



LED Street Light
Bright, Durable, Road‑Ready Lighting for Safer Streets
The ST‑H2100W delivers 14 000 lumens of crisp 5 000 K white light while cutting energy costs up to 60 % versus legacy HPS fixtures. Built to withstand extreme heat, coastal humidity, and continuous traffic vibration.
Typical applications include:
- State & county highways
- Municipal arterials and residential streets
- Campus and industrial park roadways
- Parking lot perimeters & walkways
- Ports, rail yards, logistics hubs
Why It Matters to Transportation Agencies & Property Owners
High Efficacy – 140 lm/W
Achieves roadway design levels with fewer fixtures and lower energy bills.
UL Listed & DLC Premium
Third party tested performance speeds permitting and unlocks utility rebates.
IP66 + 40 °F – 122 °F Operation
Sealed against dust, rain, and road spray; reliable from northern winters to desert summers.
0–10 V Dimming & NEMA Photocell Base
Ready for dusk to dawn control, adaptive lighting, or smart city nodes without modification.
Slim, Low EPA Housing
21.4″ × 11.5″ profile reduces wind loading, simplifying pole load calculations and retrofits.
10 Year Warranty
Backed by Constellation Lighting’s long term support and field proven driver design.
Technical Specifications
| Attribute | Value |
|---|---|
| Model | ST H2100W50DT (100 277 V) |
| Input Power | 100W |
| Total Lumens | 14 000 lm |
| Correlated CCT | 5 000 K |
| Optical Distribution | Type III (wide roadway) |
| Voltage Range | 100-277V |
| Dimming | 0–10 V standard |
| Photocell Receptacle | 3 pin, twist lock |
| Ingress Protection | IP66 |
| Operating Temp. | –40 °F to +122 °F |
| Housing | Die cast aluminum |
| Mounting | 2 3/8″ tenon slip fitter |
| Certifications | UL, DLC Premium, RoHS |
| Warranty | 10 year limited (L70 > 50 000 h) |
Why Constellation Lighting?
Proven Field Performance
Thousands of fixtures installed across DOT, municipal, and commercial projects with proven results.
Turn Key Photometric Layouts
Our lighting engineers provide AGi32 or Visual studies that meet IES RP 8 roadway standards.
Fast Lead Times
Stocked in our Houston warehouse for rapid shipment nationwide.
End to End Support
From submittals to commissioning, our team is available on site or remotely.
Installation & Maintenance
Simple Pole Top Swap Out
Fits standard 2 3/8″ tenons; no new arms required.
Tool Free Compartment Access
Quick tool free access to the internal compartment from the bottom access panel.
Future Proof Control Port
5 pin or 7 pin ANSI C136.41 options available for adaptive lighting networks.