GRX-4M-GC Lutron Grafik Eye 4Motor Group ControlleLutron GRX 4M GC Grafik Eye 3000 4000 4Motor Group Controller 110 127VAC 60Hz 20A Single Phase, Bi directional motor 5A 1 4HP per channel at 120VAC Description For use with GRAFIK Eye 3500 and 4500 Series Control Units. 4 channel AC motor controller that integrates seamlessly with GRAFIK Eye 3000 and 4000 lighting control systems. Wires directly into GRAFIK Eye communication link with no external interfaces. Provides capability to incorporate AC