Photoelectric Dusk To Dawn Switch For Flush Mount Lights Auto On Off Photocell Module 120 Volt Fifty To Sixty Hz Four Point Two Amp Tungsten Five Hundred Watt 850 VA Ballast Five Eighth Inch Hole Mount Three Eighths Inch NPT Thread Replacement

Single unit dusk-to-dawn switch for flush-mount lights
✔️ 120VAC 50/60Hz; 4.2A; 500W tungsten; 16 mm hole; 9.5 mm NPT

This photoelectric dusk-to-dawn switch is a replacement photocell module for outdoor lighting. It’s commonly used in flush-mount fixtures on building exteriors, porches, signage, and security lighting to automatically switch lights on at dusk and off at dawn.

✅ Replaces existing photocells and auto-switches lights on at dusk and off at dawn
✅ Mounts in 5/8-inch hole (16 mm) with 3/8-inch NPT threading
✅ Rated 120VAC, 50/60Hz; 4.2A load; 500W tungsten; 850VA ballast
✅ Ambient operating range -40°C to +75°C, humidity up to 96%
✅ Power draw 1.5 VA max; 6500-cycle life; 140 mm color coded leads (Black LINE; Red LOAD; White NEUTRAL)

💡 What is a dusk-to-dawn photocell switch used for in outdoor lighting setups? Handy for auto lighting control that detects daylight and triggers fixtures accordingly. - Automates exterior lighting based on ambient light levels - Works with standard 120V circuits and common ballast types - Helps cut energy use and improve safety by ensuring lights are on after dusk and off at dawn