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Contactor
outgoing terminals
Fig. 3: Contactor – Relay Connection
Table A:
Motor
Rating
At 415V 3ph 50Hz
Starter Type
HP
kW
0.33
0.25
3TW7291-1A* 64
0.75
0.55
3TW7291-1A* 66
1
0.75
3TW7291-1A* 68
1.5
1.1
3TW7291-1A* 69
2
1.5
3TW7291-1A* 71
3
2.2
3TW7291-1A* 72
5
3.7
3TW7291-1A* 74
7.5
5.5
3TW7291-1A* 75
7.5
5.5
3TW7291-1A* 77
10
7.5
3TW7291-1A* 78
* Code for operating coil voltage, 50 Hz (B for 200-400V, W for 415V)
Spare list
Sr.
Description
No.
1
Contactor for 200-400V
2
Contactor for 200-400V
3
Contactor for 415V
4
Contactor for 415V
5
Relay
6 Coil for 200-400V
7 Coil for 415V
8
1NO Contact Block
9 'ON' & 'OFF' Push Button
# – contact sales
Hook on relay for
engagement
Relay 3UW51
Back-up Fuse Rating
HRC
Code
type
Range
##
3NA
0.63-1
0J
2A
1-1.6
1A
6A
1.6-2.5
1C
6A
2-3.2
1D
10A
3.2-5
1F
16A
4-6.3
1G
16A
6.3-10
1J
16A
8-12.5
1K
25A
10-16
2A
25A
12.5-20
2B
32A
Order No.
3TS30-10-0AZ608K
3TS32-10-0AZ608K
3TS30-10-0AR008K
3TS32-10-0AR008K
3UW51 02-##
3TY7 403-0AZ6
3TY7 403-0AR0
3SB54200B
#
Replacement of coil
Cu
Cable
(mm
2
)
size
Rewirable
7
36 SWG
1
34 SWG
1
27 SWG
1
26 SWG
1
25 SWG
1
24 SWG
1.5
21 SWG
1.5
19 SWG
1.5
18 SWG
2.5
18 SWG
4
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. 4mm
Max. Full Load Current (Amp)
3Ph, 415V,
3Ph, 415V,
1Ph, 240V,
2P
4P Squirrel
Submersible
Cage IS
Split-Phase IS
motor IS
8789:1996
996-1979
9283:1995
Table 4
Table 2
–
–
1.7
–
2.2
–
2.9
3.25
3.8
4.5
5.1
6.5
8.1
10
11.4
14.5
–
–
15.4
19.5
2
)
CSIR or
Table 9
3.8
7
7
13
18
–
–
–
–
–
3
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