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Table A: Automatic Star - Delta Starter Type Ref: 3TE7291-0A

Motor

Output 

at

415V

(kW/HP)

I(fl)

4 Pole

Squirrel cage

motor

Contactor Line

Contactor Delta

Contactor Star

Recommended

Overload  relay at 50ºC

Recommended

Fuse Switch

Recommended Cu

Cable size

(mm

2

)

Line 

cur-

rent 

(A)

Phase

cur-

rent

(A)

Type Reference

Type - Code

Relay

Range

(A)

Type

Back up 

HRC
fuse 

rating(A)

Incoming

(from 

supply)

Outgoing

(to motor)

7.5/10

16

9.2

3TS32 10-0A*08K 3TS32 01-0A*08K 3TS32 10-0A*08K

3UW51 02-1J

6.3-10

3KL812

20

2.5

1.5

9.3/12.5 19.5 11.2 3TS32 10-0A*08K 3TS32 01-0A*08K 3TS32 10-0A*08K 3UW51 02-1K

8-12.5

3KL812

25

4

2.5

11/15

23

13.2 3TS32 10-0A*08K 3TS32 01-0A*08K 3TS32 10-0A*08K 3UW51 02-2A

10-16

3KL812

25

4

2.5

15/20

32

18.4 3TS33 00-0A*08K 3TS33 00-0A*08K 3TS32 10-0A*08K 3UW52 02-2B 12.5-20 3KL812

50

10

4

18.5/25 38.5 22.2 3TS33 00-0A*08K 3TS33 00-0A*08K 3TS32 10-0A*08K 3UW52 02-2C

16-25

3KL812

50

10

4

* Code for operating coil voltage 50 Hz (Z6 for 200-400V, R0 for 415V)

Other Tables:

Star-Delta Timer:

AC Input Voltage

MLFB

230V-400V
380V-440V

3RP15 76-1NP20 8K

3RP15 76-1NM20 8K

Other Tables:

Motor Output at  

415V

Type

4)

kW

HP

(ASD Starter)

7.5

10

3TE72910AW74

9.3

12.5

3TE72910A.75

11

15

3TE72910A.77

15

20

3TE72910A.78

18.5

25

3TE72910A.79

4)

 Enter code for operating coil voltage, 50 Hz (B for 200-400V, W for 415V)

Spares:

Sr. 

No. 

Description

Order No.

1

Contactor 3TS32 10..

Refer Table A

2

Contactor 3TS32 01..

Refer Table A

3

Contactor 3TS33 00..

Refer Table A

4

Relay 3UW51..

Refer Table A

Relay 3UW52..

Refer Table A

Coil for 200-400V

3TY7 403-0AZ6

7   Coil for 415V

3TY7 403-0AR0

8   1NO Contact Block

3SB5420-0B

9

Aux Block 1NO

3TX4010-2A

10

Aux Block 1NC

3TX4001-2A

10   ‘ON’ & ‘OFF’ Push Button

#

# – contact sales

Replacement of coil

Fig. 7: Contactor – Relay Connection

Hook on relay for 
engagement

Contactor 
outgoing terminals

Содержание TE7291-0A Series

Страница 1: ... ON operation of Starter Fig 1 ASD 11 Starter Connect outgoing cables on the Relay K1 terminals and Delta contactor Q3 terminals Tightening torque N cm kW Ratings Incoming Terminals Outgoing Terminals 7 5 11 80 140 80 140 15 18 5 150 210 100 150 Connect the earthing conductor to terminals marked earth on the starter body with torque 80 to 140 N cm The Starter is now ready for commissioning Initial...

Страница 2: ...ctions Fig 4 Maximum permissible mounting position from vertical plane Fig 5 Timer Adjustment Commissioning Read the note carefully before commissioning Start the motor and let it run for 30 mins Then gradually reduce the relay settings till it trips Set the relay at a slightly higher value than this setting Restart the motor after some time If the relay does not trip then consider it to be proper...

Страница 3: ...of the contactors if they were severely pitted or when only 40 of the original contact tips remains Fig 6 Operating characteristics of 3UW51 52 relays same The tripping times of the same The tripping times shown are for relays starting from the cold state At operating temperatures heated at rated current these are reduced to about 25 of the value obtained from the characteristics Replacement of Ov...

Страница 4: ...5 25 38 5 22 2 3TS33 00 0A 08K 3TS33 00 0A 08K 3TS32 10 0A 08K 3UW52 02 2C 16 25 3KL812 50 10 4 Code for operating coil voltage 50 Hz Z6 for 200 400V R0 for 415V Other Tables Star Delta Timer AC Input Voltage MLFB 230V 400V 380V 440V 3RP15 76 1NP20 8K 3RP15 76 1NM20 8K Other Tables Motor Output at 415V Type4 kW HP ASD Starter 7 5 10 3TE72910AW74 9 3 12 5 3TE72910A 75 11 15 3TE72910A 77 15 20 3TE72...

Страница 5: ...Notes ...

Страница 6: ...sembling 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 av...

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