DESCRIPTION
4” round recessed trimless adjustable downlight fixture. For use with 12V MR16 lamp 71W
max.
For use in downlighting / accent applications.
Catalog #
Type
Project
Comments
Date
Prepared by
SPECIFICATION FEATURES
A....Housing
18 gauge CRS with flat black powder
coat. Removable housing top with
toolless access (new construction housing
only). Adjustable trimless mud-ring can
accommodate 1/2”, 5/8”, 3/4” & 1” ceiling
thickness.
Ceiling mudding compound is applied
right to the edge of the fixture.
B....System Protection:
Thermally protected. Vent holes in housing.
QUIET CEILING
TRIMLESS
C....Electrical
J-box and electronic or magnetic low
voltage transformer. 120V or 277V
input, Junction box is rated for through
branch wiring. Includes six 1/2 trade size
knockouts.
+/- 15º
3.00”
QCT1975
4.00”
D....Mounting
4” Round Recessed
Trimless Downlight
Fixture
Butterfly Brackets and GOT NAIL hanger
bars included. Perforated flaps for
secure drywall installation.
E....Trimless Fixture
Round adjustable downlight trimless
fixture. Includes bullet plunger retainers for
smooth snap-in action. Finished in a variety
of powder coat paint colors. All internal
components of trim assembly are finished
in matte black. Includes steel safety cable.
F....Lamp
For use with 12V MR16 lamp 71W
max. Lamp not included. Includes clear
protective glass lens. Can accept up to
two (2) optical accessories. Internal rotation
ring with locking adjustment. Provides 360º
rotation of trim and secures original trim
position after relamping.
FOR 12V MR16 71W max.
12.00”
to
24.00”
11.29”
7.25”
Ceiling
Cut-Out
5.50”dia.
9.75”
G....Reflector
5.42”
Integral reflector available in a variety of
colors and tints.
17.19”
Available Housings:
9.09 ”
New Construction Housing (Shown)
QCT900 (L=17.19” H=5.38” W=11.29”)
AirTite I.C. Housing
QCT902 (L=21.70” H=7.00” W=10.20”)
5.38 ”
Remodel Housing
QCT904 (L=16.81” H=5.37” W=9.50”)
0.5” - 1.0”
Special Ceiling Housing
QCT906 (L=17.19” H=5.38” W=11.29”)
+/- 15º
4.00”
Suitable for Damp Location
TRIM ORDERING INFORMATION
HOUSING ORDERING INFORMATION
QCT1975
Fixture
QCT1975 =
4” Round Trimless
Adjustable Downlight
www.cooperlighting.com
QCT900
Trim Face Finish
WH = White
BK = Black
SN = Satin Nickel
SS = Stainless Steel (paint)
PM = Primer
Reflector
BH = Black Haze
G = Gold
GPH = Graphite Haze
W = Gloss White
H = Haze
KH = Cognac Haze
LI = Low Iridescent
WMH = Warm Haze
WH = Wheat
MW = Matte White
Accessory
LNBLVR = Hex Cell Louver
LNBDSL = Diffusion Spread Lens
LNBLSL = Linear Spread Lens
LNBPSL = Prismatic Spread Lens
LNBUVF = U.V. Filter
Fixture
QCT900 = New Const.
Power Supply
E = Electronic Xfmr.
M = Magnetic Xfmr.
Other Housings:
QCT902 = AirTite I.C.
QCT904 = Remodel
QCT906 = Special Ceil.
Lamp Type / Wattage
020M16 = 20 Watt MR16 12V
037M16 = 37 Watt MR16 12V
042M16 = 42 Watt MR16 12V
050M16 = 50 Watt MR16 12V
071M16 = 71 Watt MR16 12V
(AirTite I.C. and Remodel
housings are 50W max.)
Specifications and Dimensions subject to change without notice.
RSA Lighting • 7945 Orion Ave. • Van Nuys, CA 91406 • 818-349-3030 • FAX 818-349-3031
Primary Voltage
1 = 120V
2 = 277V
rev. 032309