How to Buy

HMS Lowering Devices


The Holophane HMS Lowering Device System is designed for lighting in large areas such as roadways, port facilities, airports, water treatment plants, parking lots, rail yards and storage areas.

Choice of Luminaires: HMST, HMSD, HMSP, HMSC, Mongoose, Prismbeam or Predator luminaires may be clustered on the lowering device mounting ring in various combinations to provide customized lighting solutions.

Choice of Systems: Holophane provides many options in choosing a lowering device system. Top latching systems provide a high level of safety for personnel, equipment and public areas. Top latching also provides long life to the system by removing all weight from the raising and lowering components. Bottom latching systems are also available.

Additional system choices include self centering luminaire ring or non-centering ring, winch mounted in the pole and portable drive motor or motor mounted in the pole. Optional accessories include lighting protection, obstruction lighting and multiple circuit wiring.

Reliability: Holophane has provided lowering device systems for more than 30 years with over 40,000 systems installed worldwide. Holophane provides a single source for the complete high mast system including the lowering device, luminaires and pole, assuring component compatibility. Factory trained, field experienced technicians are available for installation assistance.

Product overview and specifications
Architectural Style Traditional
Brand Name Holophane
Environment Outdoor
Listings UL
Mounting Type Ground, Pole
Product Type Area Light
Series LD
Voltage Rating 120-277, 347-480
Spec Sheets
A summary of the performance and other technical characteristics of the product.
File Type Document Title View
LD05_pdf View
LD07_pdf View
LD08_pdf View
LD09_pdf View
LD15_pdf View
LD18_pdf View
LD25_pdf View
LD27_pdf View
LD28_pdf View
LD29_pdf View
Technical Files
Installation documents, building information models, etc.
File Type Document Title View
LD05_dwg View
LD07_dwg View
LD08_dwg View
LD09_dwg View
LD15_dwg View
LD18_dwg View
LD25_dwg View
LD27_dwg View
LD28_dwg View
LD29_dwg View
Download brochures, sell sheets, photometry files and other sales tools.
File Type Document Title View
LoweringDevices_pdf View