New units feature a power factor of up to 1. These are designed to go with specific lamp types, and meet CE, RoHS, UL and cUL standards.

Fits metal halide lamps, stage lights

Ether Power Electronics Technology Co. Ltd
Ether’s EP81500AC-F1 model suits 90 to 130V metal halide lamps and stage lights. It has ≥0.99 power factor. A cooling fan, constant power circuit, and power factor correction capacitor are built-in. Users may select between a digital and an analog dimming system. The unit runs on 198 to 264V at 47/63Hz and generates 1,500W. The CE- and RoHS-compliant ballast has open- and short-circuit protection. It measures 205x125x60mm.

≥0.95 power factor

Guangdong Jinli Electrical Appliance Co. Ltd
The model SK-YZ40 fluorescent lamp ballast from Guangdong Jinli provides ≥0.95 power factor. It operates up to three 20W or 40W lamps. The unit uses 220VAC at 50Hz and comes with a 2-year warranty.

For metal halide, HPS lamps

Huizhou Risen Lighting Co. Ltd
Huizhou Risen’s 85110 HPS/MH1000W-D E Ballast model can be used with metal halide and high-pressure sodium lamps, and grow lights. It has >0.99 power factor and less than 10 percent THD. The 1,000W ballast supports 15m lighting distance and manual 4-phase dimming. It requires 100 to 265VAC at 50/60Hz and works between -40 and 65 C. The unit meets UL and cUL guidelines. MOQ is 300 units.

T5/T8 fluorescent lamp ballast

Soben Electric Appliances Co. Ltd (Guangdong)
Soben offers the model TBE-237FS electric ballast that is designed for 14, 21, 24 or 28W T5, and 18, 25 or 32W T8 fluorescent lamps. Its power factor is ≥0.99 while THD is ≤10 percent. The product runs on 200 to 304V at 50/60Hz.

Lightweight metal body

Sontec Products Co. Ltd
The model ST-J118E 58W ballast from Sontec is lightweight and adopts metal for the housing. It allows warm or cold start-up. The unit is noiseless, flicker-free and is said to increase lamp service life by 50 percent. It complies with various European standards.

cULus-, cCSAus–certified fluorescent lamp electronic ballast

TOEC Technology Co. Ltd
TOEC’s model 2T554P120-MH electronic ballast operates T5/T8/T12 fluorescent lamps on 120, 120 to 277 and 347VAC at 50/60Hz. The cULus- and cCSAus–certified product supports instant, rapid and programmed start-up.