QJX2-803(LC3-D803)
起動器QJX2-803星三角啟動器LC3-D803星三角啟動器QJX2-803起動器
萬聯(lián)電器起動器LC3-D803星三角啟動器QJX2-803起動器適用范圍
QJX2－803系列星三角減壓起動器，適用于交流50Hz或60Hz，額定絕緣電壓為660V（690V），在AC-3類別使用下額定工作電壓為380V、功率為80KW及以下的三相鼠籠型感應電動機，用于控制定子繞組由“星形”至“三角”換接起動及停止。組裝相應規(guī)格的熱繼電器后，可對電動機及有關電路的過載保護。
本起動器和LC3-D、QJX4具有相同功能規(guī)格可等同互換使用。
本產(chǎn)品不適用于可逆轉(zhuǎn)換，不適用于AC-4使用類別。
LC3-D803星三角啟動器QJX2-803起動器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、型號及其含義
起動器由三臺交流接觸器、一只空氣延時頭和一只輔助觸頭組（僅QJX2-40及以下規(guī)格）組成并安裝在一塊底板上，配上適當?shù)膶Ь€。
三、規(guī)格及組成
“Y”起動器元件的選用
|
型號 |
主回路接觸器 |
標準熱繼電器 |
控制電機功率（KW） |
配熔斷器 |
||||||
|
隔離用KM2 |
Y運轉(zhuǎn)KM1 |
運轉(zhuǎn)KM3 |
電流整定值范圍（A） |
熱繼電器型號 |
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：電壽命：10萬次以上，需要熱繼電器要單獨提出訂貨，額定工作電流為三角形連接時的線電流。
四、主要技術參數(shù)
|
型號與參數(shù) |
QJX2-123 |
QJX2-183 |
QJX2-253 |
QJX2-323 |
QJX2-403 |
QJX2-503 |
QJX2-653 |
QJX2-803 |
QJX2-953 |
||
|
額定工作電流le（AC-3、380V以下）A |
20 |
31 |
43 |
55 |
69 |
86 |
109 |
138 |
164 |
||
|
額定絕緣電壓Ui V |
660（690） |
||||||||||
|
額定工作電壓Ui V |
380 |
||||||||||
|
符合標準 |
GB14048.4 |
||||||||||
|
AC-3、380V電壽命（次） |
5.5×104 |
2.5×104 |
2×104 |
1.5×104 |
|||||||
|
機械壽命（次） |
30×10 |
||||||||||
|
輔助電路額定工作電壓V |
直流380、直流220 |
||||||||||
|
輔助電路約定工作電流A |
10 |
||||||||||
|
線圈 |
吸合電壓 |
0.85~1.1 |
|||||||||
|
釋放電壓 |
0.2~0.75 |
||||||||||
五、接線端子可接導線根數(shù)
|
型號 |
CJX2-09.12 |
CJX2-19 |
CJX2-25 |
CJX2-32 |
CJX2-40 |
CJX2-50 |
CJX2-65 |
CJX2-80 |
CJX2-95 |
JRS4 |
JRS4 |
|
輔助觸頭 |
|||||||||||
|
導線根數(shù) |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
2 |
2 |
1 |
1 |
2 |
|
|
接線端子可接線mm2 |
軟線 |
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 |
|
硬線 |
4 |
4 |
6 |
- |
6 |
- |
10 |
10 |
10 |
10 |
25 |
- |
25 |
- |
50 |
- |
50 |
- |
6 |
10 |
25 |
2.5 |
2.5 |
|
六、“Y-△”起動方法
七、外形尺寸、安裝尺寸與接線
QJX2-12、18、25、32外形與安裝尺寸
|
型號 |
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、接線圖
起動器QJX2-803星三角啟動器LC3-D803星三角啟動器QJX2-803起動器
九、正常工作條件及安裝條件
周圍空氣溫度-5℃~+40℃；
拔高度不超過2000m；
振動條件：起動器應安裝在無顯著搖動、沖擊和振動的地方；
安裝條件：安裝面與垂直面傾斜度不大于±5°，應在正常位置安裝。
十、訂貨須知
訂貨時指明下列事項：
1、起動器的全型號及名稱
2、控制線圈的頻率及電壓
3、訂貨數(shù)量
4、例：QJX2-803交流”星三角“減壓起動器：380V、50Hz、10臺。用戶如需特殊電壓規(guī)格可特殊訂貨。
