Product data

• Cap base E40 [ E40]
• Burning Position H [ Hanging or Base Up (BU)]
• Life to 50% failures (nom.) 10000 h
• System description na [ -]

Light Technical

• Colour Code 640 [ CCT of 4000K]
• Lamp Luminous Flux (Min) 17450 lm
• Lamp Luminous Flux (Nom) 20500 lm
• Colour Designation Cool White (CW)
• Lumen maintenance 2,000 hours (nom.) 80 %
• Chromaticity coordinate X (nom.) 390
• Chromaticity coordinate Y (nom.) 390
• Colour Temperature, horizontal (Nom) 4000 K
• Lamp Luminous Efficacy EM (Nom) 82 lm/W
• Colour Rendering Index,horiz (Nom) 60

Operating and Electrical

• Power (Rated) (Max) - W
• Power (Rated) (Min) - W
• Power (Rated) (Nom) 250.0 W
• Lamp current run-up (max.) 3.5 A
• Lamp current (EM) (nom.) 2.1 A
• Ignition supply voltage (max.) 198 V

Ignition supply voltage (min.) 198 V

• Voltage (Max) 148 V
• Voltage (Min) 118 V
• Voltage (Nom) 133 V

Controls and Dimming

• Dimmable no

Mechanical and Housing

• Bulb finish Clear (CL)
• Approval and Application
• Energy efficiency label (EEL) A+
• Mercury (Hg) content (nom.) 33 mg
• Energy Consumption kWh/1000 h 275 kWh

Luminaire Design Requirements

• Bulb temperature (max.) 400 °C
• Cap base temperature (max.) 210 °C

Product Data

• Full product code 871150019937915
• Order product name MH - 250W/640 E40 CL U 1SL/12
• EAN/UPC – product 8711500199379
• Order code 928480300097