Outdoor Dusk to Dawn Photocell Sensor
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Outdoor Dusk to Dawn Photocell Sensor



Photocell / Dusk to Dawn Sensor by Intermatic

Stem and Swivel Mount Electronic Photocontrol

Save energy and add security to your building’s exterior.  Advanced photocell that keeps your fixtures on at night and off during the day.  Made in Mexico with an 8-year warranty, these are top of the line sensors built to last!  Install directly to fixtures with ½” knockouts and/or standard outlet boxes.  Stem and swivel mount allow for the perfect angle.  Gasket, nut, and light shield included.

Mount directly to our Prism swivel wall packs and compatible with all our outdoor fixtures when mounted to the outlet box.  Operate a single fixture or your outdoor series (up to 1,650 W @ 277 VAC)


Model: Intermatic NightFox EK4000 Series Swivel

Warranty: 8 Year 

Voltage: 110-277v

Certifications: UL, CSA, RoHS, CA Title 20, Ansi C136.24

Maximum Load: 700W @120v – 1,650W @ 277v

Surge Protection Element: 255 J MOV

Operating Temp: -40°F~158°F

Wire Leads: #18 AWG, 6” length

Activation Range: on = 1.5 fc / off = 4.5 fc

Dimensions: 1.25” x 5.6” x 1.3”

Photocell Type: Silicon Diode

Sensor Time Delay: Instant ON; 2 sec to 5 sec OFF

Color/Material: Gray/Polycarbonate



Non-drift silicon light sensor with IR filter

DC relay with zero-crossing circuitry for extended life

Conformal coated PCB

Exceeds 10,000 ON/OFF switching cycles

Fail ON mode

1/2"-14 NPSM threaded stem fits standard outlet boxes and wall packs






Shipping Policy

Same-day shipping on most orders before 2:00 p.m. All shipments are prepaid to the customer, freight is included in the price shown. PrimeLights guarantees product to arrive in brand new, undamaged condition. If shipping damages occur, please note with the shipper and contact our customer service immediately at support@primelights.com or 512-598-4961. PrimeLights will replace any product damaged in shipping with zero expense to the customer.

Return Policy

PrimeLights will accept returns within 30 days on unused stock products. Buyer will pay freight upon return if PrimeLights is not liable for miss-order. If PrimeLights is liable, PrimeLights will pay freight. If fixtures are used a restocking fee will be applied. Customer satisfaction is our priority and we’re happy to clear up any confusion and issues on the phone. No products will be accepted for return without prior authorization of seller.

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