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Siemens 3RT2637-1NB35

capacitor contactor, AC-6b 75 kVAr, / 400 V, 3-pole, 20-33 V AC/DC, 50/60 Hz, with integrated varistor, auxiliary contacts: 2 NC, screw terminal, size: S2

SiemensMFR # 3RT2637-1NB35SKU # CEY-8EF3B0392C90

product brand nameSIRIUS

product designationcapacitor contactors

product type designation3RT26

size of contactorS2

product extension auxiliary switchYes

at AC in hot operating state per pole3.8 W

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About This Product

capacitor contactor, AC-6b 75 kVAr, / 400 V, 3-pole, 20-33 V AC/DC, 50/60 Hz, with integrated varistor, auxiliary contacts: 2 NC, screw terminal, size: S2

Siemens 3RT2637-1NB35

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
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Specifications

product brand nameSIRIUS

product designationcapacitor contactors

product type designation3RT26

General technical data

size of contactorS2

product extension auxiliary switchYes

at AC in hot operating state per pole3.8 W

without load current share typical2.4 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 AC6.8 g / 5 ms, 4 g / 10 ms

at DC6,8 g / 5 ms, 4 g / 10 ms

at AC10.6 g / 5 ms, 6.2 g / 10 ms

of the contactor with added auxiliary switch block typical3 000 000

electrical endurance (operating cycles)150 000

reference code according to IEC 81346-2Q

Substance Prohibitance (day/month/year)05/01/2014

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

Net Weight1.054 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

operational current at AC-6b at 690 V at ambient temperature 60 °C rated value108 A

at 230 V at 50/60 Hz at ambient temperature 60 °C rated value14 ... 43 kvar

at 400 V at 50/60 Hz at ambient temperature 60 °C rated value25 ... 75 kvar

at 500 V at 50/60 Hz at ambient temperature 60 °C rated value31 ... 94 kvar

at 690 V at 50/60 Hz at ambient temperature 60 °C rated value43 ... 129 kvar

at AC500 1/h

at DC500 1/h

at 230 V maximum100 1/h

at 240 V maximum100 1/h

at 400 V maximum80 1/h

at 480 V maximum50 1/h

at 500 V maximum45 1/h

at 600 V maximum32 1/h

at 690 V maximum25 1/h

Control circuit/ Control

type of voltageAC/DC

type of voltage of the control supply voltageAC/DC

at 50 Hz rated value20 ... 33 V

at 60 Hz rated value20 ... 33 V

1 rated value50 Hz

2 rated value60 Hz

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

inrush current peak30 A

duration of inrush current peak30 µs

pickup current mean value6.5 A

pickup current peak12 A

duration of pickup current230 ms

holding current mean value105 mA

apparent pick-up power of magnet coil at AC110 V·A

inductive power factor with closing power of the coil0.95

apparent holding power of magnet coil at AC2.5 V·A

inductive power factor with the holding power of the coil0.95

closing power of magnet coil at DC70 W

holding power of magnet coil at DC1.5 W

at AC30 ... 110 ms

at DC30 ... 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

number of NC contacts for auxiliary contacts2

attachable1

instantaneous contact2

number of NO contacts for auxiliary contacts0

attachable1

instantaneous contact0

operational current of auxiliary contacts at AC-12 maximum10 A

at 230 V6 A

at 400 V3 A

at 690 V0 A

at 24 V6 A

at 60 V2 A

at 110 V1 A

at 125 V0.9 A

at 220 V0.3 A

contact reliability of auxiliary contacts0.00000001

UL/CSA ratings

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

for short-circuit protection of the main circuit with type of coordination 1 requiredgG: 200 A (690 V, 50 kA)

for short-circuit protection of the auxiliary switch requiredgG: 10 A (690 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 methodscrew and snap-on mounting onto 35 mm DIN rail according to DIN EN 50022

height114 mm

width65 mm

depth130 mm

with side-by-side mounting at the side10 mm

for grounded parts at the side10 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

solid2x (1 ... 16 mm²)

stranded2x (10 ... 35 mm²), 1x (10 ... 50 mm²)

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

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

— solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²

— solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 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), 2x 12

at 40 °C1x 50 mm²

at 60 °C2x 35 mm²

AWG number as coded connectable conductor cross section for main contacts18 ... 0

Safety related data

mirror contact according to IEC 60947-4-1No

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

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 manufacturing2.47 kg

global warming potential [CO2 eq] / during operation104 kg

global warming potential [CO2 eq] / after end of life-0.226 kg

global warming potential [CO2 eq] / total106 kg

Accessories 15

Genuine accessories that can be used with the Siemens 3RT2637-1NB35 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
3RH2921-1DA20	Aksesuar · Auxiliary switch · auxiliary switches
3RH2921-1DA11	Aksesuar · Auxiliary switch · auxiliary switches
3RT2936-1ER00	Aksesuar · Surge suppressor · diode assemblies
3RH2921-2DE11	Aksesuar · Auxiliary switch · auxiliary switches
3RT2926-4RB11	Aksesuar · Coil connection modules · coil connection modules
3RT2926-4RA11	Aksesuar · Coil connection modules · coil connection modules
3RT2936-1ES00	Aksesuar · Surge suppressor · diode assemblies
3RT2926-1QT00	Aksesuar · LED modules · LED display indicator modules
3RT2926-4RC11	Aksesuar · Coil connection modules · coil connection modules
3RV2935-5A	Aksesuar · Plugs, adapters and terminals · infeed terminals
3RH2921-1DA02	Aksesuar · Auxiliary switch · auxiliary switches
3RH2921-2DA11	Aksesuar · Auxiliary switch · auxiliary switches
3RH2921-2DA02	Aksesuar · Auxiliary switch · auxiliary switches
3RH2921-2DA20	Aksesuar · Auxiliary switch · auxiliary switches
3RT2936-1CB00	Aksesuar · Surge suppressor · RC elements