HS4DR
Designed for surgical suites, the HS4DR 4.5-inch downlight from Williams has smooth surface trim and lens materials and complies with MIL-STD-461G specifications.
Cross-References
19 equivalents across 10 brands
Compare top 3 →- spec →
The InDepth LED Specification series is designed to create architectural ceiling topography with regressed and drop lens options. InDepth provides design flexibility and versatility by providing seven lens options (two regressed cube, one regressed curve, three drop cube, and one drop curve). The regressed lens options provide optical cut off with reduced glare. Wireless control options are available.
- category
- environment
- voltage
- CRI
- dimming
- lens
- +1 more
- cct: 3000K → 2700K
- spec →
The Define series by NeoRay is the ultimate in minimalist simplicity, providing clean, uniform lines of illumination in virtually any architectural environment. Besides delivering outstanding efficacy, it offers unmatched design flexibility with a variety of profile widths and mounting options available.
- category
- environment
- voltage
- CRI
- dimming
- spec delta
- cct: 2.7003000350040005e+23K → 2700K
- spec →
The 2-inch, 4-inch, and 6-inch, Deep Regressed Wafer™ Downlights feature a slim, canless design that installs directly into the ceiling eliminating the need for traditional recessed housings. Our
- category
- environment
- mounting
- voltage
- CCT
- dimming
- spec →
The Entri Series of wall luminaires with modular faceplate designs provide a tasteful architectural statement equally suitable for indoor and outdoor environments. Whether providing community friendly performance in downlighting applications, or showcasing architectural features through available up and up/downlighting configurations, the Entri Series provides a palette of optical solutions to paint any surface in the right light.
- category
- environment
- voltage
- dimming
- housing
- spec delta
- lumens: 9705 → 4000
- cct: 3000K → 2700K
- spec →
GC8 is a premium grade specification lensed troffer series. This innovative, high quality luminaire is dedicated to the latest T8 lamp and micro electronic ballast technology for optimal performance and energy efficiency. The GC8 is compatible with all of today's popular ceiling systems and is available with a number of options and accessories for application versatility. Certain airborne contaminants can diminish the integrity of acrylic components. Refer to the Material Compatibility tables for additional information.
- category
- environment
- mounting
- voltage
- dimming
- spec delta
- wattage: 32W → 55.4W
- spec →
The Sure-Lites Architectural emergency series (SELA) is a UL924 code compliant solution with a superior aesthetic that eliminates the traditional “bug eye” emergency look. The system features a customizable shroud that can be field painted or covered with wall treatment to allow the fixture to blend into the space. An LED source, nickel cadmium battery and self-diagnostics create 29 feet of emergency egress coverage, eliminate maintenance and reduce the labor required to perform NFPA required monthly testing. The LED heads are adjustable with a patented forward throw optic.
- category
- environment
- voltage
- housing
- spec delta
- wattage: 0.7W → 55.4W
- spec →
PFX-5548 LED Recessed Emergency Unit Ultra-bright, energy-efficient LED heads provide up to 50 ft spacing with 1.0 W per head. Universal 120–277 VAC input with LED status indicators and push-to-test switch. NiMH battery with solid-state transfer delivers 90 minutes of emergency illumination and recharges in 24 hours. Includes bar hangers for drywall or drop-ceiling mounting. 5VA flame-retardant thermoplastic housing with oval and rectangular trim plates in white or black. Designed for discreet recessed installation and reliable performance in commercial environments. Ideal for corridors, offices, and areas requiring code-compliant emergency egress lighting.
- category
- environment
- voltage
- spec delta
- wattage: 1W → 55.4W
- spec →
The ELM2LF Series from the Lithonia Lighting® Quantum® Family is a thermoplastic dual round head emergency unit allowing for maximized spacing between units down long hallways and open spaces. ELM2LF
- category
- environment
- voltage
- lens
- spec delta
- lumens: 4000 → 220
- cct: 2700K → 5000K
- wattage: 55.4W → 4.8W
- spec →
The Corelite R6R is a sleek 4-inch aperture linear fixture designed to create visual interest by elevating the illumination plane with an architectural colored regress. Available in three lengths, it features a 2" regressed beveled frame in 14 standard colors. Ideal for offices, classrooms, coves, corridors, and retail environments where differentiated lighting is desired.
- category
- environment
- voltage
- CRI
- dimming
- spec delta
- cct: 3000K → 2700K
- spec →
The Define series by NeoRay is the ultimate in minimalist simplicity, providing clean, uniform lines of illumination in virtually any architectural environment. Besides delivering outstanding efficacy, it offers unmatched design flexibility with a variety of profile widths and mounting options available.
- category
- environment
- voltage
- CRI
- dimming
- spec delta
- cct: 2.7003000350040005e+23K → 2700K
- spec →
The ELMRE Series from the Lithonia Lighting® Quantum Family is designed to match the appearance of the Quantum series units for use as part of an emergency lighting system providing light for the
- category
- environment
- voltage
- lens
- spec delta
- lumens: 4000 → 220
- cct: 2700K → 5000K
- wattage: 55.4W → 4.8W
- spec →
The Corelite Perceive PTR series brings dimension and unique character by raising the illuminated surface with a beautifully beveled, customizable color regress. Offered in 2x2, 2x4 and 1x4 sizes with 14 different standard regress colors. The Perceive PTR is available with high lumen output options in a unique aesthetic enabling personal, distinctive designs with a focus on visual comfort.
- category
- environment
- voltage
- dimming
- spec delta
- lumens: 10000 → 4000
- cct: 3000350040005000K → 2700K
- spec →
The Define Patient from NeoRay brings a hospitality feel to the hospital space. Utilizing a theatrical lighting approach, the Define Patient encompasses a symmetric design providing superb illumination in critical areas while reducing shadows during examination.
- category
- environment
- mounting
- CCT
- dimming
- spec delta
- voltage: 120V → UNV