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OSRAM ELH 300 W halogen MR16 bulb with GY5.3 base

OSRAM SYLVANIA

OSRAM SYLVANIA ELH 300 W Halogen Standard Bulb

SKU CH-588H-95ENS

300 W halogen bulb with GY5.3 base, 525 lm output, 3350 K colour temperature and 35-hour rated life

  • TypeHalogen Bulbs
  • Lumen Range525
  • Wattage300
  • Color Temperature3350K
  • Life Time Hours35
  • Color Rendering Index100
  • Bright, accurate colour with a CRI of 100
  • Warm 3350K light suits studio and stage use
  • 525 lumens from a compact 300 W halogen lamp
  • 35-hour rated life for short-run productions
  • GY 5.3 2-pin base fits standard MR16 fixtures

Halogen MR16 spotlight for stage and studio

The OSRAM SYLVANIA ELH is a 300 watt tungsten halogen lamp built on an MR16 reflector with a GY 5.3 two-pin base. It runs on 120 volts and delivers 525 lumens at a 3350 kelvin colour temperature with a colour rendering index of 100. This bulb is intended for fixtures that accept the GY 5.3 base and can handle the 300 watt draw.

Practical limits of the GY 5.3 halogen interface

The rated life is only 35 hours so the lamp must be treated as a short-life source for critical lighting tasks. Output is fixed at 525 lumens and the 3350 kelvin warmth cannot be adjusted. The 300 watt consumption generates significant heat requiring fixtures rated for that load and adequate ventilation. No dimming capability or alternative colour temperatures are specified.

Installation notes and common issues

Insert the two-pin base straight into the GY 5.3 socket until fully seated; avoid touching the quartz envelope with bare fingers because oils shorten the already brief 35 hour life. Verify the fixture is rated for 300 watts at 120 volts before powering on. The most frequent problems are premature burnout from voltage spikes, loose pin contact causing flicker and overheating in enclosed housings without sufficient airflow.

Highlights

  • Bright, accurate colour with a CRI of 100
  • Warm 3350K light suits studio and stage use
  • 525 lumens from a compact 300 W halogen lamp
  • 35-hour rated life for short-run productions
  • GY 5.3 2-pin base fits standard MR16 fixtures

Specifications

BrandOSRAM
TypeHalogen Bulbs
Lumen Range525
Wattage300
Color Temperature3350K
Life Time Hours35
Color Rendering Index100

Questions about this item

Should I pick the 300 W version or a lower-wattage halogen for my fixture?

Choose the 300 W ELH only if your fixture is rated for 300 W at 120 V and accepts a GY 5.3 base; a lower-wattage lamp will not deliver the same 525 lumen output.

What does the 525 lumen rating actually give me when the bulb is installed?

You get a warm-white 3350 K beam with a CRI of 100, but the lamp lasts only 35 hours before replacement is needed.

How does the GY 5.3 2-pin base limit what I can connect it to?

The 5.3 mm pin spacing fits only sockets designed for GY 5.3; it will not work in standard screw or bi-pin bases.

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