WS Series
Wet Location LED Linear Luminaire
WS4™
Durable and Robust Ideal for Environmentally-Demanding Locations
EXCEPTIONAL
PERFORMANCE-OPTIMIZED
ROBUST
BROAD RANGE OF
Lighting Performance
Technology & Design
Construction
Applications
Reliable illumination for demanding
applications. Diffused lens prevents
direct view of LEDs and pixelation.
Features a full, luminous appearance
with optimized lumen distribution.
Beautifully designed, highly efficient
IP65-rated LED luminaire producing
up to 98 lumens per watt with
70,000 hours of life and offering a
10-year limited warranty.
Constructed of one-piece molded,
rugged fiberglass-reinforced polyester
and UV-stabilized, impact-resistant
diffused acrylic shielding. Optimal choice
for cold or hot weather installations.
With an operating range of -25°C to
35°C and built for wet locations and
areas with dust, dirt or humidity,
ideal for showers, walk-in coolers &
more.
Cree IS LED Lighting
Visit www.cree.com/lighting/wsseries or contact a Cree lighting representative to learn more.
The versatile Cree® WS Series wet location LED linear
luminaire is a durable, robust wet location fixture
ideal for environmentally-demanding indoor and
outdoor applications. This IP65-rated luminaire is
water-resistant and provides dust protection for use in
environments where similarly-rated fluorescent fixtures
are installed. Suitable for operating temperatures
ranging from -25° to 35°C, the WS Series provides
protection from external elements, allowing for cold
to hot weather environment installations in both new
construction and upgrade applications.
PERFORMANCE SUMMARY
Cree Full Definition Technology
DELIVERED LIGHT OUTPUT: 4700, 5000, 5900 and
6300 lumens
EFFICACY: Up to 98 LPW
CRI: FD (Full Definition) color - minimum 80 CRI
CONSTRUCTION & MATERIALS
•Constructed of fiberglass reinforced polyester
•Polycarbonate latches
•Two 1/2" entry points are provided (one at each end of the housing) for
continuous feed
•Frosted injection molded acrylic shielding
MOUNTING: Ceiling or wall
90˚
•Polyurethane gasketing is poured in place, providing a continuous,
seamless seal
•Highly reflective reflector plate provides maximum efficiency
ELECTRICAL SYSTEM
•Power Factor = 0.9 nominal
•Input Power: Stays constant over life
•Input Voltage: 120-277 VAC
•Temperature rating: Designed to operate in temperatures -25°C to 35°C
•Total Harmonic Distortion: <20%
495
990
1981
0˚
•Continuous dimming with 0-10V DC control protocol
MOUNTING OPTIONS
•Ceiling
•Wall
30˚
45˚
0˚
90˚
RCC %:
80
RW %:
70
50
30
0
RCR: 0
1.18
1.18
1.18
1.18
1
1.06
1.00
.95
.91
2
.96
.87
.79
.73
.61
3
.87
.76
.67
4
.80
.67
.58
.51
5
.73
.60
.51
.44
6
.68
.54
.45
.39
7
.63
.49
.40
.34
8
.59
.45
.36
.31
9
.55
.41
.33
.27
10
.51
.38
.30
.25
Effective Floor Cavity Reflectance: 20% Average Luminance Table (cd/m2)
Horizontal Angle
•UL listed for wet locations
CONTROLS
60˚
1486
REGULATORY & VOLUNTARY QUALIFICATIONS
•IP65 rated
WEIGHT: 12 lbs.
120˚
•Full Definition LEDs
INPUT VOLTAGE: 120-277 VAC
DIMENSIONS: L 51.8" x W 6.8" x H 4.3"
Coefficients Of Utilization
150˚
OPTICAL SYSTEM
• cULus listed
WARRANTY: 10-year limited warranty
WS4-59L-35K-10V-FD / Based on DTC Report Test #: 38552
•Top of housing has six embossments providing mounting flexibility to
uneven surfaces
CCT: 3500K, 4000K, 5000K, 5700K
LIFETIME: Designed to last 70,000 hours at 25°C
PHOTOMETRY
Vertical Angle
Maximum Value.
Maximum Protection.
Zonal Lumen Summary
0°
45°
90°
Zone
Lumens
0°
1,992
1,992
1,992
0-30
1,482
24.9%
45°
1,152
1,163
1,170
0-40
2,387
40.2%
Luminaire
55°
831
878
889
0-60
4,075
68.6%
65°
530
586
731
0-90
5,556
93.5%
75°
278
357
597
0-180
5,941
100%
85°
86
192
425
DIMMING: 0-10V standard: 10% - 47L and 50L;
15% - 59L and 63L
Visit www.cree.com/lighting for an explanation of calculations for these
recommended WS Series Lumen Maintenance Factors. Reference
www.cree.com/lighting for detailed photometric data.
Product specifications subject to change at any time.
Visit www.cree.com/lighting to find the most up-to-date
information.
WS4™
4.3”
51.8”
WS4-59L-35K-10V-FD
•5900 lumens, 94 LPW
•100,000 hours
•10-year limited warranty
Dimensions: L 51.8” x W 6.8” x H 4.3”
© 2013 Cree, Inc. All rights reserved. For informational purposes only. Not a warranty or specification. See www.cree.com/lighting for warranty and specifications. Cree® and the Cree logo are registered trademarks, and WS4™ is a trademark of Cree, Inc.
CAT/SSHT-C011 Rev2