Sodium lamp E40 | 400W | 100V | 2000K | 54800lm | Osram

Technical specifications

Rated power: 400 W
Rated voltage: 100 V
Rated current: 4.52 A
Ignition voltage: 4.0–5.0 kVp
Operating condition: with conventional ballast and ignitor
Compensating capacitor: 45 µF, 50 Hz
Lamp socket: E40
Luminous flux: 56,500 lm
Luminous efficacy: 136 lm/W
Color temperature: 2000 K (warm light)
Color rendering index (CRI): ≤25
Lumen maintenance (LLMF): >90% even after 12,000 h of operation
Service life (B50): up to 32,000 h
Dimensions: length 285 mm, diameter 47 mm
Weight: ~150 g
Max. bulb temperature: 400 °C
Max. cap temperature: 250 °C
Mercury content: 21.6 mg
Dimming: no
Mounting position: any
UV protection: none
Energy consumption: 417 kWh/1000 h

Functions

Emits a spectrum suitable for photosynthesis, optimized for plant growth and flowering.

Helps shorten growth cycles and regulate flowering time.

Ensures high luminous flux stability – >90% after 12,000 operating hours.

Suitable for both open and closed luminaire designs.

Can be used in various horticultural applications: vegetable growing, gardening, fruit cultivation.

Applications

Greenhouses and horticulture – for germination, vegetation, and flowering.

Fruit cultivation – provides optimal light energy for ripening.

Scientific research – in laboratories for photosynthesis and plant growth experiments.

Ornamental plants – for flowering control and growth acceleration.

Pros

High luminous flux (56,500 lm) with excellent efficiency.

Long service life (up to 32,000 h).

90% lumen maintenance even after thousands of hours.

Specially optimized light spectrum for plants.

Universal mounting – any position.

Cons

Not suitable for general indoor lighting.

Contains mercury – requires proper disposal.

Not dimmable.

Requires special ballast with ignitor.