Specification

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Energy Controls
T50000 Series
Timing Control Centers
The T50000 Series Timing Control Centers with carryover provide
photo control initiated/time switch terminated control. These switches
provide a different ON/OFF program each day of the week. They are
recommended for applications where the user needs to turn a load
ON at dusk and OFF at a preset time.
Features
• Provide control for 2 or 3 circuits
• Carryover of up to 16 hours to maintain accurate
load control in the event of power failure
• Carryover automatically rewinds when power resumes
• One hour of rewinding time for every two hours of power outage
• Light level adjustment is provided on the photo control
• Designed to control mechanically held contactor coil circuit only
• Manual circuit bypass switches
• Independent clock motor terminals
Ratings
Enclosure: Type 1
Knockouts: Combination
1
⁄2" -
3
⁄4" nominal
knockouts, two on back and one on
side, and two on bottom. One inch
on bottom
Switch Type: Single Pole Double Throw
Switch Rating: 15 Amp,
½ HP, 125/250 VAC
420 VA Pilot Duty;
150 W Tungsten, 125 VAC (May also
be used with 24 Volt systems if wired
in accordance with National Electrical
Code regulations)
Power Input: 5 Watts Maximum
Clock Motor and Photo Control: 120 VAC, 60 Hz
Operating Temperature: -40°F to 130°F (-40ºC to 54ºC)
Shipping Weight: 10 lbs. (4.5 kg)
Warranty: Limited 1 year
Model Number Switch Type Description
T51211BC SPDT Circuit A – Sunset, Photo Control ON – Preset Time Switch OFF
Circuit B – Sunset, Photo Control ON – Sunrise, Photo Control OFF
T51311BC SPDT Circuit A – Sunset, Photo Control ON – Preset Time Switch OFF
Circuit B – Sunset, Photo Control ON – Sunrise, Photo Control OFF
Circuit C – Preset Time Switch ON – Preset Time Switch OFF
T51211BC
T51311BC
T50000 Series
Electromechanical Time Switches