Switching spark gap has the voltage range from 110V to 800V, can ... used for ignition purpose on the HID ballast,ect. Switching Spark Gap ZM86 2R400LNominal breakdown voltage400VInitial valuesFirst ignition valuesFollowing ignition valuesThereafter ... ~ +130 Weight~1.5gMarking, RedZM86 2R400L400-Nominal voltage 400V switching spark gap