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Spec Sheet  Install Manual

Intermatic EK4736S NightFox™ Top Lens Stem and Swivel Mount Electronic Photocontrol, 120-277 V

NightFox™ electronic photocontrols permanently install on outdoor electrical boxes or outdoor lighting fixtures. Ideal for LED fixtures with long-life expectations. ½”-14 NPSM threaded stem fits standard outlet boxes and wall packs with a minimum installation hole size of 7/8” diameter. Come with 9" wire leads.

Features:

  • 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 multifixture HID and LED installations (up to 1,650 W @ 277 VAC)
  • 255 J MOV surge protection element
  • 1?2"-14 NPSM threaded stem fits standard outlet boxes and wall packs for a minimum installation hole size of 7/8 inch diameter
  • #18 AWG wire leads

Applications:

  • Outdoor Lighting Control

Specifications:

Input Voltage Range(s) 120-277 VAC, 50/60 Hz Usage Environments Outdoor
Electronic Ballast 6 A, 120 VAC, 50 Hz, 6 A, 120 VAC, 60 Hz, 6 A, 208 VAC, 50 Hz, 6 A, 208 VAC, 60 Hz, 6 A, 240 VAC, 50 Hz, 6 A, 240 VAC, 60 Hz, 6 A, 277 VAC, 50 Hz, 6 A, 277 VAC, 60 Hz Photocontrol Style Stem and Swivel Mount
Surge Protection Technology 255 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 6 A, 120-277 VAC, 50/60 Hz Fail Mode ON
Housing Material Polycarbonate Photo Control Switch Type Relay
Photocell Type Silicon Diode Photocontrol Sensor Location Top
Photocontrol Type Electronic RoHS Certification Yes
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) 5 5/8 Product Height (mm) 142.9
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) 0.28 Unit Carton Width (in) 3

General
Model Number EK4736S
Description NightFox™ Top Lens Stem and Swivel Mount Electronic Photocontrol, 120-277 V
UPC Code 078275146310
Brand Intermatic
Country of Origin (Intermatic) MEXICO
Warranty Period 8-Year limited
Usage Environments Outdoor
Photocontrol Type Electronic
Expected Lifetime (Years) 15
Expected Lifetime (Operations) 10000
Application Compatibilities LED; Incandescent; HID
Photocontrol Style Stem and Swivel Mount
Photocontrol Sensor Location Top

Control Specifications
Sensor Time Delay Instant ON; 2 sec to 5 sec OFF
Photocell Type Silicon Diode
Photo Control Switch Type Relay
Fail Mode ON
Activation On 1.5 fc
Activation Off 4.5 fc

Product Height (in) 5 5/8
Product Height (mm) 142.9
Product Width (in) 1 5/16
Product Width (mm) 33.3
Product Depth (in) 1 1/4
Product Depth (mm) 31.8
Wire Lead Length (in) 6
Wire Lead Length (mm) 152
Wire Size Max #18 AWG

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