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631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
www.lightolier.com © 2012 Philips Group • D0412

Job Information 

Type:

Job Name: 

Cat. No.: 

Lamp(s): 

Notes:

Lytecaster Recessed Downlighting 

302MRAICEX

Page 1 of 1 

3 ¾" (95mm) Aperture Low Voltage 50W MR16 12V IC / Air Seal Electronic Frame-in-Kit 

Complete fixture consists of Reflector Trim & Frame-In Kit.   Select each separately

302MRAICEX

3 3/4" (95mm)

Accepts most 3 3/4" (95mm) 300 series trims ; 
see Reflector Trim specification sheets.

Power Pack

Cut-Out

Reflector Trim

Features

1.   Housing:

 032" (#20 ga.) aluminum. CSA certified and UL Listed for direct 

contact with thermal insulation. Airseal housing minimizes air leakage to less 
than 2 CFM at 1.57 PSF (or 75pa), which complies with Model Energy Code 
(Section 602.3.3) and Washing State Energy Code (Section 502.4) and reduces 
heat loss and condensation in ceiling. Access door for inspection of junction box.

2.   Mounting Frame:

 .032 (#20 ga.) aluminum. Accommodates ceilings up to 1" 

thick. 3/8" deep integral lip. Locks into position along length of mounting bars 
with locking screw and bendable slot. Four slots are positioned 90º apart to 
simplify alignment. Push-in/twist-out roto-clips hold reflector flush to ceiling.

3.   Mounting Bars:

 16 ga. galvanized steel. Extend from 14" (356mm) to 24" 

(610mm). "SwiveLock" system permits installation and wiring below the 
ceiling. Pre-installed No. 6 auger point screws for installation in wood and 
steel joists. Attaches to T-bar ceilings without the need of accessories. 

4.   Junction Box:

 2"( 51mm) x 4" (102mm) x 3 1/2" (89mm) 22 ga.galvanized 

steel. Integral cable clamp permit attachment of non-metallic (#12 or#14 ga.) 
cable without tools or additional connector.   

5.   Socket :

  Porcelain body ; Two-pin (GX5.3 base) Pre-wired with 18 ga. Teflon 

250° leads to junction box. Lamp cover: Aluminum heat deflector for 50W 
MR16 / 37W MR16 IR. 

 

6.   Transformer:

 Electronic, 60W Class 2, 120 volt primary, 11.75volts output 

at max. load. RFI protection compatible with FCC limits. Electronic internal 
resettable protection. Auto heat regulation that also automatically acts as 
overload protection. Auto-reset thermal cut-off at 125C.  

Dimming Controls 

Use only dimmers specifically designed for use with transformers, like Lightolier 
Onset, Sunrise series LV or VA dimmers, or any Lightolier Controls dimming 
system. Low voltage fixtures may produce audible noise. Attention should be 
given for noise sensitive applications.

Labels

Air Seal 

Tested in accordance with ASTM E283 (max 2 cfm @ 75 pa) and comply 

with WSEC & MEC when installed as instructed.

 
CSA, UL 

Suitable for damp locations.

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