[series]: LA19 series[model]: LA19-11Aperture: diameter 25MM[type]: flat head reset button: Green RedOverall Size: 30×39×59mmMounting Hole Size: 25mmOperation Type: MomentaryContact Configuration: 1NO1NCRated Load: 5A/380VButton Material: PlasticBody Material: PlasticBase Material: PlasticContact Material: CopperBody Colour: Black,BlueTerminal Type: Screw ( four Terminals )Operation Temperature: -25°C ~ +55°CMechanicla Life: one million timesElectrical Life: 300 ,000 times