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OSRAM  |  SKU: 678348

OSRAM POWERSTAR HQI-TS Excellence Light Bulb RX7s 70W/D 117mm

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Light Bulb Fittings

The light bulb fitting is the part of the bulb that connects it to the socket of a light fixture.

Check fitting guide

Colour Temperature

Colour temperature is measured in Kelvin (K) – the lower the number, the warmer the white light appears, while a higher Kelvin will appear cooler. Colour temperature generally ranges from 2700-3300K (warm) to 3300-5300 (cool) – and 6500K is daylight.

Check details of colour temperature

Equivalent Wattages Between Different Light Bulbs

As long as the technology developed, a LED light bulb can only use 8 watt power but light up similar brightness when a incandescent light bulb uses 60 watt power. There is equivalent wattage between different light bulbs. To stop making confuse, you need to know what wattage equivalent to each other. See the table attached as below.

Check table chart

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  • High efficiency
  • Uniform distribution of light
  • Good to excellent colour rendering
  • Hot restrike capable
  • UV values significantly below the maximum permitted thresholds to IEC 61167 thanks to UV filter



  • Fitting/Base: RX7s
  • Nominal Wattage: 70W
  • Nominal Voltage: 92V
  • Colour Temperature: 5350K (Day Light)
  • Colour Code: 753
  • Luminous Flux: 6,200lm
  • Nominal Current: 0.95A
  • CRI: ≤ 75
  • Life Span: 12,000H
  • UV Protection: Yes
  • Burning Position: p45
  • Light Centre Length: 57mm
  • Overall Length: 117mm
  • Diameter: 19mm
  • Weight: 17g

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OSRAM POWERSTAR HQI-TS Excellence Light Bulb RX7s 70W/D 117mm

OSRAM POWERSTAR HQI-TS Excellence Light Bulb RX7s 70W/D 117mm




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