Touchstone Electronic Super Imposed Ignitor for HS lamps and HI lamps 70 to 400W. Standard version or with automatic switch-off. Compact in shape. Suitable for high pressure sodium lamps, metal halide lamps and ceramic discharge lamps. Phasing of the ignition voltage 60 to 90° and 240 to 270°. Fastening male nipple with pre-assembled washer and nut. Class I and II are for luminaries protection. Suitable for outdoor lighting.