3RT2038-1AP64
CONTACT.,37KW2NO+2NC 220V 50HZ/240V 60HZ

From SIEMENS

Power contactor, AC-3 80 A, 37 kW / 400 V 2 NO + 2 NC, 220 V AC, 50 Hz 240 V, 60Hz, 3-pole Size S2, screw terminals
Product brand nameSIRIUS
Product designationPower contactor
Product type designation3RT2
General technical data
Size of contactorS2
Product extension
function module for communicationNo
Auxiliary switchNo
Surge voltage resistance
of main circuit rated value6 kV
of auxiliary circuit rated value6 kV
maximum permissible voltage for safe isolation
between coil and main contacts acc. to EN 60947-1400 V
Protection class IP
on the frontIP20
of the terminalIP00
Shock resistance at rectangular impulse
at AC9.8g / 5 ms, 6.5g / 10 ms
Shock resistance with sine pulse
at AC15.3g / 5 ms, 10.1g / 10 ms
Mechanical service life (switching cycles)
of contactor typical10 000 000
of the contactor with added electronics-compatible auxiliary switch block typical5 000 000
of the contactor with added auxiliary switch block typical10 000 000
Reference code acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750K
Reference code acc. to DIN EN 81346-2Q
Ambient conditions
Installation altitude at height above sea level
maximum2 000 m
Main circuit
Number of poles for main current circuit3
Number of NO contacts for main contacts3
Operating voltage
at AC-3 rated value maximum690 V
Operating current
at AC-1 at 400 V
— at ambient temperature 40 °C rated value90 A
at AC-1
— up to 690 V at ambient temperature 40 °C rated value90 A
— up to 690 V at ambient temperature 60 °C rated value80 A
at AC-2 at 400 V rated value80 A
at AC-3
— at 400 V rated value80 A
— at 500 V rated value80 A
— at 690 V rated value58 A
at AC-4 at 400 V rated value55 A
at AC-5a up to 690 V rated value79.2 A
at AC-5b up to 400 V rated value66.4 A
at AC-6a
— up to 230 V at current peak n=20 rated value70 A
— up to 400 V at current peak n=20 rated value70 A
— up to 500 V at current peak n=20 rated value70 A
— up to 690 V at current peak n=20 rated value58 A
at AC-6a
— up to 230 V at current peak n=30 rated value46.7 A
— up to 400 V at current peak n=30 rated value46.7 A
— up to 500 V at current peak n=30 rated value46.7 A
— up to 690 V at current peak n=30 rated value46.7 A
Connectable conductor cross-section in main circuit at AC-1
at 60 °C minimum permissible25 mm²
at 40 °C minimum permissible35 mm²
Operating current for approx. 200000 operating cycles at AC-4
at 400 V rated value30 A
at 690 V rated value24 A
Operating current
at 1 current path at DC-1
— at 24 V rated value55 A
— at 110 V rated value4.5 A
— at 220 V rated value1 A
— at 440 V rated value0.4 A
— at 600 V rated value0.25 A
with 2 current paths in series at DC-1
— at 24 V rated value55 A
— at 110 V rated value45 A
— at 220 V rated value5 A
— at 440 V rated value1 A
— at 600 V rated value0.8 A
with 3 current paths in series at DC-1
— at 24 V rated value55 A
— at 110 V rated value55 A
— at 220 V rated value45 A
— at 440 V rated value2.9 A
— at 600 V rated value1.4 A
Operating current
at 1 current path at DC-3 at DC-5
— at 24 V rated value35 A
— at 110 V rated value2.5 A
— at 220 V rated value1 A
— at 440 V rated value0.1 A
— at 600 V rated value0.06 A
with 2 current paths in series at DC-3 at DC-5
— at 24 V rated value55 A
— at 110 V rated value25 A
— at 220 V rated value5 A
— at 440 V rated value0.27 A
— at 600 V rated value0.16 A
with 3 current paths in series at DC-3 at DC-5
— at 24 V rated value55 A
— at 110 V rated value55 A
— at 220 V rated value25 A
— at 440 V rated value0.6 A
— at 600 V rated value0.35 A
Operating power
at AC-1
— at 230 V rated value34 kW
— at 230 V at 60 °C rated value28 kW
— at 400 V rated value59 kW
— at 400 V at 60 °C rated value49 kW
— at 690 V rated value102 kW
— at 690 V at 60 °C rated value85 kW
at AC-2 at 400 V rated value37 kW
at AC-3
— at 230 V rated value22 kW
— at 400 V rated value37 kW
— at 500 V rated value37 kW
— at 690 V rated value45 kW
Operating power for approx. 200000 operating cycles at AC-4
at 400 V rated value15.8 kW
at 690 V rated value21.8 kW
Thermal short-time current limited to 10 s640 A
Power loss [W] at AC-3 at 400 V for rated value of the operating current per conductor5.7 W
No-load switching frequency
at AC5 000 1/h
Operating frequency
at AC-1 maximum700 1/h
at AC-2 maximum350 1/h
at AC-3 maximum500 1/h
at AC-4 maximum150 1/h
Control circuit/ Control
Type of voltage of the control supply voltageAC
Control supply voltage at AC
at 50 Hz rated value220 V
at 60 Hz rated value240 V
Operating range factor control supply voltage rated value of magnet coil at AC
at 50 Hz0.8 ... 1.1
at 60 Hz0.8 ... 1.1
Apparent pick-up power of magnet coil at AC
at 50 Hz212 V·A
at 60 Hz188 V·A
Inductive power factor with closing power of the coil
at 50 Hz0.69
at 60 Hz0.65
Apparent holding power of magnet coil at AC
at 50 Hz18.5 V·A
at 60 Hz16.5 V·A
Inductive power factor with the holding power of the coil
at 50 Hz0.36
at 60 Hz0.39
Closing delay
at AC10 ... 80 ms
Opening delay
at AC10 ... 18 ms
Arcing time10 ... 20 ms
Control version of the switch operating mechanismStandard A1 - A2
Auxiliary circuit
Number of NC contacts for auxiliary contacts
instantaneous contact2
Number of NO contacts for auxiliary contacts
instantaneous contact2
Operating current at AC-12 maximum10 A
Operating current at AC-15
at 230 V rated value6 A
at 400 V rated value3 A
at 500 V rated value2 A
at 690 V rated value1 A
Operating current at DC-12
at 24 V rated value10 A
at 48 V rated value6 A
at 60 V rated value6 A
at 110 V rated value3 A
at 125 V rated value2 A
at 220 V rated value1 A
at 600 V rated value0.15 A
Operating current at DC-13
at 24 V rated value6 A
at 48 V rated value2 A
at 60 V rated value2 A
at 110 V rated value1 A
at 125 V rated value0.9 A
at 220 V rated value0.3 A
at 600 V rated value0.1 A
Contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)
UL/CSA ratings
Full-load current (FLA) for three-phase AC motor
at 480 V rated value65 A
at 600 V rated value62 A
Yielded mechanical performance [hp]
for single-phase AC motor
— at 110/120 V rated value5 hp
— at 230 V rated value15 hp
for three-phase AC motor
— at 200/208 V rated value20 hp
— at 220/230 V rated value25 hp
— at 460/480 V rated value50 hp
— at 575/600 V rated value60 hp
Contact rating of auxiliary contacts according to ULA600 / Q600
Short-circuit protection
Design of the fuse link
for short-circuit protection of the main circuit
— with type of coordination 1 requiredgG: 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 requiredgG: 160A (690V,100kA), aM: 80A (690V,100kA), BS88: 125A (415V,80kA)
for short-circuit protection of the auxiliary switch requiredgG: 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
Mounting typescrew and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715
Side-by-side mountingYes
Height114 mm
Width55 mm
Depth174 mm
Required spacing
with side-by-side mounting
— forwards10 mm
— upwards10 mm
— downwards10 mm
— at the side0 mm
for grounded parts
— forwards10 mm
— upwards10 mm
— at the side6 mm
— downwards10 mm
for live parts
— forwards10 mm
— upwards10 mm
— downwards10 mm
— at the side6 mm
Connections/Terminals
Type of electrical connection
for main current circuitscrew-type terminals
for auxiliary and control current circuitscrew-type terminals
Type of connectable conductor cross-sections
for main contacts
— single or multi-stranded2x (1 ... 35 mm²), 1x (1 ... 50 mm²)
— finely stranded with core end processing2x (1 ... 25 mm²), 1x (1 ... 35 mm²)
at AWG conductors for main contacts2x (18 ... 2), 1x (18 ... 1)
Connectable conductor cross-section for main contacts
finely stranded with core end processing1 ... 35 mm²
Connectable conductor cross-section for auxiliary contacts
single or multi-stranded0.5 ... 2.5 mm²
finely stranded with core end processing0.5 ... 2.5 mm²
Type of connectable conductor cross-sections
for auxiliary contacts
— single or multi-stranded2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²)
— finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
at AWG conductors for auxiliary contacts2x (20 ... 16), 2x (18 ... 14)
AWG number as coded connectable conductor cross section
for main contacts18 ... 1
for auxiliary contacts20 ... 14
Safety related data
B10 value
with high demand rate acc. to SN 319201 000 000
Proportion of dangerous failures
with low demand rate acc. to SN 3192040 %
with high demand rate acc. to SN 3192073 %
Failure rate [FIT]
with low demand rate acc. to SN 31920100 FIT
Product function
Mirror contact acc. to IEC 60947-4-1Yes
positively driven operation acc. to IEC 60947-5-1No
T1 value for proof test interval or service life acc. to IEC 6150820 y
Protection against electrical shockfinger-safe when touched vertically from front acc. to IEC 60529

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