Cut Sheet
Industrial Mercmaster
™
LED Low Profile Luminaires
For Ordinary Locations
NEC/CEC:
cCSAus Listed
Type 3R, 4, 4X
IP66/IP67
NEC/CEC:
Simultaneous Exposure
Suitable for Use in Wet Locations
Marine Outside Type (Salt Water)
For USA ONLY
International Dark Sky (IDA) Approved
Illustrated Features
Heatsink
Reliableheattransferviathecast,epoxy
powdercoataluminumbody.Provides
maximumheatdissipationfromtheLED
assemblytotheoutsideenvironment.
Driver Assembly
Utilizingnon-sparkingcomponents
avoidingtheignitionofgasesorvapors
thatmaybepresent.
Cooler Operating Cone Hood
Largerslopedsurface
shedsdusts,dirtand
combustiblefibers
providingbetterheatdissipation.
Fuses (optional)
Fusesfactory
installedinluminaire
housing.Use of
fuse voids Marine
Outside Type (salt
water) rating.
Watertight Pendant
Hood
RedesignedPendant
hoodprovides
protectionagainstwater
ingressintheconduit
utilizinganIP68cord
gripwiththreewireholes
4mmindiameter.
Photocell (optional)
FactoryInstalledintheMountingHood.
Availableforallfixturesexceptcone
andceilingmount.Providescontinuous
ON-OFFdusk-to-dawncontrol.Note:
Fixtures with PCD2 photocontrols are
not rated IP66, Type 4X, Marine Outside
Type (Salt Water), but are suitable for wet
locations.
Terminal Blocks
Aseven-pointterminalblockisprovided
tofacilitatewiring.Terminalblock
accommodateswiresizerangingfrom
26-10AWG.
Mounting Hood and Globe Gaskets
Siliconerubbergasketssealoutmoisture,dirt
anddust.Staysflexible,withstandsextreme
temperatures.Closuredesignassuresuniform
gasketcompression.
Epoxy Finish
Fixturehousing,hoodsandguardsare
copperfreealuminumwithtripleprotection
epoxypowdercoatfinish.
Stainless Steel Latch
Assembly
Captive,stainlesssteel
latchassemblyboltand
nutclosessecurely,
resistsattackof
corrosiveatmospheres.
Swing-awaydesign
simplifiesservicing.
Prismatic
Refractors
Heat-resistant
refractorthreads
directlyintofixture
housingandseal
againstahigh-
temperaturesilicone
rubbergasket.
Electrical Protection
Groundwireprovidedtobondmounting
hoodtofixturehousing.External
Groundingprovisionforadditionalsafety.
Reflectors and Visors
Reflectorsarethick,
toughfiberglass
reinforcedwhite
polyester.Visor
isaluminumwith
electrostatically
applied,grayepoxy
powdercoatfinish.
Quicklyattacheither
accessorytoluminaire
withfurnished
stainlesssteelscrews.
“Safety” High Hinge
Extra-highhinge
providesadditional
protectionagainst
accidentalfixture
housingdisengagement
duringinstallationor
maintenance.
“Safety” Cable
Safetycableoption
threadsthroughthe
fixturehousingfor
additionalsafety.
Factory Installed. Fusing only permitted for cCSAus rating.
Available for 120-277 VAC models only.
Use of fuse voids Marine Outside Type (Salt Water) rating.
LED/AREA: NEC/CEC, ATEX/IECEx ENCLOSED AND GASKETED
Visit our website at www.emerson.com or contact us at (800) 621-1506.
© March 2019
2










