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Clear glass double-ended halogen bulb with R7s metal caps, 1500W 120V rating visible on base

SYLVANIA

SYLVANIA FDB 1500W 120V R7s Double-Ended Halogen Standard Bulb 54435

SKU CH-FQMP-S4VCP

A 1500 watt double-ended halogen lamp with R7s base delivering 41200 lumens at 3200K for 400 hours

  • TypeHalogen Bulbs
  • Lumen Range41200
  • Wattage1500
  • Color Temperature3200K
  • Life Time Hours400
  • Color Rendering Index100
  • Bright 41200 lumen output for large-area illumination
  • 3200K colour temperature delivers warm white light
  • 100 CRI ensures accurate colour rendering
  • R7s double-ended base fits compatible fixtures directly
  • 1500W halogen performance at 120V supply

High-Output Halogen Light Source

The SYLVANIA FDB double-ended halogen lamp delivers 41200 lumens at 1500 watts on a 120 volt supply. It uses an R7s recessed single contact base and produces a 3200K colour temperature with a colour rendering index of 100. This bulb suits professional lighting rigs, studio fixtures and high-bay applications that demand intense, accurate illumination.

Capacity And Runtime Limits

At full power the lamp provides 41200 lumens for a rated life of 400 hours before replacement is required. Output remains consistent across that period, but the filament will not sustain operation beyond the rated hours. Users needing continuous all-day lighting or significantly longer maintenance intervals will find the lifespan insufficient.

Thermal And Electrical Behaviour

Operating at 1500 watts, the bulb generates substantial heat and requires fixtures rated for the full load with adequate ventilation. The quartz envelope runs extremely hot during use and must not be touched with bare skin. Power draw is fixed at the rated wattage on 120 volt circuits with no dimming or ballast losses to consider.

Highlights

  • Bright 41200 lumen output for large-area illumination
  • 3200K colour temperature delivers warm white light
  • 100 CRI ensures accurate colour rendering
  • R7s double-ended base fits compatible fixtures directly
  • 1500W halogen performance at 120V supply

Specifications

BrandBulbamerica
TypeHalogen Bulbs
Lumen Range41200
Wattage1500
Color Temperature3200K
Life Time Hours400
Color Rendering Index100

Questions about this item

Will the 1500 W draw of this R7s halogen bulb work with my existing 120 V dimmer or fixture rated for lower-wattage lamps?

The bulb operates at 1500 W on 120 V, so the circuit and any dimmer must be rated for at least that load; check the fixture label before installing.

How can I confirm the 3200 K colour temperature and 100 CRI are performing correctly once the bulb is installed?

The lamp should emit a bright white light at 3200 K with a CRI of 100; a handheld spectrometer or CRI meter can verify both values after power-on.

Does the 54435 package include the R7s base contacts or any mounting hardware, or must those be sourced separately?

The double-ended R7s recessed single-contact base is built into the bulb; no extra contacts or hardware are included or required.

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