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Small clear halogen capsule with two thin pins at one end, 150W 24V G6.35 base

OSRAM SYLVANIA

OSRAM SYLVANIA FCS 64640 150W 24V Halogen Bulb G6.35

SKU CH-QZ7F-D6WVQ

A 150 W, 24 V halogen lamp with a G6.35 bi-pin base delivering 6000 lumens, CRI 100 and a 50-hour rated life

  • TypeHalogen Bulbs
  • Lumen Range6000
  • Wattage150
  • Life Time Hours50
  • Color Rendering Index100
  • High 6000 lumen output for bright projection
  • Accurate 100 CRI colour rendering for true tones
  • G6.35 bi-pin base fits compatible fixtures
  • 24 V 150 W halogen design for focused light
  • 50 hour rated life for short-cycle applications

OSRAM FCS 64640 150W 24V Halogen Bulb

The OSRAM FCS 64640 is a 150 watt halogen lamp operating at 24 volts. It produces 6000 lumens with a colour rendering index of 100. This bulb is intended for specialist lighting fixtures that require high output and accurate colour reproduction.

G6.35 bi-pin base and 50-hour rated life

The G6.35 bi-pin base pushes straight into a matching socket without screws or tools. A rated life of 50 hours means the lamp is designed for intermittent or short-duration use rather than continuous daily operation. Plan replacement intervals around that limited lifespan.

150 watt 24 volt output decides suitability

The single specification that determines fit is the 150 watt power draw at 24 volts. The fixture and its transformer must supply exactly that voltage and be rated for the wattage. If the system runs at a different voltage or cannot handle the load, this bulb will not work.

Highlights

  • High 6000 lumen output for bright projection
  • Accurate 100 CRI colour rendering for true tones
  • G6.35 bi-pin base fits compatible fixtures
  • 24 V 150 W halogen design for focused light
  • 50 hour rated life for short-cycle applications

Specifications

BrandOSRAM
TypeHalogen Bulbs
Lumen Range6000
Wattage150
Life Time Hours50
Color Rendering Index100

Questions about this item

What voltage does the G6.35 bi-pin base require, and what is the practical power draw?

The bulb runs at 24 V and draws 150 W, so the G6.35 base must be supplied with a 24 V circuit rated for at least 150 W.

What are the physical dimensions of the G6.35 bi-pin base, and how much clearance does the bulb need?

The base pins are spaced 6.35 mm apart; the bulb itself is a compact halogen capsule that fits standard G6.35 sockets without extra clearance beyond the socket depth.

How do you install the FCS 64640 halogen bulb, and what is the step most people get wrong?

Power off the fixture, align the two pins with the G6.35 socket, push straight in until seated, then restore power — the common mistake is touching the quartz envelope with bare fingers, which creates hot spots and shortens the 50-hour life.

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