Sodium lamp E40 | 400W | 100V | 2000K | 50000lm | Thorgeon

Technical Specifications

Power: 400 W
Base: E40
Lamp shape: cylindrical
Rated current: 4.6 A
Lamp voltage: min. 85 V | nom. 100 V | max. 115 V
Ignition voltage: max. 198 V
Peak ignition voltage: max. 2800 V
Ignition time: ≤ 5 s
Warm-up time: ~5 min
Luminous flux: 50,000 lm
Luminous efficacy: 125 lm/W
Color temperature: 2000–2200 K (warm amber light)
Color rendering index (CRI): 21
Lifetime: up to 5% failures – 12,000 h; up to 20% failures – 20,000 h; up to 50% failures – 28,000 h
PPF maintenance: 2000 h – 94%; 5000 h – 97%; 10,000 h – 88%; 12,000 h – 94%
Energy consumption: 431 kWh / 1000 h
Operating position: universal
Max. lamp temperature: 450 °C
Max. base temperature: 250 °C
Dimensions: Ø 47 mm | length 275 mm
Weight: 0.16 kg
System type: external ignitor

Features

Extremely powerful light output, suitable for large spaces.

Stable operation with external ignitor.

Warm amber light, well suited for plant growth (greenhouses).

Universal installation – can be used in any position.

Long service life.

Applications

Industry: warehouses, production facilities, logistics terminals.

Commercial areas: shopping center outdoor zones, parking lots.

Public sector: streets, parks, sports grounds.

Agriculture: greenhouse plant lighting.

Private use: large yards or territories.

Pros

High luminous flux (50,000 lm).

High luminous efficacy – 125 lm/W.

Long lifetime – up to 28,000 h.

Stable performance even after thousands of operating hours.

Universal installation and durable construction.

Cons

Longer warm-up time (~5 min).

Requires an external ignitor.

Low color rendering index (CRI 21) – poor color reproduction.

May overheat, good ventilation required.