The Osram Nav-T Super series.
Nav-T Super high-pressure sodium lamps are suitable for both open and enclosed luminaires and score points with their extremely high luminous efficacy. It is a pure flower lamp, delivers 56500 lumens and surprises with an extra long life. Unlike other high pressure lamps, this bulb does not need to be changed every year, because the Nav-T Super has an average life of up to 32,000 hours!
The light spectrum of the bulb is perfect for flowering plants, because most of the light is between 550 and 700nm wavelength.
All important technical data of this lamp for plant cultivation:
Supply voltage: 200-420V
lamp voltage: 110V
Color temperature: 2000K
luminous flux: 56500 lumen
More info, please!
For all those who want to know more, the manufacturer's data sheet of the Osram Nav-T Super 400W Volt sodium vapor lamp can be found below.