| Item condition | New |
| Manufacture name | Sodium lamp 250W E40 SN-E THORGEON |
| Brand | THORGEON |
| Categories |
High pressure sodium-vapour lamps
E40 Light Bulbs E40 Sodium-vapour Lamps |
| Country of origin | CN |
| Harmonized System Code | 8539 3220 00 |
| Model | Frosted |
| Socket | E40 |
| Luminous flux | 30900 lm |
| Total length | 226 mm |
| Colour rendering index CRI | 20-39 |
| Diameter | 91 mm |
| Lamp efficacy | 120 lm/W |
| Lamp shape | Ellipsoid |
| External ballast required | Yes |
| Colour temperature | 2000 K |
| Lamp power | 250 W |
| Packing level 1 | 4751029893086 |
| Packing level 2 | 4751029893086 |
| Energy efficiency class | A |
| External ignitor required | Yes |
| Mercury-free | No |
| Lighting for plants | No |
| Replacement for mercury vapour lamp | No |
| Average nominal lifespan | 24000 h |
| Weighted energy consumption in 1000 hours | 286 kWh |
| Lamp designation | ED28 |