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M175/U - Metal Halide Bulbs

BT28 Metal Halide Lamp
Our price (Before qty discounts*): $13.87
In stock
Item Number: 64471
Manufacturer: Sylvania Lighting
Manufacturer Part No: M175/U
Technology: Metal Halide
Watts: 175
Lumens: 14,400
Shape: BT37 Clear
Color Temp: 4200K
CRI (Color Rendering Index): 65
Base Type: Mogul E39
ANSI: M57/E
Ballast Type: M57

Buy more and save!

QuantityAmount
1 to 5$13.87
6 to 11$13.32
12 or more$12.90
Product Specifications - Quick Reference
Lamp Wattage:
175 Watts
 
Dimensions:
3.5" W x 8.8" L (MOL)
ANSI Type:
Bulb Shape:
M57/E
BT28
 
Initial Lumens:
Mean Lumens:
14,400 (V)
9,300
Base Size:
E39 Mogul Base 
 
Rated Life:
10,000 Hours (V)

Metal Halide Cross Reference:

Sylvania M175/U
Philips MH175/U

Venture MH175W/U

Eiko MH175/U

Grainger 4V550

 
Group relamping, as a planned maintenance program, reduces downtime, labor costs, eliminates workday disruptions and is a practical way to sustain workers' visual acuity with a bright workplace environment. Metal Halide light levels are at their peak when a lighting installation is new. Most standard probe start metal halide lamps decrease to as low as 25% of their initial light output by the end of their rated life. As well, the quality of light changes over their economic life, shifting in color temperature. Most of this shift occurs in the last 25% of rated life. This causes old lamps to appear blue or pink, especially when compared to new lamps. While the light output of a metal halide lamp decreases over life, they will still consume the same, or sometmes more, electricity.  Since energy is the largest cost of lighting, group relamping prevents almost half of the energy from being wasted by under-performing lamps. For example, a 400 watt metal halide lamp may consume $800 of electricity over its rated life.  After 60% of rated life, about $320 is wasted on lamps providing less than mean lumens. Consider group relamping your facility as an integral component of your overall energy saving program.
 
Sylvania METALARC metal halide lamps allow for design flexibility with multiple light source solutions to choose from. METALARC lamps have significantly higher efficacy than mercury vapor or incandescent products and considerably better CRI than mercury vapor and high pressure sodium lamps. 
 
 
Sylvania M175/U (64471), 175W Metal Halide, Universal Burn Lamps are intended primarily for use in enclosed luminaires.  Initial Lumens 14,400, Mean Lumens 9,300, rated average life 10,000 Hours when burned in the Vertical position, ANSI Type M57/E.  These Sylvania Metalarc Metal Halide HID light bulbs employ a Mogul Base and are designed with a BT28 bulb.

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