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NOTES: For complete product data, refer to the Neo-Ray Specification Binder. Specifications and dimensions subject to change without notice. Products may be
modified for use in international markets. Please contact your Cooper Lighting Sales Representative for availability and ordering information.

712

COOPER LIGHTING

TWIN BEAM

611-IP

S E M I - I N D I R E C T

SUSPENDED

• Minimalist fixture profile –

8.625” wide by 1.75” high.

• Signature void detail. 

• Optimized T5 optics for wide

light distribution and good
efficiency.

• Die formed perforated steel

modular housing lengths – 4’
and 8’. 

• Incremental mounting on the

ceiling grid -  4’ and  8’
centers.

• Precision die cast end caps.

Construction:

Two piece housing is die-formed

cold rolled steel, forming an 8-5/8” x 1-3/4”
architectural profile. Standard 4’-0” and 8’-0” fixture
lengths combine for individual or continuous runs.

End Caps: 

End caps are precision die-cast

aluminum, mechanically attached with no exposed
fasteners.

Reflectors:

Optical reflectors are die-formed high

reflectance white painted steel. 

Electrical:

Fixtures use UL listed Class P, T5

program rapid start electronic ballasts. Power factor
of 97% with less than 10% THD. Fixtures and
electrical components certified to UL and CUL
standards.           

Finish:

Low-gloss white powder coated acrylic

finish.

Mounting:

Standard modular mounting includes

hardware that integrates and suspends luminaire
from suspended tile ceiling grid, or from a junction
box with a 1/4-20 threaded stud (by others). Consult
factory for non-standard ceiling applications.

8-5/8" [218mm] 

1-3/4" 

[44mm] 

ORDERING INFORMATION:

Sample number: 611-IP-WP-2T5HO-1C-120-AC48-T1-24

Series

611-IP

=Twin Beam

Optics Up

W

=White Reflector

Optics Down

P

=Perforated

N

=None

Number of Lamps 

(in cross section) 

2

=2 Lamps

Lamp Type 

(not included)

T5

=28W (4’ Unit)

T5HO

=54W (4’ Unit)

Number of Circuits 

1

1

=1 Circuit

Wiring

1

C

=Standard Circuit

E

=Emergency/Nightlight

D

=Dimming

B

=Battery Pack

*Slim line ballast only (small case)

Voltage 

1

1

=120V

2

=277V

3

=347V

U

=Universal

Suspension

A

=Aircraft Cable

P

=Rigid Pendant 

2

(single stem)

Power Feed

C

=Straight Cord

P

=Rigid Pendant

K

=Curly Cord

Suspension Length

FC

=Fixed Cable

12”, 15”, 18”, 21”, 24” or 27” (+/- 1/2” adjustment)

AC

=Adjustable Cable

48”, 120”, 240”, 300”, or 360” 
(infinite adjustment along entire length of cable)

Ceiling Type

T1

=1” T-Bar

ST

=Structure

T9

=9/16” T-Bar

JB

=4” Octagonal J-Box

TS

=Slotted T-Bar

Run Length

Specify row length in feet. Rows will be configured with 4’ and 8’
sections.

1 Due to various constraints, some options may not be combined with others.
2 Available with 7° or earthquake 45° swivel canopy assembly.

= Slim Line Ballast only.

S

S

S

S T A N D A R D   L U M I N A I R E   L E N G T H S

M O D U L A R   R O W   C O N F I G U R A T I O N

• Standard length sections join easily to create rows. 
• Sections align with T-grid. 
• All sections prewired for through-wiring with quick connectors.

NEO-RAY

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