> SIEMENS>CONTROL AND CONTACTORS>Contactors for switching motors>3TF6933-8DG4 SIEMENS Contactor, Size 14, 3-pole, AC-3, 450 kW, 400/380 V (1000 V) Auxiliary switch 33 (3 NO+..
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3TF6933-8DG4 SIEMENS Contactor, Size 14, 3-pole, AC-3, 450 kW, 400/380 V (1000 V) Auxiliary switch 33 (3 NO+.. View larger
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3TF6933-8DG4 SIEMENS Contactor, Size 14, 3-pole, AC-3, 450 kW, 400/380 V (1000 V) Auxiliary switch 33 (3 NO+..

3TF6933-8DG4

SIEMENS

Contactor, Size 14, 3-pole, AC-3, 450 kW, 400/380 V (1000 V) Auxiliary switch 33 (3 NO+3 NC) with reversing contactor 3TC4417-4A and series resistor DC economy circuit 125 V DC

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CONTROL AND CONTACTORS > Contactors for switching motors

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Technical data

Contactor, Size 14, 3-pole, AC-3, 450 kW, 400/380 V (1000 V) Auxiliary switch 33 (3 NO+3 NC) with reversing contactor 3TC4417-4A and series resistor DC economy circuit 125 V DC
product designationVacuum contactor
product type designation3TF6
General technical data
size of contactor14
product extension
● function module for communicationNo
● auxiliary switchNo
insulation voltage
● of main circuit with degree of pollution 3 rated value1 000 V
● of auxiliary circuit with degree of pollution 3 rated value690 V
surge voltage resistance
● of main circuit rated value8 kV
● of auxiliary circuit rated value6 kV
maximum permissible voltage for safe isolation in networks with grounded star point
● between auxiliary and auxiliary circuit300 V
● between main and auxiliary circuit500 V
shock resistance at rectangular impulse
● at DC8.6g / 5 ms, 5.1g / 10 ms
shock resistance with sine pulse
● at DC13.5 g / 5 ms, 7.8 g / 10 ms
mechanical service life (switching cycles)
● of contactor typical5 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 ... +55 °C
● during storage-55 ... +80 °C
relative humidity minimum10 %
relative humidity during operation10 ... 95 %
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
type of voltage for main current circuitAC
operating voltage
● at AC-3 rated value maximum1 000 V
operational current
● at AC-1
— up to 690 V at ambient temperature 40 °C rated value910 A
— up to 690 V at ambient temperature 55 °C rated value850 A
— up to 1000 V at ambient temperature 55 °C rated value800 A
● at AC-3
— at 400 V rated value820 A
— at 500 V rated value820 A
— at 690 V rated value820 A
— at 1000 V rated value580 A
● at AC-4 at 400 V rated value690 A
● at AC-6a
— up to 500 V for current peak value n=20 rated value675 A
— up to 690 V for current peak value n=20 rated value675 A
— up to 1000 V for current peak value n=20 rated value580 A
● at AC-6a
— up to 400 V for current peak value n=30 rated value450 A
— up to 500 V for current peak value n=30 rated value450 A
— up to 690 V for current peak value n=30 rated value450 A
— up to 1000 V for current peak value n=30 rated value450 A
connectable conductor cross-section in main circuit at AC-1
● at 40 °C minimum permissible600 mm²
operational current for approx. 200000 operating cycles at AC-4
● at 400 V rated value360 A
● at 690 V rated value360 A
operating power
● at AC-3
— at 230 V rated value260 kW
— at 400 V rated value450 kW
— at 690 V rated value800 kW
— at 1000 V rated value800 kW
operating apparent power at AC-6a
● up to 400 V for current peak value n=20 rated value445 kVA
● up to 690 V for current peak value n=20 rated value771 kVA
● up to 1000 V for current peak value n=20 rated value1 003 kVA
operating apparent power at AC-6a
● up to 400 V for current peak value n=30 rated value297 kVA
● up to 690 V for current peak value n=30 rated value514 kVA
● up to 1000 V for current peak value n=30 rated value778 kVA
thermal short-time current limited to 10 s7 000 A
power loss [W] at AC-3 at 400 V for rated value of the operational current per conductor70 W
no-load switching frequency at AC1 000 1/h
operating frequency
● at AC-1 maximum700 1/h
● at AC-2 at AC-3 maximum200 1/h
Control circuit/ Control
type of voltage of the control supply voltageDC
control supply voltage at DC
● rated value125 V
operating range factor control supply voltage rated value of magnet coil at DC
● initial value0.8
● full-scale value1.1
closing power of magnet coil at DC960 W
holding power of magnet coil at DC20.6 W
closing delay
● at DC86 ... 280 ms
opening delay
● at DC19 ... 25 ms
arcing time10 ... 15 ms
control version of the switch operating mechanismStandard A1 - A2
Auxiliary circuit
number of NC contacts for auxiliary contacts
● attachable3
● instantaneous contact3
number of NO contacts for auxiliary contacts
● attachable3
● instantaneous contact3
operational current at AC-12 maximum10 A
operational current at AC-15
● at 230 V rated value5.6 A
● at 400 V rated value3.6 A
● at 500 V rated value2.5 A
● at 690 V rated value2.3 A
operational current at DC-12 at 440 V rated value0.33 A
operational current at DC-12
● at 24 V rated value10 A
● at 48 V rated value10 A
● at 110 V rated value3.2 A
● at 125 V rated value2.5 A
● at 220 V rated value0.9 A
● at 600 V rated value0.22 A
operational current at DC-13
● at 24 V rated value10 A
● at 48 V rated value5 A
● at 110 V rated value1.14 A
● at 125 V rated value0.98 A
● at 220 V rated value0.48 A
● at 600 V rated value0.07 A
contact reliability of auxiliary contactsone incorrect switching operation of 100 million switching operations (17 V, 5 mA)
UL/CSA ratings
full-load current (FLA) for 3-phase AC motor
● at 480 V rated value820 A
● at 600 V rated value820 A
yielded mechanical performance [hp]
● for 3-phase AC motor
— at 200/208 V rated value290 hp
— at 220/230 V rated value350 hp
— at 460/480 V rated value700 hp
— at 575/600 V rated value860 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: 1250 A (690 V, 100 kA)
— with type of assignment 2 requiredgG: 630 A (690 V, 50 kA), aM: 630 A (690 V, 50 kA), BS88: 630 A (690 V, 50 kA)
● for short-circuit protection of the auxiliary switch requiredfuse gG: 10 A
Installation/ mounting/ dimensions
mounting positionwith vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back
fastening methodscrew fixing
● side-by-side mountingYes
height295 mm
width230 mm
depth237 mm
required spacing
● with side-by-side mounting
— forwards20 mm
— upwards10 mm
— downwards10 mm
— at the side10 mm
● for grounded parts
— forwards20 mm
— upwards10 mm
— at the side10 mm
— downwards10 mm
● for live parts
— forwards20 mm
— upwards10 mm
— downwards10 mm
— at the side10 mm
Connections/ Terminals
type of electrical connection
● for main current circuitConnection bar
● for auxiliary and control circuitscrew-type terminals
● at contactor for auxiliary contactsScrew-type terminals
width of connection bar40 mm
thickness of connection bar6 mm
diameter of holes13.5 mm
number of holes1
type of connectable conductor cross-sections
● for main contacts
— stranded50 ... 240 mm²
— finely stranded with core end processing50 ... 240 mm²
● at AWG cables for main contacts2/0 ... 500 kcmil
connectable conductor cross-section for main contacts
● finely stranded with core end processing240 ... 50 mm²
connectable conductor cross-section for auxiliary contacts
● solid or stranded0.5 ... 2.5 mm²
● finely stranded with core end processing0.5 ... 2.5 mm²
type of connectable conductor cross-sections
● for auxiliary contacts
— solid2x (0.5 ... 1.0 mm²), 2x (1.0 ... 2.5 mm²)
— finely stranded with core end processing2x (0.5 ... 1.0 mm²), 2x (0.75 ... 2.5 mm²)
● at AWG cables for auxiliary contacts2x (18 ... 12)
AWG number as coded connectable conductor cross section
● for main contacts500
● for auxiliary contacts18 ... 12
Safety related data
product function
● mirror contact according to IEC 60947-4-1Yes; One NC contact each must be connected in series for the right and left auxiliary switch block respectively
● positively driven operation according to IEC 60947-5-1No
protection class IP on the front according to IEC 60529IP00
Certificates/ approvals

Downloads and manuals

General Product ApprovalFunctional Safety/Safety of MachineryDeclaration of Conformity

CSA

CCC

UL

EAC

Type Examination Certificate

UK Declaration of Conformity

Declaration of ConformityTest CertificatesMarine / Shipping

EC/EU-Declaration of Conformity

Type Test Certificates/Test Report

Miscellaneous

Special Test Certificate

BV / Bureau Veritas

PRS / Polski Rejestr Statkow

Marine / ShippingotherDangerous Good

RMRS / Russian Maritime Register

DNV-GL

Miscellaneous

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:7/2/2021
Date
5/14/2022		Subject to change without notice
© Copyright Siemens 2022


Additional data

Product
Article Number (Market Facing Number)3TF6933-8DG4
Product DescriptionContactor, Size 14, 3-pole, AC-3, 450 kW, 400/380 V (1000 V) Auxiliary switch 33 (3 NO+3 NC) with reversing contactor 3TC4417-4A and series resistor DC economy circuit 125 V DC
Product familySIRIUS 3RT12 and 3TF6 vacuum contactors
Product Lifecycle (PLM)PM300:Active Product
Price data
Region Specific PriceGroup / Headquarter Price Group41B / 41B
Surcharge for Raw MaterialsNone
Metal FactorL-P-----
Delivery information
Export Control RegulationsAL : N / ECCN : N
Standard lead time ex-worksOn request
Net Weight (kg)23,106 Kg
Packaging Dimension110,00 x 125,00 x 172,00
Package size unit of measureMM
Quantity Unit1 Piece
Packaging Quantity1
Additional Product Information
EAN4011209556386
UPCNot available
Commodity Code85364900
LKZ_FDB/ CatalogIDCC-IC10
Product Group5805
Group CodeR711
Country of originTurkey
Compliance with the substance restrictions according to RoHS directiveSince: 01.03.2017
Product classA: Standard product which is a stock item could be returned within the returns guidelines/period.
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.

Classifications
VersionClassification
eClass627-37-10-03
eClass7.127-37-10-03
eClass827-37-10-03
eClass927-37-10-03
eClass9.127-37-10-03
ETIM5EC000066
ETIM6EC000066
ETIM7EC000066
ETIM8EC000066
IDEA44755
UNSPSC1539-12-15-29

ETIM data

ETIM: EC000066 - Power contactor, AC switching

Value Unit
Rated operation power NEMA (EF011960) -kW
Rated operation current Ie at AC-1, 400 V (EF001393) -A
Rated control supply voltage Us at DC (EF003980) ['-', '125']V
Voltage type for actuating (EF008242) DC
Rated operation current Ie at AC-3, 400 V (EF001392) 820A
Rated operation power at AC-3, 400 V (EF001364) 450.0kW
Rated operation current Ie at AC-4, 400 V (EF008495) 360A
Rated operation power at AC-4, 400 V (EF008496) 191.0kW
Modular version (EF001126) true
Number of auxiliary contacts as normally open contact (EF001376) 3
Number of auxiliary contacts as normally closed contact (EF001377) 3
Type of electrical connection of main circuit (EF006819) Screw connection
Number of normally closed contacts as main contact (EF001375) 0
Number of main contacts as normally open contact (EF001374) 3
Rated control supply voltage Us at AC 50HZ (EF003978) -V
Rated control supply voltage Us at AC 60HZ (EF003979) -V


Datasheet - PDF

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Title: Size: Type:
PDF CATALOGUE SIEMENS EN.pdf 120 Mbytes
3TF6933-8DG4 3TF6933-8DG4 EN_3TF6933-8DG4.pdf 252 Kbytes 3TF6933-8DG4 3TF6933-8DG4 EN_3TF6933-8DG4.pdf

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