Cooper Lighting BETA 50 user manual

Summary of the content on the page No. 1

®
F A I L - S A F E
DESCRIPTION
The Fail-Safe MAF Series is designed for use in horizontal or non-laminar air Type
Catalog #
flow clean rooms. The enclosed and gasketed housing and one-piece, out-
side flanged door protect against infiltration of airborne bacteria. The die
formed edges on the door frame and the hole-free design of the housing
Project
prevent air exchange between the fixture and plenum, allowing relamping
without contamination of the clean areas. These luminaires are U.L. list

Summary of the content on the page No. 2

MAF PHOTOMETRICS Zonal Lumen Summary Candlepower Distr ibution Average Luminance Zone Lumens %Lamp %Luminaire Test No. 5892 Deg. 0-30 1741 18.1 37.5 CFF-12-340 45 2018 1833 0-40 2775 28.9 59.8 400 Lamp=F40T12RS/WW 55 1332 1227 0-60 4105 42.8 88.4 No. Lamps=3 65 1074 1010 0-90 4643 48.4 100.0 Lumens=3200 75 1124 1050 800 90-180 0 0.0 0.0 Spacing Criteria 85 1044 927 0-180 4643 48.4 100.0 =1.2 =1.1 1200 Efficiency=38.7% 1600 2000 Coefficient of Utilization rc 80% 70% 50% 30% 10% 0% rw 70 50 30 10