NEO-RAY
DESCRIPTION
Nimbus I is a dedicated T5 indirect high performance luminaires. High
efficiency and wide light optical distribution allow for wider fixture spacing
and closer ceiling mounting. Nimbus I is suitable for a broad range of
applications, including private offices, open office plans, classrooms, and
conference spaces.
Type
Catalog #
Project
Date
Comments
Prepared by
SPECIFICATION FEATURES
A ... Construction
Housing is one-piece, die-formed,
cold rolled steel, forming a 8-3/4" x
1-5/8" architectural profile.
Standard 4'-0" and 8'-0" fixture
lengths combine for continuous
runs.
C ... Reflectors
Side and center reflectors are
formed semi-specular anodized
aluminum.
B ... End Caps
End caps are precision die-cast
aluminum mechanically attached
without exposed fasteners. Two
distinct styles are available.
A
C
1-5/8"
[41mm]
D ... Electrical
Fixtures use UL listed Class P,
programs rapid start T5HO
electronic ballasts. Power factor of
97% with less than 10% THD.
Fixtures and electrical components
certified to UL and CUL standards.
Note: Please consult factory,
Fifthlight may not be available in
some configured options.
End Cap “ES” - Straight (Standard)
D
E
END CAP “ES”
Nimbus I
601-IP
B
(Straight - Standard)
2T5
2T5HO
S
Suspended
Semi-Indirect
End Cap - Side View
8-3/4" [222mm]
6" [152mm]
END CAP “ET”
Light Distribution:
Indirect - 95.4%
Direct - 4.6%
B
(Tapered)
S TA N D A R D L U M I N A I R E L E N G T H S *
Optional End Cap
48"[1219mm]*
96"[2438mm]*
End Cap - Side View
*Dimensions do not include end caps.
4-1/4" [108mm]
S
= Slim Line Ballast only.
End Cap “ET” - Tapered
ORDERING INFORMATION
Sample Number: 601IP-SP-2T5-1C-120-AC48-T1-24-ET
Series
601IP=Nimbus I
Suspended
Number of Lamps
Optics Up
S=Specular
Lamp Type
T5HO=54W (4' Unit)
Optics Down
P=Perforated
N=None
(Not included)
2=2 Lamps
Suspension
A=Aircraft Cable
C=Standard Circuit
D=Dimming
P=Rigid Pendant 2
(single stem)
E=Emergency
T=Nightlight
T5=28W (4' Unit)
Number of Circuits
1=1 Circuit
Wiring 1
B=Battery Pack
1
2=2 Circuits (Side by Side)
Voltage 1
120=120V
Suspension Length
Fixed Cable
12", 15", 18", 21", 24", or
27"
Adjustable Cable
Power Feed 1
C=Straight Cord
K=Curly Cord
P=Rigid Pendant
48", 120" or 240" (infinite
adjustment along entire
length of cable)
277=277V
347=347V
Ceiling Type
T1=1'' T-Bar
End Cap
ET=Tapered
T9=9/16'' T-Bar
TS=Slotted T-Bar
ES=Straight
ST=Structure
JB=4'' Octagonal
J-Box
Run Length
Overall Nominal Run
Length ___ ft.
UNV=Universal
(120V277V)
Notes: 1
2
Not all options available. Please consult your Cooper Lighting Representative for availability.
Available with 7° or earthquake 45° swivel canopy assembly.
Specifications and Dimensions subject to change without notice.
Consult your representative for additional options and finishes.
ADN041804
09/19/2013 1:30:44 PM
Nimbus I 601-IP
PHOTOMETRICS
Coefficients of Utilization
rc
rw
RCR
0
1
2
3
4
5
6
7
8
9
10
601IP-SP-2T5HO
(2) FP54/835/HO
5000 Lumens
Effective floor cavity reflectance
80%
70 50 30 10
83
76
69
63
57
53
48
45
41
38
36
83
72
53
55
49
43
39
35
32
29
26
83
69
58
49
43
37
32
29
26
23
21
83
66
54
45
38
32
28
24
21
19
17
Candela
20%
50%
50 30 10
30%
50 30 10
50
44
38
34
30
27
24
22
20
18
16
31
27
23
21
18
16
15
13
12
11
10
50
42
36
31
27
23
20
18
16
15
13
50
41
34
28
24
21
18
16
14
12
11
31
26
22
19
17
15
13
11
10
09
08
31
25
21
18
15
13
11
10
09
08
07
Efficiency 86.4%
Zonal Lumen Summary
Test Report
#10649
.
Zone
Lumens
%Lamp
%Fixture
0-30
0-40
0-60
0-90
90-120
90-130
90-150
90-180
0-180
137
219
350
394
3129
4684
6967
8245
8639
1.40
2.20
3.50
3.90
31.30
46.80
69.70
82.50
86.40
1.60
2.50
4.00
4.60
36.40
54.20
80.60
95.40
100.00
Coefficients of Utilization
Effective floor cavity reflectance
rc
rw
RCR
0
1
2
3
4
5
6
7
8
9
10
602IP-SN-2T5HO
(2) FP54/835/HO
4500 Lumens
30 30 30
45°
0
0
0
0
Across
0
0
0
0
27 26 25
23 22 21
85
90
0
0
0
0
0
0
20
18
16
14
13
17
15
13
11
10
95
100
105
110
115
56
128
225
339
458
373
1029
1601
2025
2200
325
986
1711
2453
2847
12 10 09
11 09 08
10 08 07
120
125
571
702
2145
2179
2938
3165
130
135
140
145
150
155
160
165
816
948
1019
1107
1222
1303
1350
1387
2055
2062
1873
1784
1789
1718
1671
1555
3011
2967
2556
2311
2211
2038
1927
1706
170
175
180
1465
1452
1474
1545
1466
1474
1627
1486
1474
70
91
91 91 91
53 53 53
83
75
79 75 72
69 63 59
46 44 43
40 38 35
68
62
57
53
48
60
53
47
42
38
35
31
28
25
23
45
42
39
34 28 23
31 25 21
29 23 18
32
28
24
21
19
29
25
21
19
16
20 17 14
19 15 13
17 14 11
Zonal Lumen Summary
Zone
Lumens
%Lamp
%Fixture
0-90
90-120
0
3669
0.00
36.70
0.00
38.40
90-130
90-150
90-180
0-180
5525
8191
9555
9555
55.20
81.90
95.50
95.50
57.80
85.70
100.00
100.00
Across
175
174
170
159
131
99
68
41
19
5
2
314
1537
2395
2619
2473
1914
1747
1620
1464
1476
Along II
0
0
0
0
30%
50 30 10
Efficiency 95.0%
Test Report
#10650.0
45°
175
174
169
158
131
97
62
33
9
0
0
338
1386
1782
1802
1719
1512
1530
1532
1452
1476
Angle
0-45
55
65
75
20%
50%
50 30 10
48
41
35
30
26
Along II
175
174
168
155
127
90
57
23
1
0
0
55
236
475
720
969
1102
1301
1442
1442
1476
Candela
80%
50 30 10
54
46
40
35
31
Angle
0
5
15
25
35
45
55
65
75
85
90
95
105
115
125
135
145
155
165
175
180
19
16
14
13
11
MOUNTING INFORMATION
Stan d a r d J o i n in g – P r eci se a li g nment with supsended tile ceiling.
48"
48"
96"
96"
Beginning or end of run
Intermediate
Specifications and Dimensions subject to change without notice.
Neo-Ray • Customer First Center • 1121 Highway 74 South • Peachtree City, GA 30269 • TEL 770.486.4800 • FAX 770.486.4801
ADN041804
09/19/2013 1:30:44 PM