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B AC contactor
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Application
B series AC contactors, mainly used in 50/60Hz electrical line of the rated voltage up to 660V AC and rated current up to 475A,are applicable for remote making and breaking of electrical lines or frequent control ov AC motors,having no-voltage protection.Usually,it can be combined with T series thermal relay to for m electromagnetic starters which have overload and open-phase protection.It complies with IEC60947&VDE0660.
Technical Specification
Type
B9
B12
B16
B25
B30
B37
B45
The highest control power (KW)
220V
2.2
3
4
6.5
9
10
13
380V
4
5.5
7.5
11
15
18.5
22
380V
4
5.5
7.5
11
15
18.5
22
660V
4
5.5
7.5
11
15
18.5
22
Rated heating current Ith (A)
16
20
25
40
45
45
60
Rated working current
AC2/AC3/AC4
380V
8.5
11.5
15.5
22
30
37
44
660V
3.5
4.9
6.7
13
17.5
21
25
Rated holding power of a
holding coil/pull-in (VA/W)
9/2.2
60/50
9/2.2
60/50
9/2.2
60/50
10/3
85/65
10/3
85/65
22/5
175/125
22/5
125
Type
B65
B85
B105
B170
B250
B370
The highest control power (KW)
220V
16
20
28
46
60
32
380V
33
45
55
90
132
200
500V
40
50
75
110
160
250
660V
40
50
75
110
160
250
Rated heating current Ith (A)
80
100
140
230
300
400
Rated working current
AC2/AC3/AC4
380V
65
85
105
170
245
370
660V
45
55
82
118
170
268
Rated holding power of a
holding coil/pull-in (VA/W)
30/8
270/130
30/8
270/130
32/9
510/280
60/15
790/460
66/16
1100/600
100/27
900/350
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