4CR 4″ Cylinder – Round

Features

  • Slim profile for unobtrusive illumination
  • Parallel the performance and style of the Williams downlight collection
  • Superior optical control with beams as narrow as 8° and field changeable optics as wide as 70°
  • Complement the architectural elements of any space with a multitude of housing, trim and cord finishes
  • Comprehensive list of mounting options – pendant, cable, power cord, wall and ceiling
  • Ensure a simple and secure installation with TwistLock™ surface mount technology
  • Precision-engineered extruded aluminum housing and die-cast aluminum trim face for clean aesthetic
  • Variety of cord colors available in standard or braided for custom design
  • Open, flush, and regressed lens trim options
  • Reflectors create smooth, low-glare radiance
  • Deliver scalable, data-driven smart buildings with PoE-enabled fixtures and controls
  • Mimic the comfortable, welcoming glow of incandescent with warm-dimming technology
  • Buy American Act compliant
  • Wireless in-fixture control solutions available
  • Made Right Here® in the USA

Tools

Quantity Estimator

Estimate fixture quantities and light levels.

Product Builder

Configure fixtures and streamline the ordering process.

Use your zip code to find your local agent.

Specifications

Housing

Extruded aluminum with die-cast aluminum accent ring.

Finish

Polyester powder coat bonded to phosphate-free, multi-stage pretreated metal. All parts painted after fabrication to facilitate installation, increase efficiency, and inhibit corrosion.

Open Reflector

Low-iridescent anodized aluminum. Clear semi-specular finish standard.

Lensed Trim

Die-cast aluminum frame with micro-prismatic, acrylic lens.

Electrical

High-performance Class 2 C.O.B. LED array. Modular quick-connect plug for easy field-connection of LED light assembly to driver. Reported L70>55,000 hours. Reported L90 = 49,000 hours. Estimated L70 = 179,000 hours.

Mounting

Surface, cable, pendant, power cord or wall mount. Indoor applications only. Max weight 5 lbs.

Listings

• cCSAus conforms to UL STD 1598 and UL STD 8750. Certified to CAN/CSA STD C22.2 No. 250.0. Suitable for dry and damp locations.
• Complies with the Buy American Act and other federal regulations. Request certification at hew.com/baa.

Warranty

5-year limited warranty, see details

Housing

Extruded aluminum with die-cast aluminum accent ring.

Finish

Polyester powder coat bonded to phosphate-free, multi-stage pretreated metal. All parts painted after fabrication to facilitate installation, increase efficiency, and inhibit corrosion.

Open Reflector

Low-iridescent anodized aluminum. Clear semi-specular finish standard.

Lensed Trim

Die-cast aluminum frame with micro-prismatic, acrylic lens.

Electrical

High-performance Class 2 C.O.B. LED array. Modular quick-connect plug for easy field-connection of LED light assembly to node. Reported L70>55,000 hours. Reported L90>49,000 hours. Estimated L70 = 179,000 hours. Low- voltage DC fixture, to be fed by Class 2 power supply. Tunable White products use LEDs of multiple CCTs and may produce a perceptibly different shade of white from single-CCT products at the same CCT. All CCTs are within 3 MacAdam ellipses.

Mounting

Surface, cable, pendant, or wall mount. Indoor applications only. Max weight 5 lbs.

Listings

• cCSAus conforms to UL STD 1598 and UL STD 8750. Certified to CAN/CSA STD C22.2 No. 250.0. Suitable for dry and damp locations.
• Complies with the Buy American Act and other federal regulations. Request certification at hew.com/baa.

Warranty

5-year limited warranty, see details

System Requirements

• PoE-ready luminaires are connected to building power systems through network integration and require other components for complete PoE lighting system
• For additional PoE info, see details
• Consult factory for design support

Housing

Extruded aluminum with die-cast aluminum accent ring.

Finish

Polyester powder coat bonded to phosphate-free, multi-stage pretreated metal. All parts painted after fabrication to facilitate installation, increase efficiency, and inhibit corrosion.

Open Reflector

Low-iridescent anodized aluminum. Clear semi-specular finish standard.

Lensed Trim

Die-cast aluminum frame with micro-prismatic, acrylic lens.

Electrical

High-performance Class 2 C.O.B. LED array. Modular quick-connect plug for easy field-connection of LED light assembly to driver. Reported L70>55,000 hours. Reported L90 = 49,000 hours. Estimated L70 = 179,000 hours.

Mounting

Surface, cable, pendant, power cord or wall mount. Indoor applications only. Max weight 5 lbs.

Listings

• cCSAus conforms to UL STD 1598 and UL STD 8750. Certified to CAN/CSA STD C22.2 No. 250.0. Suitable for dry and damp locations.
• Complies with the Buy American Act and other federal regulations. Request certification at hew.com/baa.

Warranty

5-year limited warranty, see details

Housing Finishes

Black

Bronze

Nickel

Alum

Silver

White

200+ RAL Colors

Cord Colors

White

Silver

Gunmetal

Gray

Black

Nickel

Brass

Aegean Blue

Red

Reflector Finishes

Black

Bronze

Nickel

Alum

Silver

White

Clear Semi-Spec

Satin Glow

Clear Spec

Champagne Gold

Gold

Rose Gold

Pewter

Inspiration