With automatic switch-off For high pressure sodium lamps (HS), metal halide lamps (HI) and ceramic discharge lamps (C-HI) Max. permitted casing temperature: 95 °C Screw terminals: 0.75–2.5 mm² Fastening: male nipple with pre-assembled washer and nut For luminaires of protection class I This pulse ignitor is only for use with ballasts that have a dedicated tapping, as this determines the size of the ignition voltage.