OPTOTRONIC constant voltage LED power supplies are available in a variety sizes and are electronically stabilized.LEDVANCE LLC is an authorized distributor of Optotronic products in North America. OPTOTRONIC® CONSTANT VOLTAGE - 12VDC AND 24 VDC LED CONSTANT VOLTAGE POWER SUPPLIES - DIM AND NON-DIM Spec Sheet OPTOTRONIC® CONSTANT CURRENT INDOOR - LINEAR PROGRAMMABLE LED POWER SUPPLIES - 0-10V DIM Spec Sheet OPTOTRONIC® CONSTANT CURRENT INDOOR - LINEAR CURRENT SELECT LED POWER SUPPLIES - DIM AND NON-DIM Spec Sheet OPTOTRONIC® CONSTANT CURRENT INDOOR - LINEAR PROGRAMMABLE LED POWER SUPPLIES - DEXAL™ TECHNOLOGY DIM Spec Sheet OPTOTRONIC® CONSTANT CURRENT INDOOR - COMPACT PROGRAMMABLE LED POWER SUPPLIES - 0-10V DIM Spec Sheet OPTOTRONIC® CONSTANT CURRENT OUTDOOR - OUTDOOR PROGRAMMABLE LED POWER SUPPLIES - 0-10V DIM - IP66 Spec Sheet OPTOTRONIC® Constant Current Indoor - Linear Programmable LED Power Supplies - Step-DIM Spec Sheet