BST28Z24 led solar street lamp
Technical Parameters:
Input voltage: DC24V
Input factor: 29W
Solar panel: according to different regions
Solar cell: free maintenance colloidal battery, 24V/80AH
LED quantities: 35PCS
Light extraction efficiency: 90%min.
Light luminous flux: 2100 Lm
Correlated color temperature: 5000K-5500K
Color rendering index: more than 71
Beam angle: 140 degrees
Installing height: 5M
Average illuminance: 17 Lx
Illuminance uniformity: 0.72
Working time: according to the customer’s requirements
Ambient environment: environment temperature: -40 degrees Celsius to 50 degrees Celsius; relative humidity: 10%-95%.
Temperature of junction (Tj): less than 70 degrees Celsius
Life span: more than 50000 hours
Protection rating: IP 65
Wind-proof ability: 33m/s (grades 12)
Body material: aluminum alloy of high thermal conductivity