What Is Ballast Factor in Electronic Ballasts

Ballast factor is a number normally between 0.70 and 1.2. This number is a multiplier applied to the rated initial lumens of a fluorscent or HID light bulb. The result tells you how many lumens are actually delivered from the bulb-ballast system.

What is ballast factor?

A ballast factor is a number, typically between 0.70 and 1.2, that tells you how much light a lamp will emit with that ballast. … Ballast factor is calculated by dividing the lumen output of a lamp-ballast combination by the lumen output of the same lamp(s) on a reference ballast.

What is a high power factor ballast?

A high power ballast is one that delivers current to the fluorescent lamp in a more energy efficient manner than a lower power ballast.

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.

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