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Osram Nav T 250w HPS Lamp

Original price $66.50 - Original price $66.50
Original price
$66.50 - $66.50
Current price $66.50

Osram is one of the world's leading manufactures of lighting with a history dating back more than 100 years. Quality and reliability are synonymous with the brand Osram. 

VIALOX NAV-T SUPER 4Y | High-pressure sodium vapour lamps for open and enclosed luminaries.

Electrical data:

Nominal wattage 250.00 W

Rated wattage 267.40 W

Lamp current 2.95 A

Nominal voltage 100 V

Ignition voltage 3.3 kVp;5.0 kVp 1)

Nominal current 2.95 A

Photometrical data:

Rated luminous flux 33200 lm

Color rendering index Ra ‰¤25

Color temperature 2000 K

Rated LLMF at 20,000 h 0.94

Nominal luminous flux 33200 lm

Rated color temperature 2000 K

Luminous flux 33200 lm

Dimensions & weight:

Diameter 47.0 mm

Length 257.0 mm

Light center length (LCL) 158.0 mm

Product weight 135.00 g

Outer bulb T46

Overall length 257.0 mm

Temperatures & operating conditions:

Maximum permitted outer bulb temperature 400 °C

Maximum permitted base edge temperature 250 °C


Lifespan B50 36000 h

Lifespan B10 24000 h

Lifespan B5 20000 h

Additional product data:

Base (standard designation) E40

Product remark Important: Before replacing for NAV Standard lamps

in existing installations, check that the igniters are


Design / version clear

System guarantee level 3 (2/5)

Mercury content 21.6 mg

Appropriate disposal acc. to WEEE Yes

Mercury-free No


Dimmable Yes

Burning position Any

Enclosed luminaire required No

Certificates & standards:

Energy efficiency class E

Energy consumption 267 kWh/1000h