Tridonic emergency light LED-Driver EM powerLED ST FX 103 SR NiCd 45W 50V
Lighting-Gallery.net - Lamps and Fixtures out and about/Remnants of an old emergency lighting system (50v GLS lamps)
Best Lighting Products Constant-Current Emergency LED Driver 14-50V 350Ma (BLEDEM-CC-1450/350-CEC)
Inovec Trading - Tridonic EMconverterLED Series Emergency Battery Kits 50V for LED modules with a forward voltage of 10-54V. 250V for LED modules with a farward voltage of 50-250V. Battery-NiCd, NiMH &