4-zone ESN for switching of lighting and motor loads. Features • Four switched output zones. • Adaptive zero-cross switching maximizes relay life. • Rated for lighting loads as defined by UL® 508, NEMA 410, as well as INC, MLV, and ELV. • Rated for motor loads of 1/3 HP. • Includes QS link for seamless connection to an Athena system. • LEDs on the module provide diagnostic information. • Buttons on module provide override control. • Emergency Contact Closure Input (CCI). • Programmable Contact Closure Output (CCO). • Power failure memory automatically returns the outputs to the levels they were set to prior to a power outage.