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KWB Explosion-Proof Micro Switch
KWB Explosion-Proof Micro Switch
The KWB explosion-proof micro switch features a casing made of stainless steel or H62 copper, designed to meet GB/T3836 standards (Exdb Ⅱ CT6Gb/Exdb Ⅰ Mb). It is used in hazardous environments where water, dust, and explosion resistance are essential. The switch operates by compressing or releasing the push rod to activate or release the switch, outputting an effective switch signal. It is widely used in oil, chemical, and power industries to control subsequent equipment for automated operations.
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KWB Explosion-Proof Micro Switch

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Overview:

Material: Stainless steel or H62 copper casing

Explosion-Proof Rating: Exdb Ⅱ CT6Gb/Exdb Ⅰ Mb

Applications: Used in oil, chemical, and power industries, in hazardous environments requiring water, dust, and explosion resistance

Standards: Q/YZY134 KWB Explosion-Proof Micro Switch


Key Technical Specifications:

Normal Working Conditions:

   o Ambient Temperature: (-20~40)℃

   o Working Temperature: (-25~70)℃

   o Relative Humidity: ≤95% at 25℃

   o Atmospheric Pressure: (80–110) kPa

   o Altitude: ≤2000 m

   o Suitable for explosive gas atmospheres (ⅡA, ⅡB, ⅡC) and coal mines (without corrosive gases or steam)

   o No significant vibration or shock

Electrical Parameters:

   o Working Voltage: ≤250V

   o Working Current: ≤2A AC/0.5A DC

   o Working Power: ≤250W/VA

   o Switch Travel: ≤0.1mm

   o Switch Actuation Force: ≤200g

Protection:

   o Vibration Resistance: <20 m/s²

   o Explosion-Proof Housing: Copper H62 casing, IP54 protection, sealed with epoxy resin

   o Switch Push Rod: Should be vertically downward

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