QJX2-803(LC3-D803)
起动器QJX2-803星三角启动器LC3-D803星三角启动器QJX2-803起动器
万联电器起动器LC3-D803星三角启动器QJX2-803起动器适用范围
QJX2－803系列星三角减压起动器，适用于交流50Hz或60Hz，额定绝缘电压为660V（690V），在AC-3类别使用下额定工作电压为380V、功率为80KW及以下的三相鼠笼型感应电动机，用于控制定子绕组由“星形”至“三角”换接起动及停止。组装相应规格的热继电器后，可对电动机及有关电路的过载保护。
本起动器和LC3-D、QJX4具有相同功能规格可等同互换使用。
本产品不适用于可逆转换，不适用于AC-4使用类别。
LC3-D803星三角启动器QJX2-803起动器QJX2-803 series Starter star Delta decompression, suitable for AC 50Hz or 60Hz, rated insulation voltage up to 660V (690V), in the AC-3 class under the rated voltage is 380V, power 80KW and having three-phase squirrel-cage induction motor, used to control the stator windings from "Star" to the "triangle" for starting and stopping. After assembling the corresponding specifications of the thermal relay and overload protection of the motor and its associated circuits. The starter and LC3-D and QJX4 have the same functional specifications can be used interchangeably as. This product is not available for round-trip conversion, does not apply to AC-4 using categories.
二、型号及其含义
起动器由三台交流接触器、一只空气延时头和一只辅助触头组（仅QJX2-40及以下规格）组成并安装在一块底板上，配上适当的导线。
三、规格及组成
“Y”起动器元件的选用
|
型号 |
主回路接触器 |
标准热继电器 |
控制电机功率（KW） |
配熔断器 |
||||||
|
隔离用KM2 |
Y运转KM1 |
运转KM3 |
电流整定值范围（A） |
热继电器型号 |
220V |
380V |
415V |
440V |
||
|
QJX2-123 |
CJX2-1210 |
CJX2-0901 |
CJX2-1201 |
10-13 |
JRS4-12316 |
5.5 |
11 |
11 |
11 |
20 |
|
QJX2-183 |
CJX2-1810 |
CJX2-1201 |
CJX2-1801 |
13-18 |
JRS4-16321 |
7.5 |
15 |
15 |
15 |
32 |
|
QJX2-253 |
CJX2-2510 |
CJX2-1201 |
CJX2-2501 |
18-25 |
JRS4-25322 |
11 |
18.5 |
22 |
22 |
50 |
|
QJX2-323 |
CJX2-3210 |
CJX2-2501 |
CJX2-3201 |
23-32 |
JRS4-32353 |
15 |
25 |
25 |
30 |
63 |
|
QJX2-403 |
CJX2-4011 |
CJX2-2501 |
CJX2-4011 |
30-40 |
JRS4-40355 |
18.5 |
33 |
37 |
37 |
80 |
|
QJX2-503 |
CJX2-5011 |
CJX2-4011 |
CJX2-5011 |
48-57 |
JRS4-63359 |
25 |
45 |
45 |
45 |
100 |
|
QJX2-653 |
CJX2-6511 |
CJX2-4011 |
CJX2-6511 |
57-66 |
JRS4-63361 |
30 |
55 |
59 |
59 |
125 |
|
QJX2-803 |
CJX2-8011 |
CJX2-5011 |
CJX2-8011 |
63-80 |
JRS4-80363 |
40 |
75 |
75 |
75 |
160 |
|
QJX2-953 |
CJX2-9511 |
CJX2-6511 |
CJX2-9511 |
75-105 |
JRS4-14065 |
40 |
80 |
80 |
80 |
200 |
注：电寿命：10万次以上，需要热继电器要单独提出订货，额定工作电流为三角形连接时的线电流。
四、主要技术参数
|
型号与参数 |
QJX2-123 |
QJX2-183 |
QJX2-253 |
QJX2-323 |
QJX2-403 |
QJX2-503 |
QJX2-653 |
QJX2-803 |
QJX2-953 |
||
|
额定工作电流le（AC-3、380V以下）A |
20 |
31 |
43 |
55 |
69 |
86 |
109 |
138 |
164 |
||
|
额定绝缘电压Ui V |
660（690） |
||||||||||
|
额定工作电压Ui V |
380 |
||||||||||
|
符合标准 |
GB14048.4 |
||||||||||
|
AC-3、380V电寿命（次） |
5.5×104 |
2.5×104 |
2×104 |
1.5×104 |
|||||||
|
机械寿命（次） |
30×10 |
||||||||||
|
辅助电路额定工作电压V |
直流380、直流220 |
||||||||||
|
辅助电路约定工作电流A |
10 |
||||||||||
|
线圈 |
吸合电压 |
0.85~1.1 |
|||||||||
|
释放电压 |
0.2~0.75 |
||||||||||
五、接线端子可接导线根数
|
型号 |
CJX2-09.12 |
CJX2-19 |
CJX2-25 |
CJX2-32 |
CJX2-40 |
CJX2-50 |
CJX2-65 |
CJX2-80 |
CJX2-95 |
JRS4 |
JRS4 |
|
辅助触头 |
|||||||||||
|
导线根数 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
2 |
2 |
1 |
1 |
2 |
|
|
接线端子可接线mm2 |
软线 |
2.5 |
2.5 |
4 |
4 |
4 |
4 |
6 |
6 |
10 |
10 |
16 |
16 |
16 |
16 |
50 |
25 |
50 |
25 |
4 |
6 |
25 |
2.5 |
2.5 |
|
硬线 |
4 |
4 |
6 |
- |
6 |
- |
10 |
10 |
10 |
10 |
25 |
- |
25 |
- |
50 |
- |
50 |
- |
6 |
10 |
25 |
2.5 |
2.5 |
|
六、“Y-△”起动方法
七、外形尺寸、安装尺寸与接线
QJX2-12、18、25、32外形与安装尺寸
|
型号 |
amax |
bmax |
|
QJX2-12 |
144 |
140 |
|
QJX2-18 |
149 |
|
|
QJX2-25 |
160 |
170 |
|
QJX2-32 |
165 |
Nine, normal working conditions and conditions of installation the ambient air temperature of-5 c ~+40 c; Pull height does not exceed 2000m; Vibration: starters should be installed in the absence of significant shaking, where shock and vibration; Installation: mounting surface and vertical inclination is not more than ± 5 °, shall be installed in the normal b. Ten, ordering inbation when ordering indicate the following: 1, 2 Starter all models and names, control the frequency and voltage of the coil 3, order number 4, example: QJX2-803 Exchange "y" decompression Starter: 380V, 50Hz, 10. Users require special voltage specifications are available as special orders.
八、接线图
起动器QJX2-803星三角启动器LC3-D803星三角启动器QJX2-803起动器
九、正常工作条件及安装条件
周围空气温度-5℃~+40℃；
拔高度不超过2000m；
振动条件：起动器应安装在无显著摇动、冲击和振动的地方；
安装条件：安装面与垂直面倾斜度不大于±5°，应在正常位置安装。
十、订货须知
订货时指明下列事项：
1、起动器的全型号及名称
2、控制线圈的频率及电压
3、订货数量
4、例：QJX2-803交流”星三角“减压起动器：380V、50Hz、10台。用户如需特殊电压规格可特殊订货。
