Concrete Mixer Emergency Stop Button Switch Emergency stop switch is a kind of main control electrical appliances.The machine stops to operate once in a dangerous state by the emergency stop switch to cut off the power to protect personal and equipment safety.The emergency stop switch is usually a manually controlled press switch (the button is red), connected in series to the control circuit of the device, which is used to directly disconnect the power supply of the control circuit in case of emergency so as to stop the device quickly to avoid abnormal operation. 1.Waterproof and oil-proof, strong environmental adaptability 2.Can be connected in series, unified safety output 3.Smooth operation 4.High electrical conductivity 5.Long-lasting durabilityDurable Concrete Mixer Switch website:http://www.hwmparts.com/concrete-mixer-spare-parts/concrete-mixer-switch/