Robertson's Sterling Series family of Electronic, Multi-volt, Multi-Lamp, Energy Star-Compliant ballasts for Compact Fluorescent and Linear lamps has it all. In addition to meeting all the Energy Star requirements these ballasts also feature High Power Factor operation with less than 10% Total Harmonic Distortion for commercial applications. The Sterling Series offers great flexibility, quality, and value.

The Sterling Series includes models for Compact Fluorescent, Circular, Long Twin, and Linear T5 & T8 lamps. Many are available with dual entry color-coded, poke-in connectors. This feature offers the following benefits: Greater flexibility because the same ballast can be used for both side and bottom exits leads and provides faster, simpler installation and wiring accuracy.  In addition to dual entry connectors, these exceptional ballasts offer the following features:

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