
DESCRIPTION
12.00”
9.48”
5.20”
12.00”
Up to 1-3/8”
Ceiling
Cut-Out
7.10”dia.
Remodel housing for Mini Quiet Ceiling small aperture round trimless 
fixtures. (QCM5001, QCM5002, QCM5003, QCM5004). 
For non-I.C remodel applications. Fixture is installed after the ceiling. 
Insulation must be kept 3” from all sides and at least 1” above the 
housing.
SPECIFICATION FEATURES
A ...Housing
Constructed of 18 gauge CRS with flat 
black powder coated internal finish. 
Adjustable trimless mesh plate and 
swing-out retaining brackets can  
accommodate up to 1-3/8” ceiling 
thickness.
D ...Lamp
12V MR16 50 watts max. (not included) 
Internal rotation ring with locking 
adjustment. Provides 360º rotation of 
trim and secures original trim position 
after relamping. “POSI-GRIP” bi-pin 
lamp socket for firm, mechanical lamp 
connection.
B ...System Protection:
Thermal protection provided to guard 
against overheating and misuse of 
insulation over and around fixture. 
Vent holes in housing provide cooler 
operation.
C ...Electrical
Integral j-box and low voltage (12V) 
E ...Mounting
Housing is secured with three 
adjustable swing-out retaining brackets. 
Adjustment is made from countersunk 
phillips screws in the mesh plate. 
Perforated mesh plate may be secured 
to drywall and/or joists (by others) for 
additional support. 
transformer . 120V input, 12V output. 
Junction box is U.L. listed for through 
Ceiling Cut-Out: 7.10” dia.
branch wiring. Includes four 1/2 trade 
size knockouts.
Catalog # Type
Project
Comments Date
Prepared by
Ceiling mudding compound is applied 
right to the edge of the fixture.
MINI 
QUIET CEILING 
TRIMLESS
QCM504RM
Remodel Housing
for Round Trim
FOR 12V MR16 50 watts max. 
ORD ERI NG INF ORM ATIO N
QCM504RM
Housing
QCM504RM =  
Mini Quiet Ceiling  
Remodel Housing 
for Round Trim 
w/Integral Transformer   
www.coo perlighti ng.com
Transformer
=
ELC 
  Electronic 
=
MAG 
 Magnetic 
Voltage 
=
120 
 120 volts primary 
=
277 
 277 volts primary
Specifications and Dimensions subject to change without notice. 
RSA Lighting • 7945 Orion Ave. • Van Nuys, CA 91406 • 818-349-3030 • FAX 818-349- 3031 
rev. 091806