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We are a professional manufacturer of electronic ballast with good quality and reliable performance, OEM&ODM, customized order are available.

 UL/CUL listed, 120V~208V~240V, 277V,347V,400V,  210 watts, 315 watts low frequency square wave CMH/CDM ballast. 3 years warranty from manufacturer.

Electrical Performance

Data is based on operating PhilipsElite Agro 315W CMH Lamp. Supply power is

based on a typically commercial 120~ 240V/50Hz/60Hz. 

The features of the Welthink  315W CMH/CDM Electronic ballast .

•  Run for all Philips315W CMH Lamps
• Low frequency, square wave intelligent.
• Completely silent: no high pitched noise, no any humming and buzzing
• High power factor:PF≥0.99
• Low harmonic:General harmonic THD≤ 10%
• Internal RF shielding
• Soft start
• Dual input voltage(120V/208V/240V), 277V,347V available for choice.
• Constant output of power: Constant output of power and light when voltage, varies between  -15%~+15% of rating voltage
• Multi-aspect protection circuitry.
• Generator- ready
• Dimmable 210W~250W~280W~315W is available for choice
• Approval:CE, UL,CUL listed.