Product Made in Japan
Manufacturer: Iwasaki Electric Co., Ltd
Model: B33

Three colours temperature variations available: White daylight (5,000K), White (4,000K) and warm incandescent (3,000K)

High colour rendering ensures vivid illumination

Highly efficient output of up to 121ℓm/W (5,000K)

Long life: 40,000 hours

Features

• Quickly reaches full brightness
• Three colors temperature variations available: White daylight (5,000K), White (4,000K) and warm incandescent (3,000K)
• Replacement of lamps and ballasts of existing luminaires enable significant energy savings
• Uniformity of light distribution equivalent to an HID lamp
• High color rendering ensures vivid illumination
• Highly efficient/high-powered COB-type LED package
• Highly efficient output of up to 121 ℓm/W (5,000K)
• Long life: 40,000 hours

COB-type LED package

Product Series

Rating

• Operation Temperature Range: -25 to +40°C
• Certification: CE

Mechanical

• Body: Die-Cast Aluminium, PES (Polyethersulfone)
• Glove: Polycarbonate
• Finish Colour: White

Optical

• Colour Rendering Index: Ra85 (3,000K, 4,000K); Ra70 (5,000K)
• Rated Luminous Flux: 4,000lm (5,000K); 3,000lm (4,000K); 2,800lm (3,000K)
• Luminous Efficacy: 121.2ℓm/W (5,000K); 90.9lm/W (4,000K); 83.8lm/W (3,000K)
• Lumen Maintenance (L80): 40,000 hours at 25 C

Environmental Characteristics

• Energy Efficiency Class: A+ (5,000K, 4,000K) A (3,000K)
• Energy Consumption: 36.3kWh/1,000h

Photometrics

LDTS33N-G

• Illuminance Distribution With Existing Fixture
• Installation Height: 4.8m
• Maintenance Factor: 0.64

(Unit: lx)

Dimension/Weight:

• φ74x175mm
• 240g
• Base: E27