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CXA1512-0000-000F00K20E6 产品设计参考手册 - CREE（美国科锐）
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CXA1512-0000-000F00K20E6数据手册
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Copyright © 2013-2016 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree
®
, XLamp
®
and EasyWhite
®
are registered trademarks and the Cree logo is a
trademark of Cree, Inc. ENERGY STAR
®
is a registered trademark of the U.S. Environmental Protection Agency. Other trademarks, product, and company names are the property of their respective owners and
do not imply specic product and/or vendor endorsement, sponsorship or association. For product specications, please see the data sheets available at www.cree.com. For warranty information, please
contact Cree Sales at sales@cree.com.
4
XLAMP
®
CXA1512 LED RETAIL TRACK LIGHT REFERENCE DESIGN
Characteristic
Source start time requirement:
directional and non-directional
luminaires
Light source shall remain continuously illuminated within one second of application of electrical power.
Dimming requirements The luminaire and its components shall provide continuous dimming from 100% to 35% of total light output.
Step dimming, if employed, shall provide at least two discrete light output levels ≥ 35% of total light output and not including 100%
output.
Power factor requirements: directional
and non-directional luminaires
Total luminaire input power less than or equal to 5 watts: PF ≥ 0.5
Total luminaire input power greater than 5 watts:
Residential: PF ≥ 0.7
Commercial: PF ≥ 0.9
Transient protection requirements: all
luminaires
Ballast or driver shall comply with ANSI/IEEE C62.41.1-2002 and ANSI/IEEE C62.41.2-2002, Class A operation. The line transient
shall consist of seven strikes of a 100 kHz ring wave, 2.5 kV level, for both common mode and differential mode.
Operating frequency requirements:
directional and non-directional
luminaires
Frequency ≥ 120 Hz
Note: This performance characteristic addresses problems with visible icker due to low frequency operation and applies to
steady-state as well as dimmed operation. Dimming operation shall meet the requirement at all light output levels.
Noise requirements: directional and
non-directional luminaires
All ballasts & drivers used within the luminaire shall have a Class A sound rating.
Ballasts and drivers are recommended to be installed in the luminaire in such a way that in operation, the luminaire will not emit
sound exceeding a measured level of 24 BA.
The DesignLights Consortium
®
(DLC) provides requirements for track or mono-point directional lighting xtures, summarized in Table 5.
3
Table 5:
Characteristic
Unit DLC Value
Minimum light output lm 250
Zonal lumen density ≥ 85%: 0-90°
Minimum luminaire efcacy lm/W 40
Allowable CCTs (ANSI C78.377-2008) K ≤ 5000
CRI 80
L70 lumen maintenance hours 50,000
Minimum luminaire warranty years 5
2. DEFINE DESIGN GOALS
Examination of existing CMH PAR38 lamp data sheets gives the basic benchmark data shown in Table 6.
4
Table 6: PAR38 benchmark data
Lamp
Power
CBCP
Beam Angle
CCT
CRI
Lifetime
CMH Lamp A 20 1,200 60 24,000 10 3100 82 12,000
CMH Lamp B 20 1,000 50 13,000 8 3000 81 12,000
CMH Lamp C 25 1,450 58 26,000 10 3000 87 15,000
This retail track light design benets from the directional XLamp CXA1512 LED. Omnidirectional CMH lamps do not emit all their light
toward the target area to be illuminated, resulting in losses within the xture. The directional CXA1512 LED emits all its light toward the
3 Technical Requirements Table v1.7, DesignLights Consortium Qualied Products List - Non-Residential Applications
4 Source: Data sheet information on-line.
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