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Explosion-proof mercury limited switch BLY1-5/111

Explosion-proof mercury limited switch BLY1-5/111

  • Explosion-proof mercury limited switch BLY1-5/111
Quick Details


This switch Using mercury switch as a electric contact, It's consisted of high strength aluminum alloy explosion-proof enclosure, With reliable work, Lightweight and durable, etc. Particularly suitable for  general  mechanical  contactor switch which is not up to a bad situation. The  Installation and principle of action for explosion-proof mercury switch is  basically  the same as general  limit switches. It is more convenient for use.


Explosion-proof Limit mercury switch is  suitable  for mine and Oil chemical plant Such as with level of  com  bustible gas, or Dust, moisture and corrosive medium environment, as  uesd  in  exercise  mechanical  limit, protection, signal, position detection control. Such as: The mine shaft hoisting, tank car parking, overwinding  protection; The pusher, the position detection and control of the dumper  Coal  basket door switch signals and belt  conveyor  running  deviation, strip break protection, etc.

Technical Specification

Product model 产品型号 BLY1-5/111 BLY1-5/211
Voltage rating 额定电压 127VAC/110VDC
Current rating 额定电流 2A AC/2A DC
Operating force 动作方式 顺时针 C.W. 逆时针 C.C.W.
Operating angle 工作角度 30°
Contact form 触点形式 1NC1NO
Protection degree 防护等级 IP67
Contact resistance 接触电阻 ≤200mΩ
Medium withstand voltage 介质耐压 ≥2500VAC
Insulating resistance 绝缘电阻 ≥100MΩ
Operation frequency 操作频率  ≤600次/小时
Ingoing cable diameter 引入电缆外径 Φ14-19mm
Operating temperature 工作温度 -25-80℃

 Outshape mounting & working position

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