Specification

Energy Controls
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ET8000 Series
ET8000 Series
7-Day Electronic Astronomic Time Switch
The ET8000 Series 7-Day Astronomic Time Switches feature
independent 7-Day programming to provide exibility for applications
where load switching differs each day of the week. These time switches
provide dependable and uncomplicated performance, plus to-the-minute
programming for accurate load control and reduced energy costs. Up to
28 ON/28 OFF (56 events) can be preset to automatically repeat. Each
event can be applied to any combo of circuits and days. Each circuit is
provided with an independently scheduled Astronomic ON event and
Astronomic OFF event. The program can be disabled at an time by
placing the time switch in the Manual operating mode. Control buttons
provide manual control of each circuit independently regardless of the
operating mode. All models come with two industrial-grade AAA alkaline
batteries to provide time keeping and automatic carryover for a minimum
of three years. The batteries are easily replaced in the eld without
requiring removal of the time switch mechanism or eld wiring. Each time
switch is housed in a lockable enclosure to protect from vandalism and
unauthorized tampering.
Features
• Program can be repeated on a weekly basis
• Multi-volt operation from 120-277 VAC, 50/60 Hz
• To-the-minute programming for accurate load control and reduced
energy costs
• Astronomic feature provides sunset ON and sunrise OFF settings to
eliminate the need for separate photo control devices
• Astronomic programming can be combined with independent
programs to provide a sunset ON and timed OFF program
• 2-circuit models are eld (jumper) congurable for: 2 independent out-
puts, DPST output, or 1 channel ON pulse OFF pulse output
• Up to 28 ON/28 OFF setpoints or events and 4 Astronomic events
• Dusk/Dawn Astronomic events can be distributed throughout the days
of the week
• Automatic Daylight Saving Time (DST) ON/OFF adjustment
(factory enabled)
• Non-volatile EEPROM memory protects programming indenitely
• Temporary override or permanent manual override available via control
buttons
Ratings
Enclosure Options: Standard: Type 1 Gray Painted Steel
R-Option: Type 3R Gray Painted Steel
PD82 Option: Type 3R Gray High-Impact
UV Resistant Polycarbonate Plastic with
Clear Cover
Knockouts: Combination ½" & ¾" Knockouts
Bottom: 2, Left: 1, Right: 1, Back: 1
Input Voltage: 120, 208, 240, or 277 VAC 50/60 Hz
Operating Temperature: -40°F to 155°F (-40°C to 68°C)
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