
Type:  Project:
13.25"
8.22"
4.63"
7.25"
MDL
4.00"  
Dia.
3.00"  
Dia.
Suitable for Damp Location.  For 277 Volt Transformer, add '277' to the end of the catalog number.
4” Adjustable Downlight Trimless Fixture 
w/ Internal Specular Reflector 
New Construction Housing - 4.75” Height 
12V Bi-Pin Base MR16 Lamp 75 Watts Max.
DESCRIPTION: 
Recessed downlight trimless fixture. 360 
rotational and 30o(+/- 15o) angle adjustability with angle locking mechanism in 
trim. Exclusive adjustable mud ring 
accommodates 1/2”, 5/8”, 3/4” & 1” 
ceilings.
ELECTRICAL: 
120V input, 12V output. Junction box is 
U.L. listed for through branch wiring.
CONSTRUCTION: 
Housing and plaster frame: 18 gauge CRS 
Trim ring, j-box and hanger assemblies: 
16 gauge CRS.
SYSTEM PROTECTION: 
Thermal protection provided to guard 
against overheating and misuse of insulation over and around fixture. Vent holes 
in housing provide cooler operation.
Steel Safety 
Cable
Adjustment 
Locking Knob
o
Hanger Bars extend from
14.00” to 25.25” max.
Internal rotation 
ring with locking 
adjustment. 
Provides 360º 
rotation and 
secures original 
trim position after 
relamping or 
maintenance.
Lamp holder can accept 
up to three (3) optical 
accessories
c 
QCT-1975WH
c 
QCT-1975S
Mud Ring adjusts in plaster
frame to accommodate 
1/2”, 5/8”, 3/4” & 1” ceilings.
Perforated flap for secure 
drywall installation
c 
QCT-1975BK
c 
QCT-1975SS
c 
QCT-1975PM
w/ QCT-900 Housing
Mudding Compound
Ceiling mudding compound 
is applied right to the edge 
of the fixture.
Magnetic 
Transformer
Butterfly Brackets 
for commercial 
installations
Ball 
Detent 
Retainers
Item # Description Finish Voltage / Wattage
QCT-1975WH / QCT-900 
QCT-1975BK / QCT-900 
QCT-1975S / QCT-900 
QCT-1975SS / QCT-900 
QCT-1975PM / QCT-900
For 277 volt transformer add “277” to end of item #.
30º (+/- 15º) locking 
angle adjustment 
Quiet Ceiling Series Adjustable Downlight Trimless Fixture 
with New Construction Housing w/ Magnetic Transformer
©2004 RSA Lighting All Rights Reserved • Specifications subject to change without notice.
Housing adjusts in 
plaster frame to accommodate 
1/2”, 5/8”, 3/4” & 1” ceilings.
RSA LIGHTING 9660 - 9700 TOP
TOLL FREE: 800-356-3030 • 818-349-3030 • F
ANGA CANYON BL
White 
Black 
Silver 
Stainless Steel 
Primer
VD. CHATSWORTH CA. 91311 
AX: 818-349-3031 • www.rsalighting.com
12V / 75W Max.
REV 062904
13
QC