Data Sheet
IES File
Lighting Design Tool

40W Dusk to Dawn

Order Code: SL16543
DLC Model# SL3-040CA


Dusk to Dawn is a low profile, LED area lighting fixture, designed for long life and low maintenance. The fixtures are designed to quickly and easily upgrade existing area lighting fixtures. Twist lock photocell receptacle and 120-277V photocell included with the fixture.


The housing unit is constructed from heavy-duty, die cast aluminum. Fixtures are finished with a durable gray polyester powder coating. To ensure weather-tight protection and to keep out contaminants, each optical assembly is sealed with a silicone gasket. Each unit is rated for wet locations.


The Class II power supply has a range of 120-277V, 50/60 Hz. The high performance LEDs are rated up to 50,000 hours. 0-10V dimming capability is standard.


Fixtures can easily be installed in a wall mount application. Each fixture is supplied with an aluminum mounting arm with a 90° bend and all the associated hardware for pole mounting.


*Lumen maintenance data is based on LED testing per IESNA LM-80-08 and projected per IESNA TM-21-11

Product Performance
Lumen Output4100
Lumens per Watt103
Correlated Color Temperature (CCT)5000K
Color Rendering Index (CRI)74
Lumen Maintenance @50,000 hours*96%
Calculated L70 @ 25°C Ambient in Hours*380,000
Replaces HID Wattage100W MH, 175W MV
Operating Temperature Range-40°F to 104°F (-40°C to 40°C)
Physical Characteristics
Fixture ColorGray
Weight5.2 lbs
Line Drawing

Electrical Characteristics
Amperage Draw (Input Volts/Amps)120/0.35 208/0.20 240/0.18 277/0.16
Surge Protection10kA

Regulatory Qualifications
cULus Listed
DLC Qualified - Model# SL3-040CA
Rated for wet locations
Mounting kit is included with this product
SP12714 – 120-277V Surge Protector