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Sylvania MS400/PS/BU-ONLY/ED37 - 400W Metal Halide - Pulse Start - ED37 - Mogul - 4000K

Clear Finish • 30,000 Hours (Vertical Mount) • M155/S

19.95 $ Topbulb

Order Code: SY64055

Price: $19.95

Ships in 5-10 Days

This item usually ships in 5-10 days after order is placed.

Sylvania Metalarc pulse start lamps feature new metal halide lamp technology to provide less color shift over the life of the bulb, high lumen maintenance and long life.

When operated within 15 degrees of vertical, this lamp may be operated in an open fixture provided the installation is not near people or flammable or combustible material, otherwise it must be operated in an enclosed fixture.

See the document below for complete specifications for the entire family of Metalarc Pulse Start lamps.


  • Ambient Lighting: Industrial and Commercial
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  • Parking Lots
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About Osram Sylvania

For over a century, Osram Sylvania has been an industry leader in the research and development of innovative lighting. Osram Sylvania is the second largest light and materials company in the world, serving customers in more than 140 countries. Over 3000 products are available for a variety of lighting applications, each one designed and manufactured to the highest possible standards. The company is helping consumers and businesses make a smooth transition from the inefficient legacy lighting products to more efficient and eco-friendly options.

ANSI Code M135, M155
Watts 400
Lamp Shape ED37
Base E39 (Mogul)
Bulb Diameter (In.) 4.6
Average Life (hours) 30000
Color Temperature 4000
Color Rendering Index 65
Initial Lumens 42000
Mean Lumens 31000
Max Overall Length (In.) 11.50
Bulb Finish Clear
Lamp Type Metal Halide
Lamp Sub-Type Pulse Start
Operating Burn Position Base Up
Luminaire Requirement S
Available in Case Of 6

Topbulb Order Code SY64055
Brand Osram Sylvania
Manufacturer's Description MS400/PS/BU-ONLY/ED37
MPN 64055
UPC 046135640551