Data sheet
3RT2038-1XF40-0LA2
Traction contactor, AC-3 80 A, 37 kW / 400 V 1 NO + 1 NC 110 V DC, 0.71.25* Us with varistor 3-pole, Size S2, screw terminals
product brand name
SIRIUS
product designation
Contactor
design of the product
With extended operating range
product type designation
3RT2
General technical data
size of contactor
S2
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
● per pole
power loss [W] for rated value of the current without
load current share typical
17.1 W
5.7 W
1W
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 acc. to EN 60947-1
400 V
shock resistance at rectangular impulse
● at DC
7.7g / 5 ms, 4.5g / 10 ms
shock resistance with sine pulse
● at DC
12g / 5 ms, 7g / 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 acc. to IEC 81346-2
Q
Substance Prohibitance (Date)
01.10.2014 00:00:00
Ambient conditions
installation altitude at height above sea level maximum
2 000 m
● ambient temperature during operation
-40 ... +70 °C
● ambient temperature during storage
-55 ... +80 °C
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© Copyright Siemens
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
operational current
● at AC-1 at 400 V at ambient temperature 40 °C
rated value
90 A
● at AC-1
— up to 690 V at ambient temperature 40 °C
rated value
90 A
— up to 690 V at ambient temperature 60 °C
rated value
80 A
● at AC-2 at 400 V rated value
80 A
● at AC-3
— at 400 V rated value
80 A
— at 500 V rated value
80 A
— at 690 V rated value
58 A
● at AC-4 at 400 V rated value
55 A
minimum cross-section in main circuit
● at maximum AC-1 rated value
35 mm²
● at maximum Ith rated value
35 mm²
operational current for approx. 200000 operating
cycles at AC-4
● at 400 V rated value
30 A
● at 690 V rated value
24 A
operational current
● at 1 current path at DC-1
— at 24 V rated value
55 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
55 A
— at 110 V rated value
45 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
— at 24 V rated value
55 A
— at 110 V rated value
55 A
— at 220 V rated value
45 A
— at 440 V rated value
2.9 A
— at 600 V rated value
1.4 A
operational current
● at 1 current path at DC-3 at DC-5
— at 24 V rated value
35 A
— at 110 V rated value
2.5 A
— at 220 V rated value
1A
— at 440 V rated value
0.1 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
55 A
— at 110 V rated value
25 A
— at 220 V rated value
5A
— 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
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55 A
1.21.2021
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© Copyright Siemens
— at 110 V rated value
55 A
— at 220 V rated value
25 A
— at 440 V rated value
0.6 A
— at 600 V rated value
0.35 A
operating power
● at AC-2 at 400 V rated value
37 kW
● at AC-3
— at 230 V rated value
22 kW
— at 400 V rated value
37 kW
— at 500 V rated value
37 kW
— at 690 V rated value
45 kW
operating power for approx. 200000 operating cycles
at AC-4
● at 400 V rated value
15.8 kW
● at 690 V rated value
21.8 kW
short-time withstand current in cold operating state
up to 40 °C
● limited to 1 s switching at zero current maximum
1 298 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 5 s switching at zero current maximum
898 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 10 s switching at zero current maximum
640 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 30 s switching at zero current maximum
414 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 60 s switching at zero current maximum
333 A; Use minimum cross-section acc. to AC-1 rated value
no-load switching frequency
● at DC
1 500 1/h
Ratings for railway applications
thermal current (Ith) up to 690 V
● up to 40 °C according to IEC 60077 rated value
90 A
● up to 70 °C according to IEC 60077 rated value
75 A
Control circuit/ Control
type of voltage
DC
type of voltage of the control supply voltage
DC
control supply voltage at DC
● rated value
110 V
operating range factor control supply voltage rated
value of magnet coil at DC
● initial value
0.7
● full-scale value
1.25
design of the surge suppressor
with varistor
inrush current peak
1.5 A
duration of inrush current peak
50 µs
locked-rotor current mean value
0.45 A
locked-rotor current peak
0.8 A
duration of locked-rotor current
230 ms
holding current mean value
12 mA
closing power of magnet coil at DC
23 W
holding power of magnet coil at DC
1W
closing delay
● at DC
45 ... 60 ms
opening delay
● at DC
35 ... 55 ms
arcing time
10 ... 20 ms
control version of the switch operating mechanism
Standard A1 - A2
Auxiliary circuit
number of NC contacts for auxiliary contacts
● instantaneous contact
number of NO contacts for auxiliary contacts
● instantaneous contact
operational current at AC-12 maximum
1
1
1
1
10 A
operational current at AC-15
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© Copyright Siemens
● 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
65 A
● at 600 V rated value
62 A
yielded mechanical performance [hp]
● for single-phase AC motor
— at 110/120 V rated value
5 hp
— at 230 V rated value
15 hp
● for 3-phase AC motor
— at 200/208 V rated value
20 hp
— at 220/230 V rated value
25 hp
— at 460/480 V rated value
50 hp
— at 575/600 V rated value
60 hp
contact rating of auxiliary contacts according to UL
A600 / P600
Short-circuit protection
product function short circuit protection
No
design of the fuse link
● for short-circuit protection of the main circuit
— with type of coordination 1 required
gG: 250 A (690 V, 100 kA), aM: 160 A (690 V, 100 kA), BS88: 200 A
(415 V, 80 kA)
— with type of assignment 2 required
gG: 160A (690V,100kA), aM: 80A (690V,100kA), BS88: 125A
(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
114 mm
width
55 mm
depth
130 mm
required spacing
● with side-by-side mounting
— forwards
10 mm
— upwards
10 mm
— downwards
10 mm
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© Copyright Siemens
— 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 or stranded
2x (1 ... 35 mm²), 1x (1 ... 50 mm²)
— finely stranded with core end processing
2x (1 ... 25 mm²), 1x (1 ... 35 mm²)
● at AWG cables for main contacts
2x (18 ... 2), 1x (18 ... 1)
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
18 ... 1
● AWG number as coded connectable conductor
cross section for auxiliary contacts
20 ... 14
Safety related data
B10 value with high demand rate acc. to SN 31920
1 000 000
proportion of dangerous failures
● with low demand rate acc. to SN 31920
40 %
● with high demand rate acc. to SN 31920
73 %
failure rate [FIT] with low demand rate acc. to SN 31920
100 FIT
product function
● mirror contact acc. to IEC 60947-4-1
Yes
● positively driven operation acc. to IEC 60947-5-1
No
T1 value for proof test interval or service life acc. to
IEC 61508
20 y
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
suitability for use safety-related switching OFF
Yes
Communication/ Protocol
product function bus communication
No
Certificates/ approvals
General Product Approval
EMC
KC
Declaration of Conformity
3RT20381XF400LA2
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Test Certificates
1.21.2021
Marine / Shipping
Subject to change without notice
© Copyright Siemens
Miscellaneous
Special Test
Certificate
Type Test
Certificates/Test
Report
Marine / Shipping
other
Confirmation
Railway
Type Test
Certificates/Test
Report
Special Test
Certificate
Vibration and Shock
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=3RT2038-1XF40-0LA2
Cax online generator
http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RT2038-1XF40-0LA2
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/ww/en/ps/3RT2038-1XF40-0LA2
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RT2038-1XF40-0LA2&lang=en
Characteristic: Tripping characteristics, I²t, Let-through current
https://support.industry.siemens.com/cs/ww/en/ps/3RT2038-1XF40-0LA2/char
Further characteristics (e.g. electrical endurance, switching frequency)
http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RT2038-1XF40-0LA2&objecttype=14&gridview=view1
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last modified:
3RT20381XF400LA2
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12/15/2020
1.21.2021
Subject to change without notice
© Copyright Siemens
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