50hz60hz voltage u bolt emergency stop

{"cid":"91224564","title":"Emergency Stop ubolt Compatible with 50HZ60HZ Voltage Industrial Devices Ensuring Secure Operation and Safety Compliance","imgUrl":"https:\/\/img.chinax.com\/nimg\/68\/ff\/92fd50b0fb7d9e9fee63d13f2a8b-200x200-1.jpg","attrs":{"Brand Name":"Heling Machine","Model Number":"M12-600","Minimum Order Quantity":"1","Machinedimensions":"M6-M12,100MM-600MM","Safetyfeatures":"Emergency Stop, Safety Guards","Core Components":"Bearing, Motor, Pump","Machinetype":"Automatic","Motorpower":"22 KW","Place Of Origin":"China","Productioncapacity":"35-45pieces Per Minute","Power Supply":"220V \/ 380V","Precision":"\u00b10.1 Mm"}}