Single Swing-Arm Dock Light

Tri Lite’s Single Swing-Arm loading dock light combines the strength of a standard dock light arm with the flexibility of a dual-axis hinge to create a versatile and durable product. It can withstand most blows from a fork lift or dock door.

  • Knuckle joint allows for easy horizontal and vertical positioning
  • Durable design and construction reduces maintenance and replacement costs
  • Lamp cover included
  • Bulb included unless otherwise noted
  • UL and cUL Listed
  • Many 220/240V models available for international applications
  • Designed and assembled in the USA
Part NumbersLamp TypeLamp HeadLamp Length
SDL24-HDLEDLED Module (included)Heavy Duty Cast Aluminum24-inch
SDL40-HDLEDLED Module (included)Heavy Duty Cast Aluminum40-inch
SDL60-HDLEDLED Module (included)Heavy Duty Cast Aluminum60-inch
SDL24-ML1LED Module (included)Metal24-inch
SDL40-ML1LED Module (included)Metal40-inch
SDL60-ML1LED Module (included)Metal60-inch
SDL24-PL1LED Module (included)Polycarbonate24-inch
SDL40-PL1LED Module (included)Polycarbonate40-inch
SDL60-PL1LED Module (included)Polycarbonate60-inch
SDL24-PLEDPAR38 LED (included)Polycarbonate24-inch
SDL40-PLEDPAR38 LED (included)Polycarbonate40-inch
SDL60-PLEDPAR38 LED (included)Polycarbonate60-inch
SDLHPS24-PHigh Pressure Sodium (bulb included)Polycarbonate24-inch
SDLHPS40-PHigh Pressure Sodium (bulb included)Polycarbonate40-inch
SDLHPS60-PHigh Pressure Sodium (bulb included)Polycarbonate60-inch
SDLHPS24-PFS**High Pressure Sodium (bulb included)Polycarbonate24-inch
SDLHPS40-PFS**High Pressure Sodium (bulb included)Polycarbonate40-inch
SDLHPS60-PFS**High Pressure Sodium (bulb included)Polycarbonate60-inch
* Bulb not included.
** Model supplied with clear polycarbonate lens and diffuser for food service and pharmaceutical use.
SDL Series Dock Light Product Information SheetDownload
Loading Dock Lighting Systems BrochureDownload
LED Verladeleuchten für Laderampen (Deutsch)Download
Variantes de Bras de Station (Français)Download
Dock Arm Parts BreakdownDownload
Dock Light Installation SheetDownload
Dock Light Architectural DrawingsDownload
Loading Dock Lights with LED Module Installation Instructions (English/French)Download

Special Features

Swing Hinge

Swing Hinge Dock Light Arm

“Swing” dock lights feature a hinge that allows both vertical and horizontal adjustment of the arm.

Flex Head

Flex Arm Dock Light
Flex dock lights combine the strength of a standard dock light arm with the added flexibility of an impact absorber that bends the head away when bumped by a moving forklift or dock door.

Heavy Duty

Heavy Duty Dock Light
Heavy duty lamp heads are designed for the most demanding environments including wet and damp locations. Their rugged cast aluminum housing includes a shatterproof polycarbonate lens cover.


Fan Only Dock Light

Fans can be used separately or in conjunction with many Tri Lite dock light heads. The high capacity 3-speed fan provides air circulation and cooling throughout the trailer. 18″ fan rated for 3000 cfm.

Loading Dock Light Heads

Heavy Duty Lamp Head (HLED)

Heavy Duty Lamp Head (HLED)
Virtually indestructible! The HDLED has a cast aluminum body designed for the most demanding environments including wet and damp locations.

Metal Lamp Head

Metal Lamp Head
Traditional, powder coated metal light head featuring all steel construction for long life.

Polycarbonate Lamp Head

Polycarbonate Lamp Head
Unique, patented polycarbonate head is rugged and economical, it’s our most popular lamp head!

Arm Type

Single Strut Arm

Single Strut Arm

Single Struct arms are an economical lighting solution for low to mid volume loading docks. The arm features a hinge that allows both vertical and horizontal adjustment of the arm.

Double Strut Arm

Dual struts give this arm the strength to survive in the busiest and most demanding warehouses. The dual strut design will also support a fan or light/fan combination.
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