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Siemens 3RT2037-1NB34-3MA0

power contactor, AC-3e/AC-3, 65 A, 30 kW / 400 V, 3-pole, 20-33 V AC/DC, 50/60 Hz, with integrated varistor, auxiliary contacts: 2 NO + 2 NC, screw terminal, size: S2, captive auxiliary switch

SiemensMFR # 3RT2037-1NB34-3MA0SKU # CEY-8EF3B0393782

product brand nameSIRIUS

product designationPower contactor

product type designation3RT2

size of contactorS2

function module for communicationNo

auxiliary switchNo

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About This Product

power contactor, AC-3e/AC-3, 65 A, 30 kW / 400 V, 3-pole, 20-33 V AC/DC, 50/60 Hz, with integrated varistor, auxiliary contacts: 2 NO + 2 NC, screw terminal, size: S2, captive auxiliary switch

Siemens 3RT2037-1NB34-3MA0

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Product selection and compatibility support from our technical team
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Specifications

product brand nameSIRIUS

product designationPower contactor

product type designation3RT2

General technical data

size of contactorS2

function module for communicationNo

auxiliary switchNo

at AC in hot operating state11.4 W

at AC in hot operating state per pole3.8 W

without load current share typical1 W

type of calculation of power loss current-dependentquadratic

of main circuit with degree of pollution 3 rated value690 V

of auxiliary circuit with degree of pollution 3 rated value690 V

of main circuit rated value6 kV

of auxiliary circuit rated value6 kV

maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1400 V

at AC6.1 g / 5 ms, 3.7 g / 10 ms

at DC6.1 g / 5 ms, 3.7 g / 10 ms

at AC9.6 g / 5 ms, 5.8 g / 10 ms

at DC9.6 g / 5 ms, 5.8 g / 10 ms

of contactor typical10 000 000

of the contactor with added electronically optimized auxiliary switch block typical5 000 000

of the contactor with added auxiliary switch block typical10 000 000

reference code according to IEC 81346-2Q

Substance Prohibitance (day/month/year)10/01/2014

SVHC substance nameLead CAS-No. 7439-92-1 Lead monoxide (lead oxide) CAS-No. 1317-36-8 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-10-5 Melamine CAS-No. 108-78-1 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol (UV-329) CAS-No. 3147-75-9

Net Weight1.186 kg

Ambient conditions

installation altitude at height above sea level maximum2 000 m

during operation-25 ... +60 °C

during storage-55 ... +80 °C

relative humidity minimum10 %

relative humidity at 55 °C according to IEC 60068-2-30 maximum95 %

Main circuit

number of poles for main current circuit3

number of NO contacts for main contacts3

number of NC contacts for main contacts0

at AC-3 rated value maximum690 V

at AC-3e rated value maximum690 V

at AC-1 at 400 V at ambient temperature 40 °C rated value80 A

— up to 690 V at ambient temperature 40 °C rated value80 A

— up to 690 V at ambient temperature 60 °C rated value70 A

— at 400 V rated value65 A

— at 500 V rated value65 A

— at 690 V rated value47 A

— at 400 V rated value65 A

— at 500 V rated value65 A

— at 690 V rated value47 A

at AC-4 at 400 V rated value55 A

at AC-5a up to 690 V rated value70.4 A

at AC-5b up to 400 V rated value53.9 A

— up to 230 V for current peak value n=20 rated value56.9 A

— up to 400 V for current peak value n=20 rated value56.9 A

— up to 500 V for current peak value n=20 rated value56.9 A

— up to 690 V for current peak value n=20 rated value47 A

— up to 230 V for current peak value n=30 rated value38 A

— up to 400 V for current peak value n=30 rated value38 A

— up to 500 V for current peak value n=30 rated value38 A

— up to 690 V for current peak value n=30 rated value38 A

minimum cross-section in main circuit at maximum AC-1 rated value25 mm²

at 400 V rated value28 A

at 690 V rated value22 A

— at 24 V rated value55 A

— at 60 V rated value23 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

— at 24 V rated value55 A

— at 60 V rated value45 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

— at 24 V rated value55 A

— at 60 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

— at 24 V rated value35 A

— at 60 V rated value6 A

— at 220 V rated value1 A

— at 440 V rated value0.1 A

— at 600 V rated value0.06 A

— at 24 V rated value55 A

— at 60 V rated value45 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

— at 24 V rated value55 A

— at 60 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

at AC-2 at 400 V rated value30 kW

— at 230 V rated value18.5 kW

— at 400 V rated value30 kW

— at 500 V rated value37 kW

— at 690 V rated value37 kW

— at 230 V rated value18.5 kW

— at 400 V rated value30 kW

— at 500 V rated value37 kW

— at 690 V rated value37 kW

at 400 V rated value14.7 kW

at 690 V rated value20 kW

up to 230 V for current peak value n=20 rated value22.6 kVA

up to 400 V for current peak value n=20 rated value39.4 kVA

up to 500 V for current peak value n=20 rated value49.2 kVA

up to 690 V for current peak value n=20 rated value56.1 kVA

up to 230 V for current peak value n=30 rated value15.1 kVA

up to 400 V for current peak value n=30 rated value26.2 kVA

up to 500 V for current peak value n=30 rated value32.8 kVA

up to 690 V for current peak value n=30 rated value45.3 kVA

limited to 1 s switching at zero current maximum1 055 A; Use minimum cross-section acc. to AC-1 rated value

limited to 5 s switching at zero current maximum730 A; Use minimum cross-section acc. to AC-1 rated value

limited to 10 s switching at zero current maximum520 A; Use minimum cross-section acc. to AC-1 rated value

limited to 30 s switching at zero current maximum336 A; Use minimum cross-section acc. to AC-1 rated value

limited to 60 s switching at zero current maximum272 A; Use minimum cross-section acc. to AC-1 rated value

at AC1 500 1/h

at DC1 500 1/h

at AC-1 maximum800 1/h

at AC-2 maximum400 1/h

at AC-3 maximum700 1/h

— maximum700 1/h

at AC-4 maximum200 1/h

Control circuit/ Control

type of voltage of the control supply voltageAC/DC

at 50 Hz rated value20 ... 33 V

at 60 Hz rated value20 ... 33 V

control supply voltage at DC rated value20 ... 33 V

initial value0.8

full-scale value1.1

at 50 Hz0.8 ... 1.1

at 60 Hz0.8 ... 1.1

design of the surge suppressorwith varistor

inrush current peak3 A

duration of inrush current peak50 µs

pickup current mean value1 A

pickup current peak2.6 A

duration of pickup current230 ms

holding current mean value40 mA

at 50 Hz40 V·A

at 60 Hz40 V·A

at minimum rated control supply voltage at DC2 V·A

at maximum rated control supply voltage at DC2 V·A

— at 50 Hz2 V·A

— at 60 Hz2 V·A

— at 50 Hz2 V·A

— at 60 Hz2 V·A

at 50 Hz2 V·A

at 60 Hz2 V·A

at 50 Hz0.95

at 60 Hz0.95

closing power of magnet coil at DC23 W

holding power of magnet coil at DC1 W

at AC35 ... 110 ms

at DC35 ... 110 ms

at AC30 ... 55 ms

at DC30 ... 55 ms

arcing time10 ... 20 ms

control version of the switch operating mechanismStandard A1 - A2

Auxiliary circuit

design of the auxiliary switchon the front, non-detachable

number of NC contacts for auxiliary contacts instantaneous contact2

number of NO contacts for auxiliary contacts instantaneous contact2

operational current at AC-12 maximum10 A

at 230 V rated value6 A

at 400 V rated value3 A

at 500 V rated value2 A

at 690 V rated value1 A

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

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

at 480 V rated value65 A

at 600 V rated value52 A

— at 110/120 V rated value5 hp

— at 230 V rated value10 hp

— at 200/208 V rated value20 hp

— at 220/230 V rated value20 hp

— at 460/480 V rated value50 hp

— at 575/600 V rated value50 hp

contact rating of auxiliary contacts according to ULA600 / Q600

Short-circuit protection

design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 VC characteristic: 10 A; 0.4 kA

— 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 coordination 2 requiredgG: 125 A (690 V, 100 kA), aM: 63 A (690 V, 100 kA), BS88: 100 A (415 V, 80 kA)

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

fastening method side-by-side mountingYes

fastening methodscrew and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715

height114 mm

width55 mm

depth174 mm

— forwards10 mm

— upwards10 mm

— downwards10 mm

— at the side0 mm

— forwards10 mm

— upwards10 mm

— at the side6 mm

— downwards10 mm

— forwards10 mm

— upwards10 mm

— downwards10 mm

— at the side6 mm

Connections/ Terminals

for main current circuitscrew-type terminals

for auxiliary and control circuitscrew-type terminals

at contactor for auxiliary contactsScrew-type terminals

of magnet coilscrew terminal

— solid or stranded2x (1 ... 35 mm²), 1x (1 ... 50 mm²)

— finely stranded with core end processing2x (1 ... 25 mm²), 1x (1 ... 35 mm²)

for AWG cables for main contacts2x (18 ... 2), 1x (18 ... 1)

finely stranded with core end processing1 ... 35 mm²

solid or stranded0.5 ... 2.5 mm²

finely stranded with core end processing0.5 ... 2.5 mm²

— solid or 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)

for AWG cables for auxiliary contacts2x (20 ... 16), 2x (18 ... 14)

AWG number as coded connectable conductor cross section for main contacts18 ... 1

AWG number as coded connectable conductor cross section for auxiliary contacts20 ... 14

Safety related data

mirror contact according to IEC 60947-4-1Yes

positively driven operation according to IEC 60947-5-1No

suitable for safety functionYes

suitability for use safety-related switching OFFYes

service life maximum20 a

test wear-related service life necessaryYes

with low demand rate according to SN 3192040 %

with high demand rate according to SN 3192073 %

B10 value with high demand rate according to SN 319201 000 000

failure rate [FIT] with low demand rate according to SN 31920100 FIT

ISO 13849

device type according to ISO 13849-13

overdimensioning according to ISO 13849-2 necessaryYes

IEC 61508

safety device type according to IEC 61508-2Type A

Electrical Safety

protection class IP on the front according to IEC 60529IP20

touch protection on the front according to IEC 60529finger-safe, for vertical contact from the front

Approvals Certificates

global warming potential [CO2 eq] / during manufacturing5.88 kg

global warming potential [CO2 eq] / during operation102 kg

global warming potential [CO2 eq] / after end of life-0.988 kg

global warming potential [CO2 eq] / total107 kg

Accessories 96

Genuine accessories that can be used with the Siemens 3RT2037-1NB34-3MA0 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.

Part no	Description	Compatible motors
3RH2911-1HA22	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1FA22	Aksesuar · Auxiliary switch · auxiliary switches
3RT2936-4EA2	Aksesuar · Terminal covers · terminal covers
3RH2911-1HA11	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1FA40	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1HA31	Aksesuar · Auxiliary switch · auxiliary switches
3RH2921-1DA11	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1XA22-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1LA11	Aksesuar · Auxiliary switch · auxiliary switches
3RA2831-1DH10	Aksesuar
3RH2911-1XA31-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RT1936-4BA31	Aksesuar · Wiring modules, connectors and kits · coil connectors
3RA2934-2B	Aksesuar · Mechanical interlocks · mechanical interlocks
3RH2911-1NF11	Aksesuar · Auxiliary switch · auxiliary switches
3RT2916-4MA10	Aksesuar · Sealing covers · sealing covers
3RV2935-5E	Aksesuar · Plugs, adapters and terminals · infeed terminals
3RT2926-4RA11	Aksesuar · Coil connection modules · coil connection modules
3RA2933-2AA1	Aksesuar · Wiring modules, connectors and kits · wiring kits
3RH2914-1GP11	Aksesuar · Coupling links · coupling links
3RA2936-1A	Aksesuar · Wiring modules, connectors and kits · link modules
3RT2936-4MC00	Aksesuar · Miscellaneous accessories · Control Kits
3RA1933-3E	Aksesuar · Wiring modules, connectors and kits · link modules
3RA2932-2F	Aksesuar · Base plates · base plates
3RH2911-1HA01	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1HA10	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1AA10	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1XA40-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1AA01	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1HA13	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1HA02	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1HA12	Aksesuar · Auxiliary switch · auxiliary switches
3RH2921-1DA20	Aksesuar · Auxiliary switch · auxiliary switches
3RT2900-1SB10	Aksesuar · Miscellaneous accessories · labeling plates
3RH2921-1DA02	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1BA10	Aksesuar · Auxiliary switch · auxiliary switches
3RT2936-1ER00	Aksesuar · Surge suppressor · diode assemblies
3RH2911-1LA20	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1MA11	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1BA01	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1HA20	Aksesuar · Auxiliary switch · auxiliary switches
3RV2935-5A	Aksesuar · Plugs, adapters and terminals · infeed terminals
3RT2936-1CB00	Aksesuar · Surge suppressor · RC elements
3RT2900-1SB60	Aksesuar · Miscellaneous accessories · labeling plates
3RH2911-1HA21	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1FC22	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1NE22	Aksesuar · Auxiliary switch · auxiliary switches
3RA2816-0EW20	Aksesuar
3RA2813-1FW10	Aksesuar
3RH2911-1MA20	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1FB22	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1HA03	Aksesuar · Auxiliary switch · auxiliary switches
3RA2933-2BB1	Aksesuar · Wiring modules, connectors and kits · wiring kits
3RH2911-1FB11	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1NF02	Aksesuar · Auxiliary switch · auxiliary switches
3RT1936-4BB31	Aksesuar · Wiring modules, connectors and kits · coil connectors
3RA2815-1FW10	Aksesuar
3RT2926-4RB11	Aksesuar · Coil connection modules · coil connection modules
3RH2911-1HA30	Aksesuar · Auxiliary switch · auxiliary switches
3RA1933-3D	Aksesuar · Wiring modules, connectors and kits · link modules
3RA2933-2C	Aksesuar · Wiring modules, connectors and kits · wiring kits
3RT2926-1QT00	Aksesuar · LED modules · LED display indicator modules
3RA2813-1AW10	Aksesuar
3RH2911-1FC30	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1NF20	Aksesuar · Auxiliary switch · auxiliary switches
3RA2932-2C	Aksesuar · Mechanical interlocks · mechanical connectors
3RT2936-1ES00	Aksesuar · Surge suppressor · diode assemblies
3RA2815-1AW10	Aksesuar
3RA2814-1FW10	Aksesuar
3RT2916-2BL01	Aksesuar · OFF-delay device · OFF-delay device
3RH2911-1MA02	Aksesuar · Auxiliary switch · auxiliary switches
3RA2814-1AW10	Aksesuar
3RT2916-2BE01	Aksesuar · OFF-delay device · OFF-delay device
3RT2926-4RC11	Aksesuar · Coil connection modules · coil connection modules
3RA2831-1DG10	Aksesuar
3RA2832-1DH10	Aksesuar
3RT2916-2BK01	Aksesuar · OFF-delay device · OFF-delay device
3RA2832-1DG10	Aksesuar
3RT2900-1SB20	Aksesuar · Miscellaneous accessories · labeling plates
3RR2243-3FW30	Aksesuar
3RR2443-3AA40	Aksesuar
3RH2911-1XA04-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RR2243-1FW30	Aksesuar
3RR2143-3AW30	Aksesuar
3RR2143-1AW30	Aksesuar
3RR2443-1AA40	Aksesuar
3RR2243-1FA30	Aksesuar
3RR2143-3AA30	Aksesuar
3RR2143-1AA30	Aksesuar
3RH2916-1XA22-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1YA21-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1FA22-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1FA04	Aksesuar · Auxiliary switch · auxiliary switches
3RH2916-1FA22	Aksesuar · Auxiliary switch · auxiliary switches
3RR2243-3FA30	Aksesuar
3RT2934-5NB31	Yedek parça · Solenoid coils · solenoid coils
3RT2937-6A	Yedek parça · Contact pieces and vacuum interrupters · contacts