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Lightolier 

a Genlyte company 

www.lightolier.com

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.

© 2011 Genlyte Group LLC • C0711

Job Information 

Type:

Job Name: 

Cat. No.: 

Lamp(s): 

Notes:

 

Lytecaster Recessed Downlighting 

604SQMR

Page 1 of 2 

Recessed Square Low Voltage 4 x MR16

404X series
405X series
406X series
409X series
413X series
478X series

Alzak Cones
Painted Baffles
Eyeball 
Pinhole
Gimbal 
Elbow

604SQMR120
602SQMR277

604SQWH

4 x 75W MR16
4 x 75W MR16
4 x 75W MR16
4 x 65W MR16
4 x 75W MR16
4 x 75W MR16

Reflector Trim

Frame-In  Kit  

Face Plate

Lamp

Features

1.  Housing / Plate: 

 Die-formed 20 ga. Steel, galvanised.Accomodates all 

ceilings up to 2" (51mm) thick. Adjustable from inside Concealed wiring 
channel. 

2.  Face Plate: 

 Die-formed 20 ga. steel; White painted finish. Inner  

Mounting ring welded to plate to accept 400 series trims. 1/4" (7mm)  
lip all around.

3.  Torsiontite Springs: 

 For easy installation of faceplate. Insures that face 

plate edges are snug to ceiling.

4.  Mounting Brackets: 

6 ga. steel. Use 18" (457mm) mounting bars (optional) 

or with standard 3/4" (19mm), 1-1/2" (38mm) lathing channels (by others) or 
1/2" (13mm) tubing (by others). Adjust horizontally and vertically.

5.  Junction Box: 

 2" deep ( 51mm) x 4" (102mm) x 3 1/2" (89mm)16 ga. 

galvanized steel. CSA, US certified an UL listed for maximum of   
8 (#12ga.) Integral cable clamp permit attachment of non-metallic  
(#12 or #14 ga.) cable without tools or additional connector.

6 Transformer: 

Magnetic 150VA, 120/277/347 volt primary, nominal 12 volt 

secondary, class “B“.

7.  Thermal Protector:  

Meets CSA/UL requirements. Insulation, if used,must 

be kept 3"  away from luminaire sides and junction box. Do not cover top of 
luminaire.

8. Socket: 

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

250º leads to junction box. 

9.  Lamp cover: 

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

ga.Teflon 250º leads to junction box. 

Markings

CSA, US; Certified for damp locations.

Accessories

1950

 - 18" Mounting Bar

1951

- 31" Mounting Bar

FA10251-WH - 

Replacement Spacer Ring 

Note   

Magnetic transformers may produce audible sound which may be
objectionable in acoustically critical areas. The use of dimmers can further
amplify the sound levels

Complete fixture consists of Reflector Trim (4 needed), Frame-in Kit and Face Plate. Select each separately

13"

6 3/4"

32"

11 1/8"

2"

13"

Frame-In Kit

Face Plate

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