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3RT1044-3XB40-0LA2 参数 Datasheet PDF下载

3RT1044-3XB40-0LA2图片预览
型号: 3RT1044-3XB40-0LA2
PDF下载: 下载PDF文件 查看货源
内容描述: 接触器,支持扩展公差0.7 ... 1.25× ,为铁路应用 [Contactors with Extended Tolerance 0.7 ... 1.25 x , for Railway Applications]
分类和应用:
文件页数/大小: 76 页 / 1473 K
品牌: SIEMENS [ Siemens Semiconductor Group ]
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3RT, 3RH, 3TB, 3TC, 3TH, 3TK Contactors for Special Applications  
3TC Contactors for Switching DC Voltage  
1- and 2-pole, 32 ... 400 A  
Overview  
Application  
The contactors are suitable for switching and controlling DC  
motors as well as all other DC circuits.  
3TC4 and 3TC5  
EN 60947-4-1 (VDE 0660 Part 102)  
The contactors are finger-safe according to EN 50274.  
A version with an especially large operating range is available  
for use in electrically driven vehicles and in switchgear with  
significant fluctuations in the operating voltage (see page 3/74).  
Terminal covers may have to be fitted onto the connecting bars,  
depending on the configuration with other devices.  
The DC motor ratings given in the tables are applicable to the  
DC-3 and DC-5 utilization categories with two-pole switching of  
the load or with the two conducting paths of the contactor  
connected in series.  
One contactor conducting path can switch full power up to  
220 V. The ratings for higher voltages are available on request.  
3TC7  
EN 60947-4-1 (VDE 0660 Part 102).  
The contactors are suitable for use in any climate. They are  
suitable for switching and controlling DC motors as well as all  
other DC loads. The electromagnetic excitation is designed for  
a particularly wide coil operating range.  
It is between 0.7 or 0.8 to 1.2 ™ U .  
s
3TC74 contactors can be used at up to 750V/400A and 50 Hz in  
AC-1 operation.  
Siemens LV 1 · 2006  
3/75  
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