contactor
product type designation
3RT2
General technical data
size of contactor
S0
product extension
● function module for communication
No
● auxiliary switch
Yes
power loss [W] for rated value of the current
● at AC in hot operating state
5.7 W
● at AC in hot operating state per pole
1.9 W
● without load current share typical
10.5 W
insulation voltage
● of main circuit with degree of pollution 3 rated value
690 V
● of auxiliary circuit with degree of pollution 3 rated
value
690 V
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 according 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 contactor typical
10 000 000
● of the contactor with added electronically optimized
auxiliary switch block typical
5 000 000
● of the contactor with added auxiliary switch block
typical
10 000 000
reference code according to IEC 81346-2
Q
Substance Prohibitance (Date)
10/01/2009
Ambient conditions
installation altitude at height above sea level maximum
2 000 m
ambient temperature
● during operation
-25 ... +60 °C
● during storage
-55 ... +80 °C
relative humidity minimum
10 %
relative humidity at 55 °C according to IEC 60068-2-30
maximum
95 %
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Main circuit
number of poles for main current circuit
3
number of NO contacts for main contacts
3
operating voltage
● at AC-3 rated value maximum
690 V
● at AC-3e rated value maximum
690 V
operational current
● at AC-1 at 400 V at ambient temperature 40 °C
rated value
40 A
● at AC-1
— up to 690 V at ambient temperature 40 °C
rated value
40 A
— up to 690 V at ambient temperature 60 °C
rated value
35 A
● at AC-3
— at 400 V rated value
25 A
— at 500 V rated value
18 A
— at 690 V rated value
13 A
● at AC-3e
— at 400 V rated value
25 A
— at 500 V rated value
18 A
— at 690 V rated value
13 A
● at AC-4 at 400 V rated value
15.5 A
● at AC-5a up to 690 V rated value
35.2 A
● at AC-5b up to 400 V rated value
20.7 A
● at AC-6a
— up to 230 V for current peak value n=20 rated
value
20.2 A
— up to 400 V for current peak value n=20 rated
value
20.2 A
— up to 500 V for current peak value n=20 rated
value
20.2 A
— up to 690 V for current peak value n=20 rated
value
12.9 A
● at AC-6a
— up to 230 V for current peak value n=30 rated
value
13.5 A
— up to 400 V for current peak value n=30 rated
value
13.5 A
— up to 500 V for current peak value n=30 rated
value
13.5 A
— up to 690 V for current peak value n=30 rated
value
13 A
minimum cross-section in main circuit at maximum AC-1
rated value
10 mm²
operational current for approx. 200000 operating
cycles at AC-4
● at 400 V rated value
9A
● at 690 V rated value
9A
operational current
● at 1 current path at DC-1
— at 24 V rated value
35 A
— at 110 V rated value
4.5 A
— at 220 V rated value
1A
— at 440 V rated value
0.4 A
— at 600 V rated value
0.25 A
● with 2 current paths in series at DC-1
— at 24 V rated value
35 A
— at 110 V rated value
35 A
— at 220 V rated value
5A
— at 440 V rated value
1A
— at 600 V rated value
0.8 A
● with 3 current paths in series at DC-1
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— at 24 V rated value
35 A
— at 110 V rated value
35 A
— at 220 V rated value
35 A
— at 440 V rated value
2.9 A
— at 600 V rated value
1.4 A
● at 1 current path at DC-3 at DC-5
— at 24 V rated value
20 A
— at 110 V rated value
2.5 A
— at 220 V rated value
1A
— at 440 V rated value
0.09 A
— at 600 V rated value
0.06 A
● with 2 current paths in series at DC-3 at DC-5
— at 24 V rated value
35 A
— at 110 V rated value
15 A
— at 220 V rated value
3A
— at 440 V rated value
0.27 A
— at 600 V rated value
0.16 A
● with 3 current paths in series at DC-3 at DC-5
— at 24 V rated value
35 A
— at 110 V rated value
35 A
— at 220 V rated value
10 A
— at 440 V rated value
0.6 A
— at 600 V rated value
0.6 A
operating power
● at AC-3
— at 230 V rated value
5.5 kW
— at 400 V rated value
11 kW
— at 500 V rated value
11 kW
— at 690 V rated value
11 kW
● at AC-3e
— at 230 V rated value
5.5 kW
— at 400 V rated value
11 kW
— at 500 V rated value
11 kW
— at 690 V rated value
11 kW
operating power for approx. 200000 operating cycles
at AC-4
● at 400 V rated value
4.4 kW
● at 690 V rated value
7.7 kW
operating apparent power at AC-6a
● up to 230 V for current peak value n=20 rated value
8 kVA
● up to 400 V for current peak value n=20 rated value
13.9 kVA
● up to 500 V for current peak value n=20 rated value
17.4 kVA
● up to 690 V for current peak value n=20 rated value
15.4 kVA
operating apparent power at AC-6a
● up to 230 V for current peak value n=30 rated value
5.3 kVA
● up to 400 V for current peak value n=30 rated value
9.3 kVA
● up to 500 V for current peak value n=30 rated value
11.6 kVA
● up to 690 V for current peak value n=30 rated value
15.5 kVA
short-time withstand current in cold operating state
up to 40 °C
● limited to 1 s switching at zero current maximum
375 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 5 s switching at zero current maximum
299 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 10 s switching at zero current maximum
200 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 30 s switching at zero current maximum
128 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 60 s switching at zero current maximum
106 A; Use minimum cross-section acc. to AC-1 rated value
no-load switching frequency
● at AC
5 000 1/h
operating frequency
● at AC-1 maximum
1 000 1/h
● at AC-2 maximum
750 1/h
● at AC-3 maximum
750 1/h
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● at AC-3e maximum
750 1/h
● at AC-4 maximum
250 1/h
Control circuit/ Control
type of voltage of the control supply voltage
AC
control supply voltage at AC
● at 50 Hz rated value
110 V
● at 60 Hz rated value
110 V
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
● at 50 Hz
81 VA
● at 60 Hz
79 VA
inductive power factor with closing power of the coil
● at 50 Hz
0.72
● at 60 Hz
0.74
apparent holding power of magnet coil at AC
● at 50 Hz
10.5 VA
● at 60 Hz
8.5 VA
inductive power factor with the holding power of the
coil
● at 50 Hz
0.25
● at 60 Hz
0.28
closing delay
● at AC
8 ... 40 ms
opening delay
● at AC
4 ... 16 ms
arcing time
10 ... 10 ms
control version of the switch operating mechanism
Standard A1 - A2
Auxiliary circuit
number of NC contacts for auxiliary contacts
instantaneous contact
1
number of NO contacts for auxiliary contacts
instantaneous contact
1
operational current at AC-12 maximum
10 A
operational current at AC-15
● at 230 V rated value
10 A
● at 400 V rated value
3A
● at 500 V rated value
2A
● at 690 V rated value
1A
operational current at DC-12
● at 24 V rated value
10 A
● at 48 V rated value
6A
● at 60 V rated value
6A
● at 110 V rated value
3A
● at 125 V rated value
2A
● at 220 V rated value
1A
● at 600 V rated value
0.15 A
operational current at DC-13
● at 24 V rated value
10 A
● at 48 V rated value
2A
● at 60 V rated value
2A
● at 110 V rated value
1A
● at 125 V rated value
0.9 A
● at 220 V rated value
0.3 A
● at 600 V rated value
0.1 A
contact reliability of auxiliary contacts
1 faulty switching per 100 million (17 V, 1 mA)
UL/CSA ratings
full-load current (FLA) for 3-phase AC motor
● at 480 V rated value
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© Copyright Siemens
● at 600 V rated value
22 A
yielded mechanical performance [hp]
● for single-phase AC motor
— at 110/120 V rated value
2 hp
— at 230 V rated value
3 hp
● for 3-phase AC motor
— at 200/208 V rated value
5 hp
— at 220/230 V rated value
7.5 hp
— at 460/480 V rated value
15 hp
— at 575/600 V rated value
20 hp
contact rating of auxiliary contacts according to UL
A600 / P600
Short-circuit protection
design of the fuse link
● for short-circuit protection of the main circuit
— with type of coordination 1 required
gG: 100 A (690 V, 100 kA), aM: 50 A (690 V, 100 kA), BS88: 100 A (415
V, 80 kA)
— with type of assignment 2 required
gG: 35A (690V, 100kA), aM: 20A (690V, 100kA), BS88: 35A (415V,
80kA)
● for short-circuit protection of the auxiliary switch
required
gG: 10 A (500 V, 1 kA)
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 60715
● side-by-side mounting
Yes
height
85 mm
width
45 mm
depth
97 mm
required spacing
● with side-by-side mounting
— forwards
10 mm
— upwards
10 mm
— downwards
10 mm
— at the side
0 mm
● for grounded parts
— forwards
10 mm
— upwards
10 mm
— at the side
6 mm
— downwards
10 mm
● for live parts
— forwards
10 mm
— upwards
10 mm
— downwards
10 mm
— at the side
6 mm
Connections/ Terminals
type of electrical connection
● for main current circuit
screw-type terminals
● for auxiliary and control circuit
screw-type terminals
● at contactor for auxiliary contacts
Screw-type terminals
● of magnet coil
Screw-type terminals
type of connectable conductor cross-sections
● for main contacts
— solid
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)
connectable conductor cross-section for main
contacts
● solid
1 ... 10 mm²
● stranded
1 ... 10 mm²
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● finely stranded with core end processing
1 ... 10 mm²
connectable conductor cross-section for auxiliary
contacts
● solid or stranded
0.5 ... 2.5 mm²
● finely stranded with core end processing
0.5 ... 2.5 mm²
type of connectable conductor cross-sections
● for auxiliary contacts
— solid or stranded
2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 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)
AWG number as coded connectable conductor cross
section
● for main contacts
16 ... 8
● for auxiliary contacts
20 ... 14
Safety related data
product function
● mirror contact according to IEC 60947-4-1
B10 value with high demand rate according to SN 31920
Yes
450 000
proportion of dangerous failures
● with low demand rate according to SN 31920
40 %
● with high demand rate according to SN 31920
73 %
failure rate [FIT] with low demand rate according to SN
31920
100 FIT
T1 value for proof test interval or service life according to
IEC 61508
20 y
protection class IP on the front according to IEC
60529
IP20
touch protection on the front according to IEC 60529
finger-safe, for vertical contact from the front
suitability for use
● safety-related switching OFF
Yes
Certificates/ approvals
General Product Approval
Confirmation
EMC
Functional
Safety/Safety of
Machinery
KC
Declaration of Conformity
Type Examination
Certificate
Test Certificates
Special Test Certificate
Type Test Certificates/Test Report
Marine / Shipping
other
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Confirmation
Confirmation
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=3RT2026-1AG20
Cax online generator
http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RT2026-1AG20
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/ww/en/ps/3RT2026-1AG20
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RT2026-1AG20&lang=en
Characteristic: Tripping characteristics, I²t, Let-through current
https://support.industry.siemens.com/cs/ww/en/ps/3RT2026-1AG20/char
Further characteristics (e.g. electrical endurance, switching frequency)
http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RT2026-1AG20&objecttype=14&gridview=view1
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3/L2
5/L3
13
4/T2
6/T3
14
21
1/L1
2/T1
A1
last modified:
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22
A2
-Q
6/2/2022
7/5/2022
Subject to change without notice
© Copyright Siemens