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Intermatic T51311BC - Presets and Carryover 120-Volt 7-Day Mechanical Time Switch with Nema 1 Indoor Cover

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120 VAC; SPDT switch - 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 - Separate clock motor terminals for switching circuits not on line voltage


Availability: In stock


Intermatic T51311BC - Presets and Carryover 120-Volt 7-Day Mechanical Time Switch with Nema 1 Indoor Cover

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Additional Information

Brochures & Specific Sheets

Stock Code T51311BC
Brand Intermatic
Family Mechanical Time Switches - 7 Day Dial
UPC 078275468078
Voltage (V) 120VAC
Amperage 15A
Amp Rating 15A
Wattage (w) 3 W
Width (in) 8 15⁄16"
Height (in) 12 7⁄8"
Depth (in.) 4"
Watts Tungsten 150W
Enclosure Rating NEMA 1
Motor: 1⁄2 HP, 125-250 VAC
Start Temp. (Min) -40º F (-40ºC)
Start Temp. (Max) 130°F (54°C)
UL Listed CSA , CSAus
Warranty 1-year limited
Notes For additional options and special quantity discounts, please contact our sales department 1-(855)-296-9508 x 101 or send email to

T50000B Series

7-Day Mechanical

These mechanical time switches enable dusk-to-dawn operations as well as dusk ON and fixed time OFF operations. These units come in either 2 or 3-circuit configurations and provide a carry-over of at least 16 hours in case of power outages, reducing maintenance. These time switches can handle up to 15 A of electrical loads per circuit, have separate terminals for powering the clock motor, and come equipped with a photocontrol.


• Exterior sign lighting • Facade lighting • Exterior lighting

• Other types of outdoor lighting


• Includes photocontrol initiated/time switch terminated control

• Enable different ON/OFF programs each day of the week

• Recommended for applications needing to turn a load ON at dusk and OFF at a preset time

• Minimum of 16-hour carry-over for maintaining preset schedules during power failures

• Carry-over automatically rewinds when power resumes

• Only one hour of rewinding time required for every two hours of power outage

• Light level adjustment

• Single pole double throw switches and manual circuit bypass switches

• Controls the contactor coil circuit only

• Type 1 rated indoor metal enclosure

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