Product Overview
GE 29488 CMH20PAR30/SP15 20W Ceramic Metal Halide PAR30L Spot - 3000K 15° Beam E26 Base
The GE 29488 CMH20PAR30/SP15 is a 20-watt ConstantColor ceramic metal halide PAR30L long neck spotlight featuring an unprotected arc tube and E26 medium screw base. Delivering 1,200 lumens of 3000K warm white light with 81 CRI and exceptional 14,500 candela center beam intensity, this lamp offers 12,000-hour rated life with 60 LPW efficacy. Designed for open or enclosed fixtures with universal burning position.
Key Specifications
- Product Code: 29488 (NAED)
- Ordering Code: CMH20PAR30/SP15
- Wattage: 20W
- Base Type: E26 Medium Screw
- Bulb Shape: PAR30L (Long Neck)
- Beam Angle: 15° Spotlight (SP)
- Center Beam Candlepower (CBCP): 14,500 cd
- Color Temperature: 3000K (830 Code) Warm White
- Color Rendering Index (CRI): 81
- Initial Lumens: 1,200 lm
- Luminous Efficacy: 60 LPW (nominal)
- Rated Life: 12,000 hours (based on 11 hours per start)
- Maximum Overall Length (MOL): 4.75" (120.6mm)
- Nominal Length: 4.60" (116.8mm)
- Diameter: 3.75" (95.2mm) max / 3.76" (95.5mm)
- ANSI Code: C156/M156
- Operating Position: Universal
- Arc Tube: Unprotected
- Fixture Rating: Open or Enclosed
- Warm-up Time: 2 minutes to 90% light output
- Hot Restart Time: 10-15 minutes
- Base Temperature (MAX): 200°C (392°F)
- Bulb Temperature (MAX): 300°C (572°F)
- LEED-EB MR Credit: 162 picograms Hg per mean lumen hour
- Case Quantity: 6 per case
- UPC: 043168294881
⚠️ CRITICAL: Ballast Requirement
USE ONLY WITH LOW FREQUENCY SQUARE WAVE (LFSW) ELECTRONIC BALLAST.
This is NOT a line-voltage lamp. Requires specific ANSI C156/M156 compatible electronic ballast. Using with incorrect ballast will destroy lamp and create safety hazards.
Compatible ballasts:
- GE GEMH20-MSJ-MV (63042)
- GE GEMH20-MSF-MV (63043)
- Any ANSI C156/M156 LFSW electronic ballast
15° Spotlight Beam Characteristics
- Tight spot beam: 15-degree narrow spot for precision highlighting
- Very high intensity: 14,500 candela center beam
- Best for: Long-distance accent lighting, feature highlighting, dramatic effects
- Coverage at 10 feet: ~2.6-foot diameter pool
ConstantColor CMH Advantages
- Unprotected arc tube for high lumen output
- UV control for reduced fading of fabrics and artwork
- Color uniformity lamp-to-lamp for consistent white appearance
- 2-3× longer life than incandescent or halogen PAR lamps
- 4× more lumens per watt than incandescent or halogen
- Excellent color rendering (>80 CRI) with warm 3000K light
- Universal burning position (any orientation)
- PAR30L long neck design for deep recessed fixtures
Commercial Lighting Applications
- Retail Display and Accent Lighting
- Museum & Gallery Spotlighting
- Hotel Lobby and Reception Areas
- Architectural Accent Lighting
- Track Lighting Systems
- High Ceiling Downlighting
- Display Case Illumination
Safety & Handling Instructions
⚠️ UV Radiation Warning
This lamp can cause serious skin burn and eye inflammation from shortwave ultraviolet radiation if outer envelope is broken or punctured. Do not use where people will remain for more than a few minutes unless adequate shielding or other safety precautions are used.
? Burn & Fire Prevention
- Allow lamp to cool before handling (base reaches 200°C, bulb 300°C)
- Do not turn on until fully installed
- Keep combustible materials away from lamp
- Do not store flammable materials near/below lamp
⚡ Electric Shock & Lamp Rupture
- Do not use where directly exposed to water without enclosed fixture
- Turn power off before inspection, installation or removal
- Use only with fused or thermally protected ballast
- Do not exceed rated voltage
- Do not use beyond rated life (12,000 hours)
- Do not use if outer glass is scratched or broken
Alternate Part Numbers & Cross References
Also known as: GE 29488, CMH20PAR30/SP15, CMH20/PAR30L/SP/830
Cross Reference: Philips CDM20/PAR30L/M/SP/830, Plusrite CMH20PAR30L/SP15/830
