The ET8415CR 4-circuit 7-day Astronomic time switch features independent 7-day programming to provide flexibility for applications where load switching differs each day of the week. This time switch provides to-the-minute programming, 28 ON/28 OFF (56 events) which can be applied to any combination of circuits and days, 100-hour Supercap backup for power loss, and automatic daylight saving time corrections without the need of user interaction. This time switch is housed in a lockable type 3R enclosure to protect from vandalism and unauthorized tampering. They come in standard 7-day astronomic versions. Features: Auto-voltage operation from 120-277 VACUp to 56 fixed events and 8 Astronomic events that can be combinedAllows independent dusk/dawn settings for each circuitTemporary override or permanent manual overrideAutomatic Daylight Saving Time adjustmentConfigurable outputs allow the control of various voltages and applications100-hour supercapacitor eliminates the need for batteries Specifications: Manufacturer: IntermaticManufacturer Part Number: ET8415CRProduct Type: Astronomic Time SwitchVoltage Rating: 120/277 VVoltage Selection: AutomaticCountdown Timer: 7-DayBackup Power: 100-Hour SupercapEnclosure: Lockable 3RDimensions: 9.9" x 6.85" x 4.05"Weight: 6.0 lb. Catalog Page Installation Manual