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MedMaster Downlights

Model #: BHDL4-NS
  • 4" sealed, recessed downlight with a flush trim; round or square aperture
  • Phosphor-converted 590nm Amber LED source provides higher lumen output and lifetime than native Amber sources
  • Suitable for circadian and other spectrally sensitive healthcare applications
  • 1% Dimming via 0-10V or DALI-2 control
  • Peace of Mind Guarantee® against breakage
Application(s):Patient Rooms
Behavioral Health
Lens Type(s):.125" Clear Polycarbonate
Lamp Type(s):LED
Size(s):4" Aperture
Specifications are subject to change without notice. Please consult your Kenall Customer Service for help with special requests at (800) 4 Kenall.

Technical Specifications

ElectricalPhosphor-converted (PC) LED source provides Amber light with a 590nm nominal peak wavelength. Phosphor-converted InGaN-based source provides a higher output and efficacy as well as longer lifetime compared to native amber (AlInGaP-based) source for applications where a broader spectrum is acceptable. Native Blue LED option with 470nm nominal peak wavelength. 120-277VAC, 50/60Hz electrical input with serviceable constant current driver (<20% THD, >0.90 PF). Minimum 85% driver efficiency. Standard 0-10V dimming with 1-100% range; 0.2mA max. source current. Optional eldoLED ECOdrive DALI-2/LEDcode2 driver with 1-100% range.
HeatsinkDie-cast aluminum with external radial fins for natural convection.
Luminaire is certified to UL standards by Intertek Testing Laboratory for non-IC and Wet Location installations. IP65 rating per IEC60598. NSF2 Splash/Non-Food Zone. Optional CCEA compliance.
OpticalDiffused tempered-glass upper lens. 1/8" clear polycarbonate flush lens at ceiling trim with continuous seal to trim ring. Available with various reflector finishes. See Ordering Information for available options.
Photometrics Photometry tested to the IESNA LM-79-08 standard by an ILAC/ISO17025 accredited laboratory. For photometric information, go to
Rough-In Frame18-gauge die-formed, corrosion-resistant steel. Vertically adjustable collar accommodates ceiling thicknesses up to 1.5", adjustable post-installation. Adjustable mounting bars for installation with wood and steel frame joists and T-grid ceiling systems spaced up to 24" on center. Quick-access junction box accessible post-installation from above and below ceiling. Includes (5) 1/2" knock-outs to allow straight conduit runs. 
Trim/Housing SectionIP-rated housing section incorporates the heat sink, LED module, optics and lower trim. Flush lens trim secured with three (Round) or four (Square) Torx® tamper-resistant, captive fasteners. Closed-cell gasketing at ceiling flange. See Trim Ordering Information for available options.
WarrantyLimited five (5) year LED warranty. Peace of Mind Guarantee against breakage.

This product is able to comply with the latest domestic preference legislation, such as the Buy American Act (BAA), Trade Agreement Act (TAA), Build America, Buy America Act (BABA), and others.


Product Documentation

Installation Files

Photometry (IES)