NIGHTFOX EK Series 120-277V Top Lens Stem Mount Electronic Photocontrol
SKU: EK4736S
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Features
Specifications
NIGHTFOX EK Series Electronic Photocontrols are designed for permanent installation within outdoor-rated electrical enclosures, in-wall junction boxes, or lighting fixtures. This premium solution is suitable for use with high-efficiency, long-life LED luminaires. The unit mounts externally and requires a minimum enclosure aperture of 7/8" in diameter. Each control is equipped with 6" color-coded wire leads to ensure reliable and efficient installation.
- 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" diameter
- #18 AWG wire leads
| Brand | Intermatic |
|---|---|
| Date Added | Jul 29, 2026 |
| Store Location (Lititz, PA) | Aisle 09, Section C2 |
| Package Length (in) | 1.25" |
| Package Width (in) | 1.30" |
| Package Height (in) | 5.60" |
| Manufacturer Part Number | EK4736S |
| Input Voltage Ranges | 120-277 VAC, 50/60 Hz (Nominal Voltage) |
| Photocontrol Style | Stem and Swivel Mount |
| Activation Off | 4.5 fc |
| Activation On | 1.5 fc |
| Application Compatibilities | HID, Incandescent, LED |
| Color | Gray |
| Electronic Ballast Load Ratings | NO |
| Ranges | 6 A, 120-277 VAC |
| Fail Mode | ON |
| Housing Material | Polycarbonate |
| Magnetic Ballast Load Ratings | NO |
| Operating Voltage Ranges | 102-305 VAC |
| Other Certifications and Compatibilities | ANSI C136.24, Green Energy +, Title 20 |
| Photo Control Switch Type | Relay |
| Photocell Type | Silicon Diode |
| Photocontrol Sensor Location | Top |
| Photocontrol Type | Electronic |
| RoHS Certification | Y |
| Sensor Time Delay | Instant ON; 2 sec to 5 sec OFF |
| Stem Diameter | 1/2" |
| StemThread Size | 1/2" - 14 |
| Stem Thread Type | NPSM |
| Surge Protection Technology | 255 J MOV, 5,000 A Surge |
| Switch Type | SPST |
| Tungsten Incandescent Load Ratings | NO |
| UL Certification | cULus |
| Usage Environments | Outdoor |
| Warranty Period | 8-Year limited |
| Wire Size Max | #18 AWG |
| Wiring Option | Wire leads |
| Operating Temperature Max | 158°F |
| Operating Temperature Min | -40°F |