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250 Watt, Clear ED28 Pulse Start Metal Halide Lamp

SKU: FAN1557 | Ordering Code: MP250/ED28/PS/BU/4K

In Stock
Price per Bulb
1 to 11 $22.99 Each
12 to 35 $21.99 Each
36 + $19.49 Each
Bulbs per Case
12
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Product Details

Brand

Plusrite

Energy Used

A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
 
Energy Used
250 Watts

Bulb Shape

The description of the general appearance of a lamp/bulb consists of a letter(s) followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. For example, a common household bulb is the A-19. The bulb is "A" shape and the diameter would be nineteen 8ths of an inch, or 2 3/8".
 
Bulb Shape
ED-28

Base

The end (or ends) of the lamp that fits into the socket.
 
Base
Mogul (E39)

Diameter (in)

Light bulbs: a measurement of a bulb's width taken at the widest point of the bulb. Fixtures: the measurement across the widest point of a circular fixture.
 
Diameter (in)
3.5

Length (in)

Also referred to as "Maximum Overall Length" (MOL). For light bulbs, it measures the length of a light bulb, from the top of the bulb to the bottom of the base or pins and is typically expressed in inches. For light fixtures and ballasts, it applies to the total horizontal length of the item.
 
Length (in)
8.312

Average Rated Life (hr)

A measurement of the average length of time, between first use and the point when 50% of the lamps tested have stopped functioning, , using an operating cycle of 3 hours on, 20 minutes off.
 
Average Rated Life (hr)
15000

Brightness (Lumens)

A rating of the inital light output of a bulb, rated after 100 hrs of operation. Lumens are a measure of how much light falls on one square foot of area, one foot away from the light source.
 
Brightness (Lumens)
23500

CRI

Color Rendering Index is an international system used to rate a lamp's ability to render object colors. The higher the CRI (based upon a 0-100 scale) the richer and more accurately colors generally appear. CRI differences among lamps are not usually visible to the eye unless the difference is more than 3-5 points.
 
CRI
65

Color Temperature (Kelvin)

An expression of the hue of the light emitted, measured in degrees Kelvin. Usually expressed by a four digit number followed by (k), such as 2700k. Higher temperatures indicate whiter, "cooler" colors, while lower temperatures indicate yellower, "warmer" colors. Some common Kelvin temperature benchmarks are 2700k (warm white), 3500k (neutral white), 4100k (cool white), 5000k (bright white), and 6500k (daylight).
 
Color Temperature (Kelvin)
4200K

Osram Sylvania

An Osram Sylvania brand-specific product number for an equivalent item and is provided for the purpose of cross-referencing.
 
Osram Sylvania
64789 - MP250/PS/BU-ONLY

Bulb Technology

The technology implemented by the bulb, e.g. incandescent, halogen, LED
 
Bulb Technology
Metal Halide Pulse Start

Bulb Finish

The surface finish of a bulb, which may affect the quality of the light emitted.
 
Bulb Finish
Clear

Bulb Color

The color of the light produced by a bulb
 
Bulb Color
Cool White

Start Type

For Ballasts, indicates the method the ballast uses to start its bulbs. HID ballasts can be Probe or Pulse start. Fluorescent ballasts can be Rapid, Instant or Programmed start. For HID and Fluorescent bulbs, indicates the start-type of ballast that the bulb will work with.
 
Start Type
Pulse
Description
 
Reviews
 
Q & A

Plusrite brand Pulse Start 250 Watt clear Protected metal halide lamp with mogul base.

  • Protected inner chamber resistant to uncontrolled failure

  • Base Up burn position only

  • Cool white color very popular with many businesses

Metal Halide Ballast (ANSI Code M153/M138) required.  May be safely used in either open or enclosed fixtures

 
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