DISTRIBUTION PROFILE LAMPING SHIELDING MOUNTING SHAPE LENGTH VOLTAGE FINISH OPTION 1 OPTION 2 OPTION 3
ARCD Direct
34 3 3/4” height
65 650 lm/ft
6.1 input watts/ft*
27 2700k temp
93.5%special order option
WOL White Opal Lens
H Stem Mount *
REC Rectangle
Specify fixture total linear feet
*See worksheet
120V WH White
SF Seam-Free End
EMLED LED battery pk
ARCU Indirect
44 4 3/4” height
CFA* Clear Frosted Acrylic Lens
C Cable Mount *
CIR Circle
277V SV Silver
90 CRI 90 CRI
SW Separate Switch
ARCUD* Direct/Indirect
* Not available on 34 profile.
64 6 3/4” height
95 950 lm/ft
8.9 input watts/ft*
30 3000k temp
95.2%
* Available forindirect lens only
S Surface Mount†
SQU Square
UNV Universal
BK Black
F Fusing
EC Emergency Circuit
*Spec. cable / stem length:
†Available inARC-D (Direct)
ONLY.
MS Misc. Shape
CC Custom Color
Provide cus-tom color
RAL#:
DIMMING OPTIONS
*assumes 4000k w/ satin lens
Lumen Multiplier = % of 4000K
Consult factory for limitations
35 3500k temp
96.8%
D10V0-10V dimming1% power class
DLA2Lutron Hi-lume 1% 2-wire LED driver (120V forward
phase only)
Individual unitscannot be joined
in field to create runs.
DLEH5 Lutron Hi-lume 1%-H EcoSystem
LED driver with soft-On, Fade-to-Black
DLE55Lutron 5-Series EcoSystem
LED driver
40 4000k temp
100% DALIDigitally
Addressable Lighting Interface
DIMDimming
Please specify dimming
manufacturer/model(if required)
50 5000k temp
103%
Custom Output(460 lm/ft-1610 lm/ft)
ARC BY
JOB: TYPE:
LAMPING OPTIONS AT A GLANCE:
Forum, Inc. | 100 Chapel Harbor Dr. | Pittsburgh, Pennsylvania 15238 | (412) 781-5970 | forumlighting.com
ORDERING CODE
RECESSED/DIRECT
SURFACE/DIRECT
ASYMM.RECESSED/DIRECTDIRECT INDIRECT
INTEGRATEDCOVE
SUSPENDEDDIRECT/
INDIRECTDIRECT/
INDIRECT
IN-WALL/VERT.
IN-WALL/HORIZ.
recessed/direct
surface/direct direct
indirect
suspendeddirect/indirect direct/
indirectin-wall/
horizontal
asymm.recessed/
direct
LED LEDLED LED
T5
1
T81
S T A G G E R E D
T5
2
S T A G G E R E D
HO
T5
2
HO
T5
T8
T82 T 8 ST
AG
GE R E D 1 H I G H O
UT
PU
T
T 5
ST
AG
G
E R E D 2 S TA G GE
RE
D
HI G H O U T P U T
T51
in-wall/vertical
integratedcove
LED
RECESSED/DIRECT
SURFACE/DIRECT
ASYMM.RECESSED/DIRECTDIRECT INDIRECT
INTEGRATEDCOVE
SUSPENDEDDIRECT/
INDIRECTDIRECT/
INDIRECT
IN-WALL/VERT.
IN-WALL/HORIZ.
recessed/direct
surface/direct direct
indirect
suspendeddirect/indirect direct/
indirectin-wall/
horizontal
asymm.recessed/
direct
LED LEDLED LED
T5
1
T81
S T A G G E R E D
T5
2
S T A G G E R E D
HO
T5
2
HO
T5
T8
T82 T 8 ST
AG
GE R E D 1 H I G H O
UT
PU
T
T 5
ST
AG
G
E R E D 2 S TA G GE
RE
D
HI G H O U T P U T
T51
in-wall/vertical
integratedcove
LED
RECESSED/DIRECT
SURFACE/DIRECT
ASYMM.RECESSED/DIRECTDIRECT INDIRECT
INTEGRATEDCOVE
SUSPENDEDDIRECT/
INDIRECTDIRECT/
INDIRECT
IN-WALL/VERT.
IN-WALL/HORIZ.
recessed/direct
surface/direct direct
indirect
suspendeddirect/indirect direct/
indirectin-wall/
horizontal
asymm.recessed/
direct
LED LEDLED LED
T5
1
T81
S T A G G E R E D
T5
2
S T A G G E R E D
HO
T5
2
HO
T5
T8
T82 T 8 ST
AG
GE R E D 1 H I G H O
UT
PU
T
T 5
ST
AG
GE R E D 2 S TA G G
ER
ED
HI G H O U T P U T
T51
in-wall/vertical
integratedcove
LED
RECESSED/DIRECT
SURFACE/DIRECT
ASYMM.RECESSED/DIRECTDIRECT INDIRECT
INTEGRATEDCOVE
SUSPENDEDDIRECT/
INDIRECTDIRECT/
INDIRECT
IN-WALL/VERT.
IN-WALL/HORIZ.
recessed/direct
surface/direct direct
indirect
suspendeddirect/indirect direct/
indirectin-wall/
horizontal
asymm.recessed/
direct
LED LEDLED LED
T5
1
T81
S T A G G E R E D
T5
2
S T A G G E R E D
HO
T5
2
HO
T5
T8
T82 T 8 ST
AG
GE R E D 1 H I G H O
UT
PU
T
T 5
ST
AG
G
E R E D 2 S TA G GE
RE
D
HI G H O U T P U T
T51
in-wall/vertical
integratedcove
LED
LED
* Forum reserves the right to change this information at any time. UPDATED 07/23/2018† Dimensions provided as general information. Please see shop drawings for specific rough-in dimensions.
23/8”
63/4”
43/4”33/4”
63/4”
43/4”33/4”
SAUD-62
SAUD-42
SAD-32
SAUD-63
SAUD-66SAUD-46
17/8”23/8”17/8”
215/16”27/16”
43/4”
6”51/2”
33/4”
63/4”
SAUD-43
SAD-33
63/4”
33/4”
SAUD-64SAUD-44 SAD-34
43/4”
41/2”
23/8”17/8”
215/16”27/16”
215/16”27/16”
41/2”
41/2”
6”51/2”
6”51/2”
31/2”
31/2”
31/2”
ARCD-34 ARCUD-64
ARCUD-44
23/8”
63/4”
43/4”33/4”
63/4”
43/4”33/4”
SAUD-62
SAUD-42
SAD-32
SAUD-63
SAUD-66SAUD-46
17/8”23/8”17/8”
215/16”27/16”
43/4”
6”51/2”
33/4”
63/4”
SAUD-43
SAD-33
63/4”
33/4”
SAUD-64SAUD-44 SAD-34
43/4”
41/2”
23/8”17/8”
215/16”27/16”
215/16”27/16”
41/2”
41/2”
6”51/2”
6”51/2”
31/2”
31/2”
31/2”
23/8”
63/4”
43/4”33/4”
63/4”
43/4”33/4”
SAUD-62
SAUD-42
SAD-32
SAUD-63
SAUD-66SAUD-46
17/8”23/8”17/8”
215/16”27/16”
43/4”
6”51/2”
33/4”
63/4”
SAUD-43
SAD-33
63/4”
33/4”
SAUD-64SAUD-44 SAD-34
43/4”
41/2”
23/8”17/8”
215/16”27/16”
215/16”27/16”
41/2”
41/2”
6”51/2”
6”51/2”
31/2”
31/2”
31/2”
Indirect Direct Indirect Direct
OPTIONS SPECIFICATIONSPROFILE DRAWINGSLISTING All fixtures bear an AFL-CIO/IBEW union label and are ETL listed for surface mounting and damp location rated. For alternative environmental certifications, please consult factory.
DRIVER 120V, 277V, and Universal Voltage available standard. Five year warranty. Please consult factory for special driver requirements.
SHIELDING White opal lenses are snap in direct, lay-on indirect. Clear frosted acrylic lenses are lay-on indirect
MOUNTING The ARC 4 fixture can be mounted in various orientations including cable mount, stem mount, and surface mount. Please see supplemental documentation for mounting details.
HOUSING Consists of a 6063-T5 extruded alloy profile. Built in individual pieces up to 12 ft in length. Individual fixtures cannot be joined in field to form continuous runs. Fixtures longer than 12 ft must be ordered as continuous system.
GEARTRAY / REFLECTOR Integrated geartray and reflector made from .040” aluminum in a pre-paint white finish. Fully wired unit remains completely accessible from below via ballast panel.
END FITTING Applied end fitting is a standard .375” machined aluminum piece with concealed fasteners.
LED SYSTEM Forum utilizes a tunable LED system capable of supplying between 350-950 lumens per foot. To specify specific lumen output other than standard 950 or 650, drop the last digit of the per foot lumen output desired, i.e. 400lm/ft.= 40LED35
4”w
3”hProfile: 34
Options:
ARCD, ARCU
4”hProfile: 44
Options: ARCD, ARCU, ARCUD
6”hProfile: 64
Options: ARCD, ARCU, ARCUD
/LED LED /− − − − − − − − − − −
The ARC 4 series by FORUM is a line of extruded aluminum curvi-linear
luminaires. The 4 is a 4 1/2” wide housing with a 4” aperture. Multiple mounting
configurations are available including various suspended types. ARC 4 is lamped with
premium LED components.
Forum, Inc. | 100 Chapel Harbor Dr. | Pittsburgh, Pennsylvania 15238 | (412) 781-5970 | forumlighting.com
* Forum reserves the right to change this information at any time. UPDATED 07/23/2018† Dimensions provided as general information. Please see shop drawings for specific rough-in dimensions.
Questions?(412) 781-5970
PATTERN RADIUS OFFERINGS
ARC BY
Rectangle Circle Square Misc. Shape
D1-24” DI A
D2-48” DIA
D3-72” DIA
D4-96” DIA
D5-144” DIA
D6-192” DIA
D7-240” DIA
D1A / D1B 24” DIA
D1A-90° arc length 18.85”D1A-180° arc length 37.7”
D2A / D2B / D2C 48” DIA
D4A / D4B 96” DIA
D2A-45° arc length 18.85”D2B-90° arc length 37.7”D2C-180° arc length 75.4”
D3-90° arc length 56.55”
D4A-45° arc length 37.7”D4B-90° arc length 75.4”
D5-45° arc length 56.55”
D3 72” DIA
D5 144” DIA
D6 192” DIA
D6-45° arc length 75.4”
D7 240” DIA
D7-30° arc length 62.83”
D1A / D1B 24” DIA
2’-12’ straight sections standard
Forum, Inc. | 100 Chapel Harbor Dr. | Pittsburgh, Pennsylvania 15238 | (412) 781-5970 | forumlighting.com
* Forum reserves the right to change this information at any time. UPDATED 07/23/2018† Dimensions provided as general information. Please see shop drawings for specific rough-in dimensions.
Questions?(412) 781-5970
PATTERN RADIUS WORK SHEET
ARC BY
FIXTURE SECTION QUANTITIES
SPECIFY ARC NOTATION QTY SPECIFY STRAIGHT LENGTH QTY
D2B 4 12’ 2
6’ 2
* Example