EW Series multipurpose control 7 day time switch. 1 Channel. SPST output dry contact. Applicable for outdoor signs, lighting security, heating and air conditioning. Scheduling: 20 on and off set points for individual programs for each day of the week. Minimum setting is 1 minute. Daylight saving: automatic (can be omitted). Leap year: automatic compensation. Manual override: until the next regularly scheduled on or off, automatic operation then resumes. Clock format: AM/PM. Power outage backup: permanent schedule retention. Supercapacitor provides 4 days of real time backup. Momentary option: configure with simple jumper change for single-channel momentary operation. Timing accuracy: line frequency. Input voltage: 120 – 277 VAC, 50/60Hz (automatic detection). Terminal range: #8 – #16 AWG. Operating temperature: -40 to +149 degrees. Power consumption: 6 VA maximum. Enclosure: plastic indoor/outdoor NEMA 3R.