• Features
Compact lightweight low profile design is suited for low mounting heights in conjunction with lower wattage fixtures
Modular design allows scores of fixture component combinations to meet installation and lighting needs, uses same mounting hoods and optical accessories as Mercmaster III
A choice of heat-resistant prismatic glass refractors (NEMA I, III or V) or heat-resistant globes which thread directly into ballast housing
Standard dome or 30 deg angle reflectors made of fiberglass reinforced white polyester, highly resistant to corrosive atmospheres
Hinge has high lip for added safety during installation and servicing, body gaskets and globe gaskets are high temperature silicone rubber
Hinge and bolt construction assures 360 deg compression at all points on ballast housing gasket for positive sealing
Swing away design of captive bolt and nut simplifies servicing
All Mercmaster III mounting hoods have provision for easy field installation of fuses in fixtures
The Ex nR factory sealed Mercmaster III prevents vapors and gases from entering the globe chamber, there are no seals or putty required which will reduce installation time and installation errors
Cast copperfree (4/10 of 1% max) aluminum mounting hoods, bodies and guard
60 Hz frequency
5 hubs, four close up plugs
3/4 in NTP hub
40 to 65 deg C ambient temperature, 90 deg C supply wire temperature
All hardware and catch assemblies stainless steel, body gaskets and globe gaskets are high temperature silicone rubber
Fiberglass reinforced white polyester reflectors
Heat-resistant prismatic glass globes and refractors
High power factor (min PF 90%)
Baked gray epoxy clad finish, electrostatically applied for complete uniform protection mounting hoods, bodies and guards