Sodium lamp E27 | 50W | 2000K | 3700lm | Osram

Technical Specifications
Rated power: 50 W
Actual power: 53.6 W
Rated voltage: 85 V
Rated current: 0.77 A
Ignition voltage: 1.8–5.0 kVp
Power supply: with conventional control gear (CCG) and ignitor
PFC capacitor: 10 µF / 50 Hz
Luminous flux: 3700 lm
Luminous efficacy: 69 lm/W
Color temperature: 2000 K (warm orange light)
Color rendering index (CRI): ≤25
Dimmable: yes
Light color: 220
Length: 155 mm
Diameter: 71 mm
Weight: 50 g
Base: E27
Average service life: up to 28,000 h (B50)
B10: 13,000 h
B5: 9,000 h
Lamp lumen maintenance factor (LLMF): 0.80 (after 20,000 h)
Permissible bulb temperature: up to 310 °C
Permissible cap-edge temperature: up to 210 °C
Lifetime (with ~11 h/day use): about 3 years
Mercury content: 10.8 mg
Energy class: G
Energy consumption: 54 kWh/1000 h

Functions

Highly efficient lighting with warm orange color – ensures good night visibility.

Suitable for use in open and closed luminaires.

Reliable ignition with proper ignitor.

Dimmable – adjustable light intensity.

Applications

Street and road lighting – efficient solution for urban and suburban streets.

Outdoor areas – yards, parks, parking lots.

Industrial facilities – factories, warehouses, loading areas.

Commercial buildings – logistics centers, large retail areas.

Pros

High luminous flux (3700 lm) and good efficiency.

Very long service life – up to 28,000 h.

Reliable operation with proper CCG and ignitor.

Suitable for both open and closed luminaires.

Dimmable – adjustable energy consumption and light level.

Cons

Low color rendering index (Ra ≤25).

Contains mercury – requires special disposal.

Energy class G – not very efficient compared to LED under the new classification.