Cut Sheet
Coefficients Of Utilization
Effective floor cavity reflectance 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
1 94 90 86 83 90 86 83 80 79 77 75 73 71 69 67 66 64 61
2 86 79 74 69 82 76 71 67 70 66 63 65 62 59 60 57 55 52
3 79 70 64 58 75 68 62 57 63 58 54 58 54 51 54 50 48 45
4 73 63 56 50 69 60 54 49 56 51 46 52 47 44 48 45 42 39
5 67 56 49 43 64 54 47 42 50 45 40 47 42 38 44 40 36 34
6 62 51 43 38 59 49 42 37 46 40 36 43 38 34 40 36 32 30
7 57 46 39 34 55 45 38 33 42 36 32 39 34 30 36 32 29 27
8 53 42 35 30 51 41 34 29 38 32 28 36 31 27 33 29 26 24
9 50 38 32 27 48 37 31 26 35 29 25 33 28 24 31 27 23 22
10 47 35 29 24 45 34 28 24 32 27 23 30 26 22 29 24 21 20
MPSS-ER22-M-400-MT-Q
400-Watt MP
42,000-Lumen Clear Lamp
90
30
CP/1000
60
2.9
5.9
8.9
11.9
Candlepower
Degree CP
0 11840
5 11478
15 11321
25 11845
35 11270
45  8895
55  
65  2449
75  1384
85  636
95  592
105  763
115  833
125  878
135  2128
145  2788
155  2058
165  738
175  568
180  594
Spacing Criterion 1.5
Zone %Lamp Zone %Lamp
0-30 22.0 0-90 71.9
0-40 37.9 90-180 17.4
0-60 61.3 Total 89.3
4232
PHOTOMETRICS
SS 22" ENHANCED REFRACTOR 
ADH082398
2015
-12-02 11:13:08
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



