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SIEMENS 3RA2444-8XH32-1NB3 3RA2444-8XH32-1NB3 SIEMENS Contactor assembly for star-delta (wye-delta) start with AS-i, AC-3, 75 kW/400 V .. View larger
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3RA2444-8XH32-1NB3 SIEMENS Contactor assembly for star-delta (wye-delta) start with AS-i, AC-3, 75 kW/400 V ..

3RA2444-8XH32-1NB3

24448

SIEMENS

1 Pcs.

Contactor assembly for star-delta (wye-delta) start with AS-i, AC-3, 75 kW/400 V 20-33 V AC/DC Size S3, screw terminal electrical and mechanical interlock 3 NO+3 NC, integrated varistor STAR-DELTA WITH. ASSY. W. AS-I AC3:55KW/400V 20-33V AC/DC SIZE S3, SCREW TERMINALS ELEC. AND MECH. INTERLO. 3NO+3NC, INTEGRATED VARISTOR. Manufactured to order. Non-Cancelable Non-Returnable.

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Contactors for switching motors

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Technical data

Contactor assembly for star-delta (wye-delta) start with AS-i, AC-3, 75 kW/400 V 20-33 V AC/DC Size S3, screw terminal electrical and mechanical interlock 3 NO+3 NC, integrated varistor
product brand nameSIRIUS
product designationContactor assembly for star-delta (wye-delta) start
product type designation3RA24
manufacturer's article number
● 1 of the supplied contactor3RT2045-1NB30-0CC0
● 2 of the supplied contactor3RT2045-1NB30
● 3 of the supplied contactor3RT2035-1NB30
● of the supplied RS assembly kit3RA2943-2C
● of the supplied function module for communication3RA2712-1CA00
General technical data
size of contactorS3
product extension auxiliary switchNo
shock resistance at rectangular impulse
● at AC6.7 g / 5 ms, 4.0 g / 10 ms
● at DC6.7 g / 5 ms, 4.0 g / 10 ms
shock resistance with sine pulse
● at AC10.6 g / 5 ms, 6.3 g / 10 ms
● at DC10.6 g / 5 ms, 6.3 g / 10 ms
mechanical service life (switching cycles)
● 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 (Date)03/01/2017
Ambient conditions
installation altitude at height above sea level maximum2 000 m
ambient temperature
● 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 contacts0
number of NC contacts for main contacts0
operating voltage at AC-3 rated value maximum690 V
operational current at AC-3
● at 400 V rated value115 A
operating power
● at AC-3
— at 400 V rated value55 kW
— at 690 V rated value90 kW
operating frequency at AC-3 maximum1 000 1/h
Control circuit/ Control
type of voltage of the control supply voltageAC/DC
control supply voltage 1 at AC
● at 50 Hz20 ... 33 V
● at 60 Hz20 ... 33 V
control supply voltage 1
● at DC20 ... 33 V
design of the surge suppressorwith varistor
apparent pick-up power of magnet coil at AC
● at 50 Hz328 VA
● at 60 Hz328 VA
inductive power factor with closing power of the coil
● at 50 Hz0.95
● at 60 Hz0.95
apparent holding power of magnet coil at AC
● at 50 Hz8.2 VA
● at 60 Hz8.2 VA
inductive power factor with the holding power of the coil
● at 50 Hz0.95
● at 60 Hz0.95
closing power of magnet coil at DC154 W
holding power of magnet coil at DC5.6 W
Auxiliary circuit
number of NC contacts for auxiliary contacts
● instantaneous contact3
number of NO contacts for auxiliary contacts
● instantaneous contact3
contact reliability of auxiliary contacts< 1 error per 100 million operating cycles
UL/CSA ratings
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 NH 3NA, DIAZED 5SB, NEOZED 5SE: 250 A
— with type of assignment 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 standard mounting rail
height180 mm
width220 mm
depth244 mm
required spacing
● with side-by-side mounting
— forwards10 mm
— backwards0 mm
— upwards10 mm
— downwards10 mm
— at the side10 mm
● for grounded parts
— forwards10 mm
— backwards0 mm
— upwards10 mm
— at the side10 mm
— downwards10 mm
● for live parts
— forwards10 mm
— backwards0 mm
— upwards10 mm
— downwards10 mm
— at the side10 mm
Connections/ Terminals
type of electrical connection
● for main current circuitscrew-type terminals
● for auxiliary and control circuitscrew-type terminals
● at contactor for auxiliary contactsScrew-type terminals
● of magnet coilScrew-type terminals
type of connectable conductor cross-sections
● for main contacts
— 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)
● at AWG cables for main contacts2x (10 ... 1/0), 1x (10 ... 2/0)
type of connectable conductor cross-sections
● for auxiliary contacts
— 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)
● at AWG cables for auxiliary contacts2x (20 ... 16), 2x (18 ... 14)
Safety related data
B10 value with high demand rate according to SN 319201 000 000
proportion of dangerous failures
● with low demand rate according to SN 3192040 %
● with high demand rate according to SN 3192073 %
failure rate [FIT] with low demand rate according to SN 31920100 FIT
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 protocolYes
product function control circuit interface with IO linkNo
Certificates/ approvals

Downloads and manuals

General Product ApprovalDeclaration of ConformityotherDangerous Good

Confirmation

EAC

UK Declaration of Conformity

EC/EU-Declaration of Conformity

Confirmation

Transport Information

Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
Industry Mall (Online ordering system)
Cax online generator
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
Characteristic: Tripping characteristics, I²t, Let-through current
Further characteristics (e.g. electrical endurance, switching frequency)
last modified:12/1/2021
Date
5/6/2022		Subject to change without notice
© Copyright Siemens 2022


Additional data

Product
Article Number (Market Facing Number)3RA2444-8XH32-1NB3
Product DescriptionContactor assembly for star-delta (wye-delta) start with AS-i, AC-3, 75 kW/400 V 20-33 V AC/DC Size S3, screw terminal electrical and mechanical interlock 3 NO+3 NC, integrated varistor
Product familySIRIUS 3RA24 contactor assemblies for star-delta (wye-delta) starting, up to 90 kW
Product Lifecycle (PLM)PM300:Active Product
Price data
Region Specific PriceGroup / Headquarter Price Group41B / 41B
Surcharge for Raw MaterialsNone
Metal FactorLCO-----
Delivery information
Export Control RegulationsAL : N / ECCN : N
Standard lead time ex-worksOn request
Net Weight (kg)6,182 Kg
Packaging Dimension249,00 x 330,00 x 265,00
Package size unit of measureMM
Quantity Unit1 Piece
Packaging Quantity1
Additional Product Information
EAN4047621031286
UPCNot available
Commodity Code85364900
LKZ_FDB/ CatalogIDCC-IC10
Product Group5339
Group CodeR711
Country of originGermany
Compliance with the substance restrictions according to RoHS directiveSince: 01.03.2017
Product classC: products manufactured / produced to order, which cannot be reused or re-utilised or be returned against credit.
WEEE (2012/19/EU) Take-Back ObligationYes
REACH Art. 33 Duty to inform according to the current list of candidates

Information obligation imposed by Article 33, REACH Regulation: This product includes one or several articles in which the following substance of the candidate list is contained in concentrations higher than 0,1% weight by weight (w/w):

Lead

Based on the information currently available, we assume that these substances do not pose any risk if the articles are used as intended (including disposal). Please also refer to product documentation.

Information obligation imposed by Article 33, REACH Regulation: This product includes one or several articles in which the following substance of the candidate list is contained in concentrations higher than 0,1% weight by weight (w/w):

Lead monoxide (lead oxide)

Based on the information currently available, we assume that these substances do not pose any risk if the articles are used as intended (including disposal). Please also refer to product documentation.

Classifications
VersionClassification
eClass627-37-10-09
eClass7.127-37-10-09
eClass827-37-10-09
eClass927-37-10-09
eClass9.127-37-10-09
ETIM5EC000010
ETIM6EC000010
ETIM7EC000010
ETIM8EC000010
IDEA44755
UNSPSC1539-12-15-29

ETIM data

ETIM: EC000010 - Combination of contactors

Value Unit
Degree of protection (NEMA) (EF011959) -
Function (EF000030) Star-delta contactor
Rated control supply voltage Us at AC 50HZ (EF003978) ['20', '33']V
Rated control supply voltage Us at AC 60HZ (EF003979) ['20', '33']V
Rated control supply voltage Us at DC (EF003980) ['20', '33']V
Voltage type for actuating (EF008242) AC/DC
Rated operation current Ie at AC-3, 400 V (EF001392) 115A
Rated operation power at AC-3, 400 V (EF001364) 55.0kW
Type of electrical connection of main circuit (EF006819) Screw connection
Degree of protection (IP) (EF005474) IP20
Rated operation power NEMA (EF011960) -kW



Product Datasheet

Electrica Online Product Datasheet Prepared from the current product description, catalog data and structured technical attributes.