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產品簡介 Introduction  

SZW25、T-16EXF64D正逆變速速開關(以下簡稱萬能轉換開關)主要用于交流50HZ額定電壓380V及以下,直流電壓220V及以下的主電路。額定電流至25A的機床爪控制線路中,實現各種線路的控制和換接。作主電路轉換用和直接控制電動機時符合和作主令控制用時符合標準GB14048.5-2001.
  The SZW25.  T-16EXF64D positive and negative Mechanics universal change-over switch (named as universal change-overswitch hereinafter)is mainly applied to the main circuit of AC50Hz. rated volt being 380v or below.  DC volt being 220V orbelow in addition to machine tool'control line of rated current being 25A or below for realizing control and switching of every line.
  Conforming with GB14048.5-2001 standard when used for master control. main circuit' switching. directly controlling
motor.
芷常工作條件normal work cond…on
1、周圍空氣溫度上限為+400C下限為- 250C,24小時平均溫度不超過+350C;
2、海拔高度不超過2000m:
3、空氣相對濕度在周圍溫度+400C時,應不超過50%,在較低溫度下允許有較高相對濕度,最濕月的月平均最低度不超過+25℃時,月平均最大相對溫度不超過90%:
4、污染等級3級;安裝類別川類。
4、the surrounding air temperature ranges from-250C to+400C. moreover.  its average temperature within 24 hours should bebelow +350C;:the altitude of installation place should be below 2000m;
  provided the highest temperature is+400C ,  the comparative humidity of air can'  t exceed 50% :  the temperature lower,thecomparative humidity higher,  while,  the monthly average lowest temperature in moistest month can't exceed+250C ,and themonthly average largest comparative humidity can't exceed 90%;pollution rank is 3 grade,  installation category is lIl type.
按術參數Technical prarameters

 

 lth

A

Ui

v

 Ue

v

 AC-21A  AC-22A  AC-23A  AC-2    AC-3   AC-4  AC-15  DC-13          
  型號        440   le(A)  Ie(A)  le(A)  P(kW)  le(A)  P(kW)  le(A)  P(kW) le(A)   P(kW)  le(A)  le(A)  
       240  440    20  20  15  7.5  15  7.5  11  5.5  3.5  4    
   25  660  1 20  240                      5  1  
 SZW25-25      440  120                      
       440   25  25  22  11  22  11  15  7.5  6.5  3  5    


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