CirKits.com DAS1 Features and Specifications

• Features
  • Designed for automatic on-at-dark lighting systems.
  • Three modes: Off, Always-On and On-At-Dark (Auto).
  • Useful for stationary, portable, auto and marine lighting systems.
  • Operates from 12V solar systems, DC power supplies and automotive power systems.
  • Controls Incandescent, LED and Fluorescent lamps and other DC loads.
  • Designed to operate in companion with the CirKits SCC3 solar charge controller.
  • Common Negative Ground between 12V power source and external lamp(s).
  • Low Voltage Disconnect (LVD) circuit, shuts lights off to protect empty battery.
  • Circuit hysteresis prevents light flicker at dusk and dawn.
  • Reliable and efficient all solid-state circuitry.
  • Built-in fuse for short circuit protection.
  • Reverse supply connection blows the fuse, the electronics are protected.
  • Radio quiet, will not interfere with radio systems.
  • High voltage transient protection on DC input for limited lightning protection.
  • Simple 4 screw connector will accept spade lugs or wires for attaching a power source and external lamp(s).
  • Miniature 2 screw connector for connection of the light sensor.
  • Light sensor can be mounted on-board or remotely.

• Controls and Indicators
  • Three way On/Off/Auto (On-At-Dark) toggle switch.
  • Dual high-intensity white LEDs provide an on-board light source.
  • Dark Turn-On adjustment trimmer pot.
  • Low Voltage Disconnect adjustment trimmer pot.

• Specifications
  • Supply Voltage: 12V (nominal).
  • External lamp voltage: 12V DC (nominal).
  • External lamp current: 0 to 10 Amps DC.
  • On/Auto-Night current with white LEDs on and no external lamps: 27mA @12.8VDC.
  • Auto-Day current with lamps off: 5mA DC @12.8VDC
  • Off current: <10 microamps
  • Fuse Rating: 10 Amp standard ATO automotive fuse.
  • Board Dimensions: 3.5" wide by 3.0" deep by 0.95" tall.
  • Fits into a standard 4" X 4" electrical utility box, can be mounted on the cover plate.
  • Board Mounts: 4X 4-40 screws on 1/4" spacers.
  • Assembled Weight: approximately 60 grams (2oz).