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Siemens 3RA2444-8XF32-1AC2

Contactor assembly for star-delta (wye-delta) start AC-3, 75 kW/400 V 24 V AC/50/60 Hz Size S3, screw terminal electrical and mechanical interlock 3 NO+3 NC

SiemensMFR # 3RA2444-8XF32-1AC2SKU # YLSKD7YFOB0VI7X

product brand nameSIRIUS

product type designation3RA24

1 of the supplied contactor3RT2045-1AC20

2 of the supplied contactor3RT2045-1AC20

3 of the supplied contactor3RT2035-1AC20

of the supplied RS assembly kit3RA2943-2C

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About This Product

Contactor assembly for star-delta (wye-delta) start AC-3, 75 kW/400 V 24 V AC/50/60 Hz Size S3, screw terminal electrical and mechanical interlock 3 NO+3 NC

Siemens 3RA2444-8XF32-1AC2

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
Quotation and lead time tailored to your request

Specifications

product brand nameSIRIUS

product designationContactor assembly for star-delta (wye-delta) start

product type designation3RA24

1 of the supplied contactor3RT2045-1AC20

2 of the supplied contactor3RT2045-1AC20

3 of the supplied contactor3RT2035-1AC20

of the supplied RS assembly kit3RA2943-2C

of the supplied function module for wye-delta circuits3RA2816-0EW20

General technical data

size of contactorS3

product extension auxiliary switchNo

at AC6.7 g / 5 ms, 4.0 g / 10 ms

at AC10.6 g / 5 ms, 6.3 g / 10 ms

of contactor typical10 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)03/01/2017

SVHC substance name2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-10-5 Melamine CAS-No. 108-78-1 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol CAS-No. 119-47-1

Net Weight4.725 kg

Ambient conditions

installation altitude at height above sea level maximum2 000 m

during operation-25 ... +60 °C

during storage-55 ... +80 °C

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 400 V rated value115 A

— at 400 V rated value55 kW

— at 690 V rated value90 kW

at AC-3 maximum1 000 1/h

Control circuit/ Control

type of voltage of the control supply voltageAC

at 50 Hz rated value24 V

at 60 Hz rated value24 V

at 50 Hz0.8 ... 1.1

at 60 Hz0.85 ... 1.1

at 50 Hz698 V·A

at 60 Hz594 V·A

at 50 Hz0.62

at 60 Hz0.55

at 50 Hz52 V·A

at 60 Hz38 V·A

at 50 Hz0.35

at 60 Hz0.41

Auxiliary circuit

instantaneous contact3

UL/CSA ratings

contact rating of auxiliary contacts according to ULA600 / Q600

Short-circuit protection

— with type of coordination 1 requiredgG NH 3NA, DIAZED 5SB, NEOZED 5SE: 250 A

— with type of coordination 2 requiredgG NH 3NA, DIAZED 5SB, NEOZED 5SE: 160 A

for short-circuit protection of the auxiliary switch requiredfuse gG: 10 A

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

height180 mm

width220 mm

depth244 mm

— forwards10 mm

— backwards0 mm

— upwards10 mm

— downwards10 mm

— at the side10 mm

— forwards10 mm

— backwards0 mm

— upwards10 mm

— at the side10 mm

— downwards10 mm

— forwards10 mm

— backwards0 mm

— upwards10 mm

— downwards10 mm

— 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

solid or stranded2x (2.5 ... 16 mm²), 2x (10 ... 50 mm²), 1x (10 ... 70 mm²)

finely stranded with core end processing2x (2.5 ... 35 mm²), 1x (2.5 ... 50 mm²)

finely stranded without core end processing2x (10 ... 35 mm²), 1x (10 ... 50 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)

Safety related data

product function suitable for safety functionYes

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

Communication/ Protocol

product function bus communicationNo

protocol is supported AS-Interface protocolNo

product function control circuit interface with IO linkNo

Accessories 7

Genuine accessories that can be used with the Siemens 3RA2444-8XF32-1AC2 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
3RA2943-3L	Aksesuar · Plugs, adapters and terminals · infeed terminals
3RH2921-1XA11-0MS0	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1DA20	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1DA11	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1DA02	Aksesuar · Auxiliary switch · auxiliary switches
3RH2921-1DA20	Aksesuar · Auxiliary switch · auxiliary switches
3RH2921-1DA02	Aksesuar · Auxiliary switch · auxiliary switches