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Functionrecessed downlight


Apertureround 4"

Depth6 3/4"″

Footprint13" x 10"

Net Weight10 lbs

AvailabilityShips In Days

Product Remarks

Arclite MR/4 is an efficient 4” aperture downlight designed for use with 20-watt or 39-watt MR-16 or ES-16 metal halide lamps. Fixture is equipped with an electronic ballast. Reflector design minimizes aperture brightness with a shielding angle of 43°. Recess depth is only 6 ¾”.



Application Notes

Fixture is listed for Damp Location and suitable for use in a fire rated ceiling. Fixture is prewired with electronic ballast and thermal protector, and is approved for eight #12 wire 90°C branch circuit pull-through wiring. Removal of the reflector from below allows access to the ballast and junction box.



Accepts one of four decorative trims in place of a standard reflector: 



ARCMR4FL.IES; 20-watt flood
ARCMR4WF.IES; 20-watt wide flood

Additional Options

  • Arclite MR/4 accepts one or two of a number of Optical Accessories including lenses, a UV filter and color filters. 
  • Emergency: DC bayonet base socket only 
  • Auxiliary: DC bayonet base socket prewired to restrike relay;100 watt max lamp on 120 v service; 50 watt max on 277 v service 
  • Plaster ring allows use of 4 7 /8” OD Trim Flush (-TF) reflector in sheetrock ceiling; 5 3 /16” dia hole required



Contact factory with quantity for pricing; orders may require shop drawing approval.

  •  CHP-: 20-watt fixture suitable for Chicago Plenum; add CHP- as prefix to Product Code.
  •  CONC-: 20-watt fixture suitable for poured-in-place concrete; add CONC- as prefix to Product Code.
  •  EXP-: `European-style´ install-from-below fixture; add EXP- as prefix to Product Code.
  •  +2”CLG: fixture suitable for installation in 2” thick ceiling material; add +2”CLG to Product Code.
  •  +DOD: fixture suitable for high humidity environments; add +DOD to Product Code.
  •  +MAR: reflector suitable for marine environments; add +MAR to Product Code.
  •  +TR: fixture prepared for top re-lamping; add +TR to Product Code.