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Contactor
outgoing terminals
Fig. 7: Contactor – Relay Connection
Table A: Automatic Star - Delta Starter Type Ref: 3TE7291-0A
I(fl)
4 Pole
Contactor Line
Motor
Squirrel cage
Output
motor
at
415V
Line
Phase
(kW/HP)
cur-
cur-
rent
rent
(A)
(A)
7.5/10
16
9.2
3TS32 10-0A*08K 3TS32 01-0A*08K 3TS32 10-0A*08K
9.3/12.5 19.5 11.2 3TS32 10-0A*08K 3TS32 01-0A*08K 3TS32 10-0A*08K 3UW51 02-1K
11/15
23
13.2 3TS32 10-0A*08K 3TS32 01-0A*08K 3TS32 10-0A*08K 3UW51 02-2A
15/20
32
18.4 3TS33 00-0A*08K 3TS33 00-0A*08K 3TS32 10-0A*08K
18.5/25 38.5 22.2 3TS33 00-0A*08K 3TS33 00-0A*08K 3TS32 10-0A*08K 3UW52 02-2C
* Code for operating coil voltage 50 Hz (Z6 for 200-400V, R0 for 415V)
Other Tables:
Star-Delta Timer:
AC Input Voltage
230V-400V
380V-440V
Other Tables:
Motor Output at
415V
kW
HP
7.5
10
9.3
12.5
11
15
15
20
18.5
25
Enter code for operating coil voltage, 50 Hz (B for 200-400V, W for 415V)
4)
Hook on relay for
engagement
Contactor Delta
Contactor Star
Type Reference
MLFB
3RP15 76-1NP20 8K
3RP15 76-1NM20 8K
Type
4)
(ASD Starter)
3TE72910AW74
3TE72910A.75
3TE72910A.77
3TE72910A.78
3TE72910A.79
Replacement of coil
Recommended
Overload relay at 50ºC
Relay
Type - Code
Range
(A)
3UW51 02-1J
6.3-10
8-12.5
10-16
3UW52 02-2B 12.5-20 3KL812
16-25
Sr.
Description
No.
1
Contactor 3TS32 10..
2
Contactor 3TS32 01..
3
Contactor 3TS33 00..
4
Relay 3UW51..
5
Relay 3UW52..
6
Coil for 200-400V
7
Coil for 415V
8
1NO Contact Block
9
Aux Block 1NO
10
Aux Block 1NC
10 'ON' & 'OFF' Push Button
# – contact sales
Recommended Cu
Recommended
Cable size
Fuse Switch
(mm
Back up
Incoming
HRC
Type
(from
fuse
supply)
rating(A)
3KL812
20
2.5
3KL812
25
4
3KL812
25
4
50
10
3KL812
50
10
Spares:
Order No.
Refer Table A
Refer Table A
Refer Table A
Refer Table A
Refer Table A
3TY7 403-0AZ6
3TY7 403-0AR0
3SB5420-0B
3TX4010-2A
3TX4001-2A
#
)
2
Outgoing
(to motor)
1.5
2.5
2.5
4
4
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