We are looking for suppliers of right type of fluorescent lamp.

Light must be of 18W to 24 V DC type, they must be batten light with standard T8 tube.

Sample of lights of be send by the bidder for approval, all light supplied must of the same type.

Luminous yield of the total ballast and fluorescent lamp system must be at least 50 lumens watt within 15 minutes warm up time.

The lamp should have a preheating circuit for extending lifetime.

Reduction in the output reference lumen must not exceed 20% after 2000 hours running.

Life expectancy of the inverter must be at least 6000 hours.

Ballasts must ensure safe and regulated ignition within 2 seconds in the voltage range from 20.6 to 30V over –5 oC to +40oC.

Electrical efficiency of the lamp, ballast and tube combined must be 90% in the voltage range from 20.6 to 30V.

The lamp must be protected against reverse polarity.

The lamp must be operational at an ambient temperature range of –5 oC to +40oC.

The following minimum information must be included in the label of the lamp :

- Brand name and model.
- PV company name.
- Nominal power in watt.
- Permitted tube sizes in watt.
- Nominal voltage in volt in ampere if applicable.
- Fluorescent lamp must include reflector to increase ground lighting.

Keywords: wholesale indoor lighting, fluorescent lamps