Intermatic NIGHTFOX EK Series Premium Button Mount Electronic Photocontrol (120-277 V), Model EK4036S
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The Intermatic NIGHTFOX electronic photocontrol switches outdoor lighting according to ambient light levels, making it suitable for single- or multi-fixture LED and HID installations. Its non-drift silicon sensor with IR filter and zero-crossing relay circuitry support reliable switching and extended service life. Internal mounting and 6-inch colour-coded wire leads simplify permanent installation in outdoor-rated electrical enclosures, in-wall junction boxes or lighting fixtures.
Specifications
| Photocontrol type and style | Electronic, button mount |
| Nominal input voltage | 120–277 VAC, 50/60 Hz |
| Operating voltage | 102–305 VAC |
| Compatible lighting | HID, incandescent and LED; single- or multi-fixture HID and LED installations up to 1,650 W at 277 VAC |
| Electronic ballast load rating (normally open) | 6 A, 120–277 VAC |
| Magnetic ballast load rating (normally open) | 1,800 VA |
| Tungsten incandescent load rating (normally open) | 1,000 W |
| Activation thresholds | ON: 1.5 fc; OFF: 4.5 fc |
| Sensor time delay | Instant ON; 2–5 seconds OFF |
| Light sensor | Non-drift silicon diode with IR filter; front-mounted sensor |
| Switching technology | DC relay with zero-crossing circuitry |
| Fail mode | ON |
| Surge protection | 255 J MOV; 5,000 A surge |
| Circuit board protection | Conformal-coated PCB |
| Design life | 15 years; exceeds 10,000 ON/OFF switching cycles |
| Mounting | Internal enclosure mounting; 3/8-inch–18 NPSM thread; minimum installation aperture: 5/8-inch diameter |
| Wiring | 6-inch colour-coded wire leads; maximum wire size: #18 AWG |
| Housing material and colour | Polycarbonate; grey |
| Usage environment | Outdoor; permanent installation within an enclosure, junction box or fixture |
| Operating temperature | −40 to 70 °C (−40 to 158 °F) |
| Dimensions (depth × height × width) | 1.25 × 2.25 × 1.313 inches (31.8 × 57.2 × 33.3 mm) |
| Certifications and compatibilities | cULus; RoHS; ANSI C136.24; Green Energy +; LED; Title 20 |
| Country of origin | Mexico |
| Warranty | 8-year limited |
| California Proposition 65 | DEHP. Please see the warning at www.P65Warnings.ca.gov. |
