Intermatic EK4035S NightFox™ Button Electronic Photocontrol, 480 V

IntermaticSKU: EK4035S

Sale price $27.06
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Specifications | Instructions

NightFox™ electronic photocontrols permanently install on outdoor electrical boxes, in-wall boxes or outdoor lighting fixtures. Ideal for LED fixtures with long-life expectations. Mounts internally to an enclosure with a minimum installation hole size of 5/8” diameter. Comes with 9" wire leads.


  • Non-drift silicon light sensor with IR filter
  • DC relay with zero-crossing circuitry for extended life
  • Conformal coated PCB
  • 15-year design life
  • Exceeds 10,000 ON/OFF switching cycles
  • Fail ON mode
  • Ideal for single or multi fixture HID and LED installations
  • 220J MOV surge protection element
  • Mounts internally to enclosure.
  • Features 3/8" - 18 NPSM thread for a minimum installation hole size of 5/8 inch diameter


  • Outdoor Lighting Control


Input Voltage Range(s) 480 VAC, 50/60 Hz Usage Environments Outdoor
Electronic Ballast 0.35 A (Tested with 150 W 480 V LED driver with 120 Apk /100µs In-rush current) Photocontrol Style Button
Surge Protection Technology 220 J MOV, 5,000 A Surge Warranty Period 8-Year limited
Wiring Option Wire leads Application Compatibilities HID, Incandescent, LED
Activation Off 4.5 fc Activation On 1.5 fc
Ballast Fluorescent 1800 VA Ballast Fluorescent Ranges 1800 VA
Category Fixed Mount Electronic Photocontrols Web Cover Color Gray
Electronic Ballast Load Ratings Ranges 0.35 A (Tested with 150 W 480 V LED driver with 120 Apk /100µs In-rush current) Fail Mode ON
Housing Material Polycarbonate Photo Control Switch Type Relay
Photocell Type Silicon Diode Photocontrol Sensor Location Front
Photocontrol Type Electronic RoHS Certification No
Sensor Time Delay Instant ON; 2 sec to 5 sec OFF Tungsten (NO) 1000 W
Tungsten Range(s) 1000 W Wire Size Max #18 AWG
Operating Temperature Max (°C) 70 Operating Temperature Max (°F) 158
Operating Temperature Min (°C) -40 Operating Temperature Min (°F) -40
Product Depth (in) 1 1/4 Product Depth (mm) 31.8
Product Height (in) 2 1/4 Product Height (mm) 57.2
Product Width (in) 1 5/16 Product Width (mm) 33.3
Unit Carton Height (in) 4.875 Unit Carton Length (in) 1.75
Unit Carton Weight (lb) 0.196 Unit Carton Width (in) 3

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