40Mm Mushroom Head Push Button With Control Box type : XB240mm Mushroom-B184H29 place of origin : Zhejiang Province,China (Mainland) brand name : NIN material: plastic certificate: GB14048.5-2017 , CE ambient temperature : -25~55 IP rating : IP40, IP65 is available on request rated voltage : 125V 240V 250V 380V frequency range : AC 50-60HZ vibration resistance : =10g label : emergency stop remarks : latching key release