Lutron QSN-4T20-S Energi Savr Node for 0–10 V, Control Unit, 120-277V
Energi Savr Node, Four occupancy sensor inputs for automated control of loads in 4 zones. Four daylight sensor inputs automatically adjust light levels based on natural light availability. Four IR receiver inputs for personal control. Four inputs for IEC PELV , NEC° Class 2 dry-contact switches.