EK4236S NightFox Stem and Swivel Mount 120 - 277 V. LED Electronic Photocontrol
NightFox EK4236S Intermatic  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.
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
Specs:
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    
Wiring Option    Wire leads
Housing Material    Polycarbonate    
Warranty Period    8-Year limited
Application Compatibilities    HID, Incandescent, LED    
Activation Off    4.5 fc
Activation On    1.5 fc    
Ballast Fluorescent    1800 VA
Ballast Fluorescent Ranges    1800 VA    
Cover Color    Gray
Electronic Ballast Load Ratings Ranges    6 A, 120-277 VAC, 50/60 Hz    
Fail Mode    ON
Photo Control Switch Type    Relay    
Photocell Type    Silicon Diode
Photocontrol Sensor Location    Side    
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,    Max (°F)    158
Operating Temperature Min (°C) -40     Min (°F)    -40
Product Depth (in)    1 1/4    or  31.8 mm
Product Height (in)    5 5/8 or 142.9 mm
Product Width (in)    1 5/16 or 33.3 mm