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LW4萬能轉換開關

更新:2013/9/11 15:58:37      點擊:
  • 產品品牌   
  • 產品型號   LW4
  • 產品描述

    LW4萬能轉換開關,是上海人民電氣有限公司 //www.shamandq.com 為您提供的關于LW4萬能轉換開關型號,LW4萬能轉換開關價格,有關LW4萬能轉換開關的相關資料,上海人民電氣...

產品介紹
一、適用范圍
 
LW4系列列萬能轉換開關(以下簡稱轉換開關),適用于交流50或60Hz,電壓至500伏,直流至440伏的電路中,作為主令電器,亦可用作電流表及電壓表的換相開關及作為小量容電動機啟動,調速換向之用。

二、型號及其含義

三、結構特征
1.轉換開關按檔數分為2,4,6,8,10,12,14,16八種。
2.轉換開關按手柄位特征可分為14種形式(見表2)


 
操作方式代號
特征代號
操作手柄位置
自復型
A
-
-
-
-
15°
45°
-
-
-
-
-
B
-
-
-
-
15°
-
-
-
-
-
-





 
G
-
-
-
-
-
45°
-
-
-
-
-
F
-
-
-
90°
45°
45°
90°
135°
-
-
-
X
-
-
-
90°
45°
45°
90°
135°
-
-
-
M
-
-
135°
90°
45°
45°
60°
90°
210°
150°
180°
T
210°
240°
270°
300°
330°
30°
90°
135°
180°
-
-
H
-
-
135°
90°
45°
45°
60°
90°
-
-
-
L
-
-
90°
60°
30°
30°
90°
-
-
-
-
P
-
-
-
90°
45°
45°
-
-
-
-
-
I
-
-
-
-
-
45°
-
-
-
-
-
E
-
-
-
-
90°
90°
-
-
-
-
-
C
-
-
-
-
45°
45°
-
-
-
-
-
R
-
-
-
-
45°
 
45°
-
-
-
-
-

四、主要技術參數
 
1.額定電壓:500伏
2.額定電流:20安
3.機械壽命:500,000次。
4.在交流COSφ0.3-0.4或直流時間常數為0.06-0.006秒鐘時能接通與分斷表1數值100,000次。
 

 
電壓(伏)
交流(安)
直流(安)
非電感電流
電感電流
非電感電流
電感電流
單斷
雙斷
單斷
雙斷
單斷
雙斷
四斷
單斷
雙斷
四斷
24
-
-
-
-
30
50
100
10
20
30
48
-
-
-
-
15
40
80
5
15
25
110
50
150
15
30
3
20
50
0.4
2.5
7
230
40
120
10
20
1.25
3
15
0.3
1.25
3
380
30
60
7
14
-
-
-
-
-
-
440
-
-
-
-
0.3
1.0
2.5
0.10
0.5
1.25
500
20
50
3
10
-
-
-
-
-
-

五、外形尺寸及安裝尺寸
 
轉換開關中各型號的外形尺寸應符合圖1,表3規定:
 

 
型號
LW4-2
LW4-4
LW4-6
LW4-8
LW4-10
LW4-12
LW4-14
LW4-16
長度H(毫米)
80
120
150
200
240
280
320
390


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