Sodium lamp E40 | 250W | 100V | 2000K | 30000lm | Thorgeon

Technical Specifications

Power: 250 W
Base: E40
Lamp shape: Tubular
Bulb coating: clear
Nominal current: 3 A
Operating voltage (min/nom/max): 85 V / 100 V / 115 V
Ignition voltage (max): 198 V
Ignition peak voltage (max): 2800 V
Ignition time: ≤ 5 s
Color temperature: ~2200 K
Luminous flux: 30,000 lm
Luminous efficacy: 120 lm/W
Color rendering (CRI): 21 IRC
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 – 95%; 5000 h – 98%; 10,000 h – 92%; 12,000 h – 96%
Warm-up time to full brightness: ~5 min
Operating position: universal
Energy consumption: 275 kWh / 1000 h
Max. permissible temperature: bulb 450 °C, base 250 °C
Dimensions: Ø47 mm × 254 mm
Weight: 0.135 kg
System: external ignitor

Functions

High luminous efficacy – ensures lower energy consumption compared to other sources.

Long service life.

Warm light (2200 K) – suitable for public spaces, street lighting, greenhouses.

Reliable ignition – works with an external ignitor, lights up within seconds.

Universal mounting – can be used in any position.

Load resistance – stable performance at high temperatures.

Applications

Public lighting: streets, parking lots, parks.

Industry and logistics: warehouses, factories, workshops.

Agriculture: greenhouse lighting.

Sports infrastructure: stadiums, training fields.

Commercial spaces: shopping and logistics centers.

Pros

High luminous efficiency.

Long service life.

Warm, amber light provides good visibility and eye comfort.

Universal mounting.

Reliable even under intensive use.

Cons

Requires an external ignitor.

Low color rendering index (CRI 21).

Warm-up time to full brightness – about 5 minutes.