Specification
Specifications and
dimensions subject to
change without notice.
Eaton
1121 Highway 74 South
Peachtree City, GA 30269
P: 770-486-4800
www.eaton.com/lighting
24CZRK-LD4-50-
UNV-L835-CD1-U
Electronic Driver
Linear LED 3500K
Spacing criterion:
(II) 1.3 x mounting
height, (⊥) 1.22 x
mounting height
Lumens: 5494
Input Watts: 46.4W
Effi cacy: 11 8 lm/W
Test Report:
24CZRK-LD4-50-
UNV-L835-CD1-U.
IES
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
Candlepower
Angle Along II Across ⊥
1902 1902
1896 1892
1875 1862
1840 1809
1789 1739
1721 1653
1641 1548
1549 1434
1447 1309
1331 11 78
1213 1035
1085 894
960 743
833 597
702 450
550 302
369 168
143 55
3 2
Coef
ficients of Utilization
Effective fl oor cavity refl ectance 20%
rc 80%70% 50%30% 10
%0
%
rw 70 50 30 10 70 50 30 10 50 30 10 50 30 10 50 30 10 0
RCR
0
1
2
3
4
5
6
7
8
9
10
119 119 119 119 116 11 6 11 6 11 6 111 111 111 106 106 106 102 102 102 10 0
108 103 99 95 105 101 97 93 97 93 90 93 90 87 89 87 85 83
98 90 83 77 95 88 81 76 84 79 74 81 76 72 78 74 71 68
89 78 70 63 87 77 69 63 74 67 62 71 65 61 68 64 60 57
82 69 60 54 79 68 60 53 66 58 52 63 57 52 61 55 51 49
75 62 53 46 73 61 52 46 59 51 45 57 50 45 55 49 44 42
69 56 47 40 67 55 46 40 53 45 40 51 44 39 50 44 39 37
64 51 42 35 62 50 41 35 48 41 35 47 40 35 45 39 34 32
60 46 37 32 58 45 37 31 44 37 31 43 36 31 42 35 31 29
56 42 34 28 54 42 34 28 41 33 28 39 33 28 38 32 28 26
52 39 31 26 51 39 31 26 37 30 26 37 30 25 36 30 25 24
Zonal Lumen Summary
Zone Lumens% Lamp % Fixture
0-30
0-40
0-60
0-90
0-180
1465 26.7 26.7
2389 43.5 43.5
4217 76.8 76.8
5494 100.0 100.0
5494 100.0 100.0
475
0˚ 30˚
40˚
50˚
70˚
90˚
20˚
80˚
60˚
951
1426
1902
10˚
24CZRK-LD4-40-
UNV-L835-CD1-U
Electronic Driver
Linear LED 3500K
Spacing criterion:
(II) 1.3 x mounting
height, (⊥) 1.22 x
mounting height
Lumens: 4313
Input Watts: 36.3W
Effi cacy: 119 lm/W
Test Report:
24CZRK-LD4-
40-UNV-L835-CD1-
U.IES
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
Candlepower
Angle Along II Across ⊥
1494 1495
1491 1488
1477 1466
1449 1426
1409 1372
1358 1302
1294 1222
1221 11 32
1141 1034
1055 926
959 816
863 704
764 586
662 469
562 354
441 237
290 132
112 43
2 1
Coef
ficients of Utilization
Effective fl oor cavity refl ectance 20%
rc 80%70% 50%30% 10
%0
%
rw 70 50 30 10 70 50 30 10 50 30 10 50 30 10 50 30 10 0
RC
R
0
1
2
3
4
5
6
7
8
9
10
119 119 11 9 119 11 6 11 6 11 6 116 111 111 111 106 106 106 102 102 102 10 0
108 103 99 95 105 101 97 93 97 93 90 93 90 87 89 87 85 83
98 90 83 77 95 88 81 76 84 79 74 81 76 72 78 74 71 68
89 78 70 63 87 77 69 63 74 67 62 71 65 61 68 64 59 57
82 69 60 54 79 68 60 53 65 58 52 63 57 52 61 55 51 49
75 62 53 46 73 61 52 46 59 51 45 57 50 45 55 49 44 42
69 56 47 40 67 55 46 40 53 45 40 51 44 39 50 44 39 37
64 51 42 35 62 50 41 35 48 41 35 47 40 35 45 39 34 32
60 46 37 32 58 45 37 31 44 37 31 43 36 31 42 35 31 29
56 42 34 28 54 42 34 28 41 33 28 39 33 28 38 32 28 26
52 39 31 26 51 39 31 26 38 30 26 37 30 25 36 30 25 24
Zonal Lumen Summary
Zone Lumens% Lamp % Fixture
0-30
0-40
0-60
0-90
0-180
1151 12.6 12.6
1876 43.5 43.5
3309 76.7 76.7
4313 10 0.0 100.0
4313 10 0.0 100.0
374
0˚ 30˚
40˚
50˚
70˚
90˚
20˚
80˚
60˚
748
1121
1495
10˚
PHOTOMETRICS
2’ X 4’ CZRK LED
PS519132EN
3-8-2018