Siemens 3TW7291-1A Guide

DOL Starter
3TW7291-1A
For dependable service, it is of utmost
importance that instructions given below are
followed for selection, inspection, installation,
commissioning, operation and maintenance.
Installation, Operation & Maintenance
Instructions
s
Raja+DOL Starter (Self reset)
Selection of Starter
• ReferTableAforrecommendedselectionof3TW72starters.
 TableA:kW/HPRating,ContactorMLFB’s,thermaloverload
relayrange&fuserating,CoilVoltage,Maximumfullload
currentfordifferenttypesofmotors.
• RecommendedSubmersiblepumprating5.5kW/7.5HPMax.
34
5
1
6
2
7
11
10
5
1
12
6
2
3
4
9
7
8
1. ‘ON’pushbuttons(green)
2. ‘OFF’pushbutton(red)
3. Coverxing(InstrumentHead)screws
4. Housing
5. Cover
6. MechanicalLatch(OFFpushbutton)tobeusedfor
preventingundesiredONoperationofStarter
7. Nameplate
1. Contactor
2.OverloadRelay
3.RelayDial
4.RedKnob
5.ContactorIncomingTerminalScrews
6.ContactorOutgoingTerminalScrews
7.WiringdiagramLabel
8.Links
9.Gasket
10.Grommet
11.MountingScrewhole
12. ContactCarrier
Fig. 1: DOL Starter
Fig. 2: Starter Inside View
Pleasereadandunderstandtheseinstructionsbefore
installating,operating,ormaintainingtheequipment.Keepfor
futurereference
Danger
Hazardousvoltagecancausedeathorseriousinjury.Disconnect
powerbeforeworkingonequipment.
Warning
Automatic Motor Restart.
Can cause death, serious injury or property damage.
Donotuseautomaticresetmodewhenunexpectedautomatic
restartofthemotorcancauseinjurytopersonsordamageto
equipment.
Reliablefunctioningoftheequipmentisonlyensuredwith
certiedcomponents.Commissioningandmaintenanceby
qualiedpersonnelonly.
NOTICE
ThisproducthasbeendesignedforenvironmentA.Useofthisproduct
inenvironmentBmaycauseunwantedelectromagneticdisturbancesin
whichcasetheusermayrequiretotakeadequatemitigationmeasures.
IS/IEC 60947-4-1

3
Replacement of coilFig. 3: Contactor – Relay Connection
Table A:
Motor
Rating
At 415V
3ph 50Hz
Starter Type Contactor
Relay 3UW51 Back-up Fuse
Rating
Cu
Cable
(mm2)
size
Max. Full Load Current (Amp)
HP kW Range Code
##
HRC
type
3NA
7
Rewirable
3Ph, 415V,
4P
Squirrel
Cage IS
8789:1996
Table 4
3Ph, 415V,
2P Sub-
mersible
motor IS
9283:1995
Table 2
1Ph, 240V,
CSIR or
Split-
Phase IS
996-1979
Table 9
0.33 0.25 3TW7291-1A*64 3TS3010-0A##08KA0 0.63-1 0J 2A 36SWG 1- - 3.8
0.75 0.55 3TW7291-1A*66 3TS3010-0A##08KA0 1-1.6 1A 6A 34SWG 11.7 - 7
10.75 3TW7291-1A*68 3TS3010-0A##08KA0 1.6-2.5 1C 6A 27SWG 12.2 - 7
1.5 1.1 3TW7291-1A*69 3TS3010-0A##08KA0 2-3.2 1D 10A 26SWG 12.9 3.25 13
2 1.5 3TW7291-1A*71 3TS3010-0A##08KA0 3.2-5 1F 16A 25SWG 13.8 4.5 18
3 2.2 3TW7291-1A*72 3TS3010-0A##08KA0 4-6.3 1G 16A 24SWG 1.5 5.1 6.5 -
5 3.7 3TW7291-1A*74 3TS3010-0A##08KA0 6.3-10 1J 16A 21SWG 1.5 8.1 10 -
7.5 5.5 3TW7291-1A*75 3TS3210-0A##08KA0 8-12.5 1K 25A 19SWG 1.5 11.4 14.5 -
7.5 5.5 3TW7291-1A*77 3TS3210-0A##08KA0 10-16 2A 25A 18SWG 2.5 - - -
10 7.5 3TW7291-1A*78 3TS3210-0A##08KA0 12.5-20 2B 32A 18SWG 415.4 19.5 -
* Code for operating coil voltage, 50 Hz (B for 200-400V, W for 415V)
## Code for operating coil voltage, 50 Hz (Z6 for 200-400V, R0 for 415V)
Raja+Direct-on-line Starter
(ForSinglePhaseconnection)
Wiring Diagram for Single-Phase Motors
Note:Connect3/L2to2/T1bycableofsuitablesize.(Max.4mm2)
S0 - OFF "O" (red) Button
S1 - ON "I" (green) Button
Q1 - Contactor
K1 - Bimetal Relay with
SPP feature
Hookonrelayfor
engagement
Contactor
outgoingterminals
Spare list
Sr.
No. Description Order No.
1Contactorfor200-400V 3TS30-10-0AZ608K-A0
2 Contactorfor200-400V 3TS32-10-0AZ608K-A0
3 Contactorfor415V 3TS30-10-0AR008K-A0
4Contactorfor415V 3TS32-10-0AR008K-A0
5 Relay 3UW5102-##
6Coilfor200-400V 3TY7403-0AZ6
7 Coilfor415V 3TY7403-0AR0
8‘ON’&’OFF’PushButton #
#–contactsales

Dimensional Drawing
RajaDirectOn-LineStarter
Siemens Ltd.
OrderNo.A5E41695269000A-AC
Productdevelopmentisacontinuousprocess.Consequently
thedataindicatedinthisLeaetissubjecttochangewithout
priornotice.Forlatestissuecontactoursalesofces.
SACHINENTERPRISE
Disposal
Siemensproductsareenvironmentfriendly,which
predominantlyconsistofrecyclablematerials.
Fordisposalswerecommenddisassemblingandseparation
intofollowingmaterials:
METALS:SegregateintoFerroustypesforrecyclingthrough
authorizeddealer.
PLASTICS:Segregateaspermaterialtypeforrecycling
throughauthorizeddealer.Becauseofthelonglifetimeof
SiemensProductsthedisposalguidelinesmaybereplaced
byothernationalregulationswhentakingtheproductout
ofservice.Thelocalcustomercareserviceisavailableatany
timetoanswerdisposal-relatedquestions.
CustomerCareTollfreeno.1800220987 Email:[email protected]
Mountingdimensions154x70mmandholedia6.5mm
(25.3) (154)
(210)
(32)
M4Earthingscrew
attopandbottom
Cableentryholes
attopandbottom
Cableentry
holefromrear
B
B
(17)
(41)
(70)
(120) 118 9
∅ 25.5
∅ 21
S17662