... and RoHS Certified *Constant (Cursor key, SMS input/output, SMS message input/output) ELC-6 Series Overview ELC-6 Series(Smart Relay ... incorporating digital IO, clock with calendar, counters , timers, and available in 120/240VAC or 12V/24VDC versions,Easy to ... systems, such as timer, counter, relay, etc, or simple control applications as building and parking lot lighting, access control, watering ...