
DESCRIPTION
3.75"
20.125"
18.125"
15.188"
13.25"14.13"
5.5"
14" min.
 25.25" max.
A
D
C
B
Shallow insulated ceiling AirTite (I.C.) Microgem recessed low voltage 
housing with integral magnetic transformer 50W max. 120V or 277V.
For use in insulated ceiling (I.C.) applications. Housing may be covered 
on all sides with insulation material.
SPECIFICATION FEATURES
A ...Housing
Shallow low voltage recessed fixture 
housing for insulated ceiling installations. 
Includes integral low voltage magnetic 
transformer. All aluminum construction. 
14 ga. steel junction box.
B ...Electrical
Socket is pre-wired to the j-box 18AWG 
SF-1 leads. Primary lead is 120V or 277V. 
Transformer is rated 180˚ Class H. State of 
Washington AirTite approved. 
C ...Mounting
Provided with two (2) adjustable 16 ga. 
steel hanger bars which can be extended 
to 25.25”.
Catalog # Type
Project
Comments Date
Prepared by
MICROGEM
SHALLOW 
HOUSING
D ...System Protection
Transformers have thermal protection 
and operate at 11.5 volts nominal.
Ceiling Cut-Out: 3.75” dia.
Insulated Ceiling 
AirTite Shallow 
C900
Housing w/ Integral 
Low Voltage 
Transformer
FOR 12V LAMP 50W max.
ORD ERI NG INF ORM ATIO N
C900
Housing
C900 =  
Microgem shallow insulated 
ceiling low voltage recessed 
housing. 
Voltage 
120 
277 
=
 120 volts primary 
=
 277 volts primary
www.coo perlighti ng.com
Specifications and Dimensions subject to change without notice. 
rev. 102406
RSA Lighting • 7945 Orion Ave. • Van Nuys, CA 91406 • 818-349-3030 • FAX 818-349- 3031