The features of the Welthink series Grow light ballast,digital ballast.

• Run for HPS and MH lamps both.
• High power factorPF≥0.98
• Low harmonicGeneral harmonic THD≤ 10%
• High light efficiencyand energy saving.
• Low power consumption
• More lumens: 20-30% more lumens than magnetic ballasts
• Constant output of power: Constant output of power and light when voltage varies between  -15%~15% of rating voltage
• Protection functions: Open circuit and short circuit protection functions available.
• Easy installationEasy to hang the lamp, no need any external starter and compensation capacitor.
• Completely silent: no more humming and buzzing.
• Constant output of power when voltage fluctuate with no flickering
• No fans inside,water resistance and maintenance free operation.
• Soft starting
• Dimming function is option.
• Approval: UL,CUL, EMC, ROSH,CE,TUV.

Suitable Bulbs

400W, 600W, 1000W HPS/MH bulb of America and Europe standard

Electrical Performance of 400W

Dimension of 400W:

L: 78 in(308mm)  W: 24.60 in(97mm)  H: 34 in (135mm)

Electrical Performance of 600W

Dimension of 600W: 

L: 91 in(359mm)  W: 24.60 in(97mm)  H: 34 in (135mm)

Electrical Performance of 1000W

Dimension of 1000W:

L: 102 in(404mm)  W: 24.60 in(97mm)  H: 34 in (135mm)