Model # 419341

Internet #100054121

Store SKU #564190

Philips 400-Watt ED37 Switch Start Metal Halide High Intensity Discharge Light Bulb
0046677253653

Philips

400-Watt ED37 Switch Start Metal Halide High Intensity Discharge Light Bulb

  • Bright white light
  • Saves energy
  • Good for use in industrial, retail settings
$31.47 /each
(limit 35 per order)

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Product Overview

For energy efficiency, long life and high performance, the Philips Switch Start Metal Halide 400-Watt quartz metal halide HID light bulb is an ideal choice. It provides a sparkling white light and is ideal for use in industrial and retail high or low bays and parking lots. Philips Switch Start Metal Halide light bulbs last at least 20,000 hours.

  • Brightness: 37,000 Lumens
  • Estimated yearly energy cost: $48.18 (based on three hours/day, 11¢/kWh. cost depend on rates and use)
  • Life hours: 21.9 years (based on three hours/day)
  • Light appearance: 4000K (warm white)
  • Energy used: 400-Watt
  • Lumens per Watt: 92.5
  • Provides a sparkling white light and is ideal for use in industrial and retail high/low bays and parking lots
  • ED37 shape with a mogul base
  • Brighten up with the right light fixtures. Check out our Buying Guide for helpful tips.

Info & Guides

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Warranty / Certifications

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Customer Questions & Answers

wHAT IS SWITCH START. CAN A PHOTO CELL CONTROL WORK

Asked by: DAVE
Switch start means that this lamp has an integrated igniter. This lamp will only work on an ANSI M59 ballast. It will work with a photo cell. It is strongly advised that this lamp be operated for at least 30 minutes once it is started. Customers should program the photocell accordingly.
Answered by: Consumer Lighting Team
Date published: 2016-01-19

will "probe start" ballast work?

My ballast says it is "probe start". Will it work with the "switch start" bulb?
Asked by: Rick
Requires a ballast specified with ANSI code M59/E and one that is designed to operate popular brands of metal halide lamps.
Answered by: Consumer Lighting Team
Date published: 2016-02-05

•400w, clear MH Pulse Start lamp type m 155/0

I cant locate this
Asked by: kev
Yes its lamp #133348.
Answered by: Consumer Lighting Team
Date published: 2017-01-27

is this a good replacement for the GE MVR400/U

is this a good replacement for the GE MVR400/U
Asked by: mike
Yes its our equivalent replacement.
Answered by: Consumer Lighting Team
Date published: 2016-12-05

Is the sockett size S62?

Asked by: Brad

Woul this lamp fit in a regular size lamp whole?

Asked by: Anonymous
Hello aubie and thank you for your question. The Honeywell 5-1-1 Day Programmable can be used if you have a multi-stage compressor in a conventional system (separate furnace and air conditioner). Multi-stage compressor systems that include a heat pump cannot utilize this thermostat; you would need to contact your dealer for the correct thermostat. Best wishes on your project.
Answered by: DesigningWoman
Date published: 2016-10-16

WHAT IS THE DIFERRENCE IN A ED37 AND A BT37

THE BULB I AM REPLACING IS MARKED BT37 4OO WATT IN THE HOME DEPOT DISCRIPTION OF THE ITEM IT IS HEADED 4OO WATT BUT MAKES REFERENCE TO 175 WATT IN THE DISCRIPTION. WHAT IS THAT.
Asked by: jmcchamp
The 400W BT37 and ED37 are interchangeable. Not sure where the 175W is coming from, but you need to make sure that you are buying the same wattage you are replacing (a 400W lamp needs to be replaced by a 400W lamp
Answered by: Consumer Lighting Team
Date published: 2016-01-19
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Customer Reviews

400-Watt ED37 Switch Start Metal Halide High Intensity Discharge Light Bulb is rated 4.6 out of 5 by 9.
Rated 5 out of 5 by from Thanks for your excellent service! Thanks for your excellent service!
Date published: 2016-12-09
Rated 5 out of 5 by from It's bright. It's bright.
Date published: 2016-12-09
Rated 4 out of 5 by from it's a light bulb It screwed in and it worked, it's what you expect to happen with a light bulb
Date published: 2013-12-17
Rated 5 out of 5 by from great purchase We have been purchasing this item elsewhere but while shopping for something else realized that you carried the item and that the price was much lower than we were paying. Only wish we would have found it sooner. Thanks for your great product and service.
Date published: 2014-12-30
Rated 4 out of 5 by from replacement found Easy..... Just make sure it is not opened or broken
Date published: 2015-12-16
Rated 5 out of 5 by from Nice output I putted these in the shop and they bulbs is very nice bright. White is output too. Hope to last longest time. Recommended
Date published: 2013-01-15
Rated 5 out of 5 by from Worked great for what I needed Easy to install and works great. Long lasting bulb.
Date published: 2015-04-07
Rated 4 out of 5 by from ED37 Bulb Bought two of these and one worked right away. The other took two days befor it decided to com on and stay on.
Date published: 2014-10-14
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