Pendant
Pendant Cone
Wall
Ceiling
25° Stanchion
90° Stanchion
Fixture Unit
Clear
Polycarbonate
Diffused
Polycarbonate
Clear Glass
Glass Refractor
industrial Mercmaster™ LED Low Profile luminaires — ordinary location
Standard materials
• Compact light weight low profile design is
suited for low mounting heights.
• Mounting hoods and bodies: cast copperfree
• Six standard mounting hood designs allow for Suitable Locations
(4/10 of 1% max.) aluminum
mounting in any location. Uses same mounting
• Ordinary location fixtures suitable for use in:
• All hardware and catch assemblies: stainless
hoods as Mercmaster III.
— Heavy industrial locations where severe
steel
• Customize to the application requirements with
weather conditions, excessive moisture,
• Globe: polycarbonate or glass
four different globe options: clear and diffused
dirt, dust, corrosive atmosphere, or high
• Refractor: heat-resistant prismatic glass
polycarbonate, clear glass, or prismatic glass
ambient temperatures are encountered.
• Glass globe guard: stainless steel wire
refractor.
— Marine and wet locations
• Refractor guard: die cast aluminum
• Three light output levels for retrofit of HID
— Areas of low clearance, low ceiling
• Reflectors: fiberglass reinforced white polyester
fixtures up to 150 W.
heights or where fixture weights must
• Hinge has high lip for added safety during
standard finishes
be minimized
installation and servicing. Hinge and bolt
•
Typical
applications
include:
• Mounting hoods, bodies and glass refractor
construction assures 360° compression at all
— Manufacturing plants
guard: baked gray epoxy powder coat finish,
points on fixture housing gasket for positive
— Storage area/warehouse
electrostatically applied for complete uniform
sealing. Swing away design of captive bolt and
— Platforms
protection
nut simplifies servicing.
— Loading docks
• Operating ambient: BU: -40 °C to +55 °C (-40 °F
NEC/CEC Ratings
— Food processing
to +131 °F)
— Parking garages
BH: -30 °C up to +55 °C (-22 °F up to +131 °F)
• cULus Listed
• Standard NPT threads.
• Type 3R, 4, 4X
options
• Electrical Ratings
• IP66
— Input Voltage: 120-277 Vac, 50/60 Hz,
• Glass globe guard is stainless steel wire.
• Suitable for Use in Wet Locations
347-480 Vac, 50/60Hz
Glass refractor guard is die cast aluminum with
• Marine Outside Type (Salt Water) for USA ONLY
— Power Factor : >0.97 @ 120 V >0.9 @ 347V
gray epoxy powder coating to match fixtures. • DLC Qualified Products Listed
— Surge Protection Common/Differential Mode:
• All Mercmaster mounting hoods have
100kHz Ring Wave (w/t 30Ω): up to 6 KV
provision for fuses in fixtures; add suffix –F at
1.2/50 µs Combination Wave (w/t 2Ω):
the end of the catalog number. 
IMLLED2, IMLLED3 up to 4 KV; IMLLED4 3 KV
• Photocontrols are available with all except
— Total Harmonic Distortion (THD): <20%
ceiling and pendant cone mounting hoods,
and are configured to your operating voltage. 
 Power Factor >0.88 for IMLLED4. BU, >.83 for IMLLED4BH
 Factory installed.
 Available for 120-277 Vac models only.
For product information:
www.appletonelec.com
1.800.621.1506
industrial Mercmaster™ LED Low Profile luminaires — ordinary location
IMLLED
A
2
IMLLED - Industrial
Mercmaster LED
Low Profile Series
2
Lumen Output :
2 - 2K Lumens, 5700K CCT
3 - 3K Lumens, 5700K CCT
4 - 4K Lumens, 5700K CCT
P5
BU
P5 - NEMA Type V Clear Polycarbonate
Globe
D5 - NEMA Type V Diffused
Polycarbonate Globe
G5 - NEMA Type V Glass Globe 
J5 - NEMA Type V Glass Refractor 
Hub Size:
2 - 3/4” NPT
3 - 1” NPT
4 - 1-1/4” NPT stanchion
5 - 1-1/2” NPT stanchion
Mounting:
A - Pendant
C - Ceiling 
D - Pendant Cone Hood 
R - 90° Stanchion
S - 25° Stanchion
W - Wall
5
Options:
F -Fusing 
5 - Photocontrol 120V 
6 - Photocontrol 208V 
7 - Photocontrol 240V 
8 - Photocontrol 277V 
Voltage:
BU - 120-277 Vac, 50/60Hz
BH - 347-480 Vac, 50/60Hz
IMLLED2
IMLLED3
BU
BH
IMLLED4
BU
Voltage Range
BH
BU
BH
BU: 120-277 Vac, 50/60Hz/BH: 347-480 Vac, 50/60Hz
Input Power (@ 120V)
Lumen Output (Lumens)
– Clear Polycarbonate
– Diffused Polycarbonate
– Clear Glass
– Prismatic Glass
26W
35W
2400
2300
2500
2200
.21@120V
.10@277V
Line Current
2300
2200
2400
2100
.69@347V
.53@480V
T-Rating
48W
3400
3300
3600
3100
.29@120V
.13@277V
3500
3300
3600
3100
.99@370V
.74@480V
4800
4600
5000
4300
.41@120V
.20@277V
4800
4600
5000
4500
.15@347V
.12@ 480V
N/A
BU: -40 °C to +55 °C (-40 °F to +131 °F)
BH: -30 °C up to +55 °C (-22 °F up to +131 °F)
5700K / 70
IMLLED2/IMLLED3: 9lbs (4.1 kg)
IMLLED4: 10.1 lbs(4.6kg)
Epoxy powder coat finish, electrostatically applied for complete, uniform protection
60,000+ hours
5 years
Ambient Temperature
CCT/CRI
Fixture Weight
Standard Materials
Lifetime
Warranty
Photometric Comparisons at 10ft Mounting Height 
IMLLED3P5BU
with Clear Polycarbonate Lens
3
2
1
0
1
2
IMLLED3D5BU
with Diffused Polycarbonate Lens
3
2
1
0
1
2
IMLLED3G5BU
with Glass Globe
3
2
1
0
1
IMLLED3J5BU
with Glass Refractor
2
3
2
2
2
2
1
1
1
1
0
0
0
0
1
1
1
1
2
2
2
2
3
3
3
10 fc
5 fc
2.5 fc
1 fc
0.5 fc
0.2 fc
0.1 fc
Distance in units of mount height (10ft)
10 fc
5 fc
2.5 fc
1 fc
0.5 fc
0.2 fc
0.1 fc
Distance in units of mount height (10ft)
2
1
0
1
2
3
10 fc
5 fc
2.5 fc
1 fc
0.5 fc
0.2 fc
0.1 fc
Distance in units of mount height (10ft)
5 fc
2.5 fc
1 fc
0.5 fc
0.2 fc
0.1 fc
Distance in units of mount height (10ft)
 Ceiling and pendant cone hood mounted luminaries are not designed to use the PC photocontrol. Ceiling mounts must use an FS/FD box with a photocontrol. Contact your local sales
representative for more information.
 Luminaires with photocontrol are not rated IP66 or Marine Outside Type (Salt Water). Photocontrol available for 120-277 Vac only.
 Guards for the glass refractors and globes are ordered separately. See the list of accessories for more information.
 For specific lumen output information, see Lamp Comparison Chart.
 120V-277 Vac versions only. For 347-480 Vac version, please see Mercmaster LED Low Profile catalog pages.
 Factory installed.
United States: 1.800.621.1506 | Asia/Pacific: + 65.6556.1100 | Australia: + 61.3.9721.0348
Canada: + 1.888.765.2226 | China: + 86.21.3338.7000 | Europe: + 33.3.22.54.13.90
Mexico/Latin America: + 52.55.5809.5049 | Middle East/Africa/India: + 971.4.811.8100
www.appletonelec.com
Appleton Grp LLC d/b/a Appleton Group. The Appleton and Emerson logos are registered in the U.S. Patent and Trademark Office.
All other product or service names are the property of their registered owners. © 2016, Appleton Grp LLC. All rights reserved.