Switching Power Module The Switching Power Module family is a group of modular products for the control of lighting loads. This product is compatible with Lutron® HomeWorks® QS systems only. This document describes the following product: • LQSE-4S1-D: 4-zone power module for switching only. Features • Adaptive zero-cross switching maximizes relay life. Activity adapts to variations in relay timing. • Rated for lighting loads as defined by IEC/EN 60669, NEMA 410, as well as INC, MLV, and ELV. • Includes QS link for seamless connection to a HomeWorks® QS system. • LEDs on the module provide diagnostic information. • Buttons on module provide load override control. • Manual Override Contact Closure Input (CCI). • Contact Closure Output (CCO). • Power failure memory.