① Push Button Code
② Design Serial Number
③ The Number Of NO Contact
④ The Number Of NC Contact
◐ Conventional Thermal Current : Ith 10A
◐ Contact Resistance : ≤50mΩ
◐ Insulation Resistance : ≥10mΩ
◐ Mechanical Durability : ≥100*104 times
◒ Ambient Air Temperature : -25℃ ~ +40℃
◒ Altitude : ≤2000m
◒ Relative Air Humidity : ≤90%
◒ Pollution Degree : Class 3
The Structure
It is composed of button cap, reset spring, fixed contact, movable contact, housing, pillar connecting rod, etc.
◀ Start Push Button : When the button cap is pressed down, the contact is closed. And the contact is automatically disconnected and reset after released.
◀ Stop Push Button : When the button cap is pushed down, the contact is separated, and it will be automatically closed and retrun back after released.
◀ Composite Push Button : When the button cap is pressed, the bridge type moving contact moves downward to disconnect the normally closed contact firstly and then to make the normally open one closed; When the cap is released, the normally open contact breaks and is reset firstly before the normally open contact is closed and reset.
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