Description
NSI TORK® Lighting Control Time Switch, 1-Phase Astronomic, Series: DGU Series, Operation Mode: On/Off, 120 to 277 V AC, 2 Pole, 1 Channels, 1 Form C SPDT Contact Form, 7 days Time Setting, Digital Display, NEMA 1 Enclosure, -31 to 131 deg F, Threaded Mounting, 4.687 in L x 2.937 in W x 7.937 in H Dimensions
Features:
- Scheduling 56 ON and OFF set points provide individual programs for each day of the week, minimum setting is 1 min
- Sunset astronomic adjusts daily to changes in sunset times
- Adjustable 10 to 60 deg northern or southern latitudes, can be individually offset +/- 1 to 240 min from both sunset and sunrise times
- Photosensor input unique push button setup assures accurate operation with automatic calibration that adjusts for wire size and distance
- Light level activation turn ON is user settable from 1 to 100 FC, turn OFF is a maximum of 2 times turn ON level, each channel has an independent setting
- Remote override on each channel has independent input for a maintained dry contact closure
- Manual override until the next regularly scheduled ON-OFF automatic operation then resumes
- Momentary contact 2 sec contact closure ON and OFF to control mechanically held contactors or latching relays
- Block 9 holiday blocks can be set for individual days or for duration of any number of days
- Daylight saving automatic adjustment (can be omitted)
- Leap year automatic compensation
- Clock format AM/PM or 24 hr
- Power outage backup permanent schedule retention, super capacitor provides 7 days of real time backup
- Inrush current limiting technology protects relay contacts for extended life with zero cross type switching
Applications:
Interior Lightings, Open Office Zoning, Hallways, Meeting and Sales Areas, Stock Rooms and Warehouses and Exterior Lighting, Signage and Store Windows, Security and Parking Lots Applications
Standards/Approval:
- cULus Listed
- Title 24 Compliant
- UL 916
- ASHRAE 90.1
