Technical Characteristics of various electrical lamp technologies

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Are you specifying electric lamps and you need information on the wattage and service life of the commonly used electrical lamps? Here we have listed the wattage, efficiency (lumen/watt) and service life (hours) of some commonly used electric lamps to aid in selecting the right lamps.


Lighting Technology Power (Watt) Efficiency (Lumen/watt) Service Life (Hours)
Standard Incandescent
3 - 1,000
10 - 15
1,000 - 2,000
Halogen Incandescent
5 - 500
15 - 25
2,000 - 4,000
Fluorescent tube
4 - 56
50 - 100
7,500 - 24,000
Compact fluorescent lamp
5 - 40 
50 - 80 
10,000 - 20,000
HP Mercury Vapor
40 - 1,000
25 - 55
16,000 - 24,000
High-Pressure Sodium
35 - 1,000
40 - 140
16,000 - 24,000
Low-Pressure Sodium
35 - 180
100 - 185
14,000 - 18,000
Metal halide
30 - 2,000
50 - 115
6,000 - 20,000
LED
0.05 - 0.1
10 - 30
40,000 - 100,000
Source : Schneider Electric