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AC CONTACTOR  LS
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APPLICATION

LS AC Contactor mainly applies to of AC 50/60Hz, rated working voltage up to 690V, current to 630A for long distance frequently making and breaking the circuit of motoe. LS can be used with 3SR9 thermal overload relay to form magnetic starter to protect the motor from overload and phase failure.
LS feature double breaking contacts. LS-4 TO LS-17 is 4 pole,LS-27 to LS-637 is 3 pole contactor.
The product complies with standard of IEC60947-4.
 
SPECIFICATION
 
Type
Rated insulating voltage Ui(V)
Conventional heating current Ith(A)
Rated working current 380V AC-3(A)
AC-3 Control power(KW)
220V
380V
415V
500V
660V
LS-4
660
20
9.5
2.2
4
4
5.5
5.5
LS-7
25
12
3
5.5
5.5
7.5
7.5
LS-17
32
16
4
7.5
7.5
9
7.5
LS-27
40
23
5.5
11
11
11
11
LS-37
50
32
7.5
15
15
18.5
15
LS-47
1000
90
46
11
22
22
30
37
LS-57
100
63
18.5
30
30
37
37
LS-77
110
75
22
37
37
45
55
LS-87
110
87
26
45
45
59
67
LS-107
180
110
30
55
55
75
90
LS-147
180
145
45
75
75
90
90
LS-177
225
180
55
90
90
110
130
LS-207
225
205
65
110
110
145
132
LS-247
350
250
75
132
132
160
200
LS-307
410
300
90
160
160
160
200
LS-407
500
400
125
200
200
280
375
LS-507
650
500
150
250
250
335
450
LS-637
800
630
200
335
335
434
560
 

 

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