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DZ-700电磁式中间继电器

更新:2013/9/9 14:43:29      点击:
  • 产品品牌   
  • 产品型号   DZ-700
  • 产品描述

    DZ-700电磁式中间继电器,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于DZ-700电磁式中间继电器型号,DZ-700电磁式中间继电器价格,有关DZ-700...

产品介绍

1   用途
     DZ–700电磁式中间继电器(以下简称继电器)作为一种辅助继电器用于直流操作的各种保护和自动控制装置中,以增加触点的数量及容量。

2 结构与工作原理
      继电器采用JK-4壳体,其外形尺寸、背后端子及安装开孔图见附录2。背后端子接线图见图1。继电器是在DM1电码继电器的基础上,增加底座和外壳而成。当在继电器线圈上加电压,且等于或大于动作电压时,衔铁就被电磁吸力吸靠在铁心上,而接触片在衔铁顶板的推动下,触点接通、断开或转换被控制电路,当继电器线圈被断电或电压降低到小于返回电压时,衔铁在接触片的作用下返回到原来位置。           

主要技术要求
     1.继电器的额定电压及线圈电阻值见表1

 

1

额定电压

220V

110V

48V

24V

12V

线圈电阻

12100Ω

4000Ω

650Ω

280Ω

72Ω

 

 2.  技术数据

 

技术数据

额定电压

220V 110V 48V 24V 12V

线圈电阻

17000Ω 4000Ω 650Ω 280Ω 72Ω

触点代号

8000,4011,2022,0004,3030,1400,0420,5300,3320,1420,6400,6300

动作电压

≤70%Un

返回电压

≥5%Un

功耗

Un下≤4

触点容量

直流有感负荷电路断开20W交流电路断开80VA

 

 3.热性能
 当环境温度为40℃时,继电器线圈长期耐受110%额定电压值,温升不超过65℃
        4.介质强度
       继电器各导电电路连在一起与外露的非带电金属部分及外壳之间、线圈电路与触点电路之间,应能承受1kV(有效值)、50Hz的交流试验电压,历时1min,而无绝缘击穿或闪络现象。
       5.触点断开容量
       在直流有感(τ=5ms)回路,U≤250V
       I≤2A,为20W;在交流(cosφ=0.4)回路,U≤250VI≤2A,为80VA
       6.继电器电寿命为5×103次。
       继电器机械寿命为104
      7.重量约为0.8kg

5.订货须知
订货时应指明:
a.     继电器的名称和型号;
b.     安装方式:凸出式后接线或凸出式前接线;
c.    额定电压值;
d.    订货数量;
e.    交货地址。

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