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

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.

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

Replacement of coilFig. 3: Contactor – Relay Connection

Table A:

Motor

Rating

At 415V

3ph 50Hz

Starter Type Contactor

Relay 3UW51 Back-up Fuse

Rating

Cable

(mm2)

size

Max. Full Load Current (Amp)

HP kW Range Code

HRC

type

3NA

Rewirable

3Ph, 415V,

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

(17)

(41)

(70)

(120) 118 9

∅ 25.5

∅ 21

S17662

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