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This NSi Industries ELC74 digital time switch accepts 24/120/208-240/277 VAC input and its SPDT output contacts can activate a 20 amp load or 2 hp motor on each of its four channels. This multipurpose timer includes 128 pairs of time-based on/off cycles and 32 sensor-driven cycles, has a minimum cycle time of one minute, and is suitable for individualized daily operation. A rechargeable super capacitor and lithium battery provide up to a year of backup power to maintain time and schedule settings. This timer can adjust for daylight saving time and leap year and compensate for sunrise and sunset variation based on Earth's latitude, and is computer programmable. The single-pole double-throw (SPDT) contacts are housed within a Noryl plastic alloy enclosure that meets NEMA-3R standards for water resistance and has a lockable hasp. The enclosure is suitable for both indoor and outdoor use and mounts to an external surface. This digital timer is Underwriter Laboratories (UL) Listed for quality assurance and is suitable for controlling lighting, heaters, and equipment motors.SpecificationsSwitch typeDigital 365-day, 24-hour timer with 128 unique set points each day, 32 sensor-driven cycles. Four channel operation.Input power supply24/120/208-240/277 VAC, 50/60 Hz, 10 W power consumption, rechargeable super capacitor backup, battery backupOutput contactsSPDT contacts, 20 amp load rating, 2 hp motor load rating, momentary contact-capableOn/off controlOne-minute minimum on/off cycle, 128 time-based cycles and 32 sensor-driven cycles each day, 26 holiday settingsEnclosureNEMA-3R Noryl plastic alloy enclosure with clear Lexan cover, indoor/outdoor use, external surface mountTerminal wire size ra