400W HPSMH Electronic Ballast Power Output 250W 320W 400W and Super lumens. High power factor PF0.99 Low harmonic General harmonic THD 10. ULCUL listed.Features. Match HPS and MH lamps automatically. High light efficiency. Low power consumption. Constant power output Constant power and light output when voltage varies between -15-Plus15 of rating voltage. Protection functions Open circuit and short circuit protection.. Easy installation Easy to hang the lamp No need any external starter and compensation capacitor. Completely silent No humming and buzzing. Working temperature -10Degree C-Plus40Degree C. Approval UL CUL EMC RoHS. Dimension - 16 x 11 x 13 in.SpecificationsData is based on operating a standard 400W MHHPS lamp on a typical commercial 120V60Hz power supply.
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