Sylvania 51981 QHE1x250MH 208-277V

Description

Sylvania High Ef•Âciency 250W 208-277V Pulse Start Metal Halide Ballast Will Operate 250W M138/M153 PS HID Bulb Product Details Input Voltage 208-277V (1.32/0.99) Input Frequency: 50/60 Hz Lamp Frequency: 160Hz Square Wave Power Factor: >98% Low THD: DIM: (L) 7.6in x (W) 5.5in x (H) 1.5in Operates (1) 250W EX39 Ceramic/Pulse Start MH Lamp* Ansi Code M138,C153,C153 Spec Sheet Additional Information: Constant power regulation High power factor Low harmonic distortion Compact size and lightweight 90ºC case temperature UL, FCC QUICK 60+® warranty 120V auxillary circuit Low frequency square wave  Suitable for both quartz and ceramic lamps  Compliant with Energy Independence and Security Act of 2007 Application High bay Low bay Institutional Commercial Big box retail