Osram OT50W/CS1400C/UNV/SD/L Constant Current Step-Dimmable LED Driver, 21-50VDC - Amazon.com
OT 50/220…240/24 P
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Optotronic OT 50 220V 24V Led, Osram - Svetila.com
Osram LED Driver OT 50/220-240/10 E UNV1 4008321362452: Amazon.de: DIY & Tools
OT 50/220-240/24 | Osram LED Driver, 24V Output, 50W Output, Constant Voltage | RS