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Home  >> Products >> Low Voltage >> Magnetic Starter & Thermal Relay >> QC12 Series Magnetic Starter
       
     
 
 
1. Features
 

QC12 series magnetic starter is mainly applied to circuit of AC50Hz voltage up to 380V for far distance making & breaking circuit and frequently starting & controlling AC motor.The magnetic starter with thermal relay are protect AC 3-phase motor against overland and phase losing.

 
 
2. Type and meanings
 
2. QC-12 technical data are shown in table
 
Starter degree
The biggest capacity above voltage of starter(kW)
Thermal relay
rated current
(A)
Thermal component operating current(A)
Thermal relay rated current
regulation range(A)
220V
380V
2
2.2
4
20
0.35,0.50,0.72,1.1,
1.6,2.4,3.5,5,7.2,11
0.25~0.35, 0.32~0.5, 0.45~0.72, 0.68~1.1, 1~1.6, 1.5~2.4, 2.2~3.5, 3.2~5, 4.5~7.2, 6.8~11
3
5.5
10
20
11 16 22
6.8~11 10~16 14~22
4
11
20
60
22 32 45
14~22 20~32 28~45
5
17
30
60
22 32 45 63
14~22 20~32 28~45 40~63
6
29
50
150
63 85 120
40~63 53~85 75~120
7
47
75
150
63 85 120 160
40~63 53~85 75~120 100~160
 
 
3. QC12 contacts date are shown in table
 
Starter Degree
Main contacts
Auxiliary contacts
Repeated short time
Work system
Thermal relay contacts
Qty
Rated current
(A)
Qty
Rated current
(A)
Frequency of operation
(times/h)
Set up an electric circuit (%)
normal close contacts operating current(A)
normal open contacts
operating current(A)
2
3 normal open
10
2 normal open
2 normal close
5
=600
40
5
1.5
3
20
4
40
5
60
6
100
7
150
 
 
4. Outline and installation dimensions
 
Type
 Nonreversible protection type (NH) Nonreversible turn on type(NK)
A
B
C
D
H
￠
Hole dimension
A
B
C
D
H
￠
Hole dimension
QC12-2
200
110
150
60
117
6
..
147
92
130
56
102
6
.
QC12-3
220
135
175
80
135
6
..
192
95
175
76
117
6
.
QC12-4
290
170
230
100
158
6
...
202
100
185
95
135
6
.
QC12-5
400
225
305
150
186
7
...
300
175
278
100
250
7
...
QC12-6
445
300
350
210
200
9
...
375
210
350
125
155
9
...
QC12-7
500
320
380
240
200
9
...
405
240
380
155
165
9
...
 
Type
 reversible protection type(NH) reversible turn on type(NK)
A
B
C
D
H
￠
Hole dimension
A
B
C
D
H
￠
Hole dimension
QC12-2
200
182
150
150
117
6
..
145
150
130
130
102
6
.
QC12-3
230
230
170
170
135
6
...
192
195
175
100
117
6
...
QC12-4
295
275
200
200
158
6
...
215
240
185
200
135
6
...
QC12-5
602
225
150
150
196
7
...
490
205
470
100
150
7
...
QC12-6
705
305
210
210
200
9
...
590
235
565
125
155
9
...
QC12-7
775
325
240
240
200
9
...
650
265
625
155
165
8
...

 

 
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