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Philips CDM-R111 70W metal halide reflector bulb with GX8.5 base

Philips

Philips 147958 CDM-R111 70W 830 40DG Metal Halide Bulb

SKU CH-CSV8-G03EW

A 70W ceramic metal halide reflector bulb producing 2850 lumens at 3000K with a 40-degree beam and 9000-hour life

  • Power rating70 W
  • Light output2850
  • Color temperature3000K
  • Lifespan (hours)9000
  • Product typeHigh Intensity Discharge
  • Crisp white light for vivid retail displays
  • 2850 lumens from a compact 70W metal halide lamp
  • 3000K warm colour temperature enhances merchandise appeal
  • 9000-hour rated life reduces maintenance cycles
  • Twist-and-lock GX8.5 base enables quick installation

Professional Display Lighting

The Philips 147958 CDM-R111 is a 70W ceramic metal halide bulb designed for retail and display environments where accurate colour rendering is essential. Its 3000K colour temperature and 830 CRI rating deliver warm, crisp white light that enhances merchandise presentation. The 2850 lumen output suits accent and general lighting in shops, galleries and hospitality settings.

Reflector Build and GX8.5 Mount

The 111mm aluminium reflector body incorporates integrated protection glass, allowing use in open luminaires without additional shielding. A twist-and-lock GX8.5 cap secures the lamp quickly while the improved cap design reduces glare for viewers. The 40-degree flood beam provides a defined spread for focused illumination of displays.

Ready-to-Install Package

The lamp ships with the protection glass and twist-lock cap already fitted, so no separate components need assembly before mounting. The 9000-hour rated life reduces re-lamping frequency in commercial installations where access may be difficult. The compact reflector form factor fits existing 111mm fixture housings without modification.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $69.99
Pricier than about 81% of the 1,791 comparable items (median $17.99).
Power rating 70 W
Typical for this category: the median of 162 items is 70 W.

Specifications

Product
Brand namePhilips
Product typeHigh Intensity Discharge
Display
Light output2850
Power
Power rating70 W
More details
Color temperature3000K
Lifespan (hours)9000

Questions about this item

What does the GX8.5 cap limit in terms of fixture compatibility?

The GX8.5 twist-and-lock base only fits luminaires designed for that specific cap, so the bulb cannot be used in standard screw or pin sockets.

What clearance does the 111 mm reflector diameter require?

The 111 mm diameter reflector needs a housing or canopy with an opening at least that wide, plus room for the integrated protection glass.

How is the twist-and-lock cap installed and what step is often missed?

Align the pins with the socket slots, push in, then twist until it locks; the step often missed is completing the full rotation until the audible click confirms secure contact.

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