Parameter items	300W	500W
Input voltage（V）	90-305Vac	90-305Vac
Power efficiency	95%	95%
Power factor	≥0.95	≥0.95
Surge lightning protection（V）	6000	6000
Total harmonic distortion	≤10%	≤10%
Luminous efficiency for led（lm/W）	220	220
Light efficacy for luminaire（lm/W）	180	180
Energy efficiency rating of lamp	Class 1	Class 1
Luminous flux of lamp（lm）	54000±5%	90000±5%
Correlated color temperature（K）	3000/4000/5000/6000	3000/4000/5000/6000
Color rendering index（Ra）	≥75	≥75
Beam angle（°）	60°/ 90°/ 120°	60°/ 90°/ 120°
Lifespan of led chip（h）	≥100,000	≥100,000
Working temperature（℃）	-35℃ - +50℃	-35℃ - +50℃
IP protection	IP66	IP66
IK protection	IK08	IK08
Installation mode of led driver	external	external
Dimensions（mm）	φ385*192	φ490*240
Weight（Kg）	4.0	5.5
Mounting mode	Ring/U-bracket	Ring/U-bracket
Warranty	5 year	5 year

Note：1. According to GB 30255-2026: the luminous efficacy of Class 1 energy-efficient luminaire is 170-180 lm/W; for Class 2, it is 145-155 lm/W; and for Class 3, it is 100-110 lm/W.

              2. Energy saving rate is compared with the conventional luminaire of class 3 energy efficiency rating.