Philips 211524 CDM20/PAR20/M/FL/3K/ALTO

The Philips MasterColor® CDM-R Elite 211524 Lamp is an architectural-grade, high-efficiency ceramic metal halide (CMH) PAR20 reflector spotlight engineered for high-end commercial retail window displays, museum gallery accent spots, and luxury hospitality tracks. Projecting a controlled, uniform 30° flood beam spread, this professional-grade directional bulb focuses a powerful 3,500 center beam candlepower (CBCP) of crisp 3000K warm white light. Outfitted with a standard E26 medium screw base and an integrated UV-blocking Fade-Guard front glass lens, it delivers stable color rendering index tracking over a reliable 9,000-hour rated average life.

ADL Supply Expert Application & Replacement Guide

The Philips MasterColor 211524 (CDM20/PAR20/M/FL/3K/ALTO) directional lamp is a commercial maintenance standard specified for boutique display tracks, luxury jewelry cases, hotel registration kiosks, and recessed architectural downlight cylinders. Engineered with a compressed PAR20 hard-glass reflector envelope, this module focuses punchy directional lighting into target spaces, allowing facility teams to capture rich material textures with true color fidelity over an extended 9,000-hour service shift.

Critical Low-Frequency Electronic Ballast Sizing & Protection Rules: This 20-watt ceramic system operates exclusively when driven by a matching ANSI C156 electronic HID ballast circuit. Attempting to spark or run this high-performance micro-capsule on standard magnetic chokes or core-and-coil transformers will cause immediate, catastrophic arc tube destruction.

Furthermore, national electrical safety codes dictate that this lamp must be paired only with electronic control gear that incorporates an active **thermally protected automatic shutdown tracking loop**. This protection cuts circuit tracks if input power frequencies destabilize, preventing the socket from fusing inside compact display canisters. Thanks to its integrated protective quartz shield surrounding the inner discharge burner, this model carries an open-fixture safety classification (ANSI C156/O), meaning it can be legally run in open-bottom track cylinders without requiring a secondary tempered glass face shield lens.

Detailed Product Specifications

• Brand: Philips Lighting (MasterColor® CDM-R Elite Series)
• Product Series Line: Ceramic Metal Halide PAR20 Reflector Series
• Philips Factory Product Order Code SKU: 211524 (Catalog Reference: 21152-4)
• Manufacturer Description Nomenclature: CDM20/PAR20/M/FL/3K/ALTO
• Ordering Model Reference: CDM-20W-PAR20-FL-3K-ALTO
• Official Trade Industry ANSI Code: C156 / O Certified (Approved for Open or Enclosed Fixtures)
• UPC Barcode Number (GTIN-12): 046677211523
• Core Technology Class: High-Intensity Discharge (HID) — Ceramic Metal Halide
• Operational Wattage: 20 Watts
• Initial Luminous Brightness: 980 Lumens
• Center Beam Luminous Intensity: 3,500 Candelas (cd)
• Beam Spread Profile: 30° Smooth Flood (FL Grid Scale)
• Color Temperature Configuration: 3000K Warm White (930 Visual Balance Color)
• Color Rendering Index (CRI): 81 Ra (High-Fidelity Product Highlighting)
• Base Type Configuration: E26 Medium Screw Base (26mm Standard Thread Width)
• Reflector Envelope Profile: Hard Molded Glass PAR20 (Parabolic Aluminized Reflector 20/8" Width)
• Front Lens Treatment: Integrated Coated Fade-Guard UV-Blocking Front Glass Face
• Maximum Overall Length (MOL): 3.62" Inches (92.0mm actual)
• Bulb Nominal Diameter (DIA): 2.55" Inches (64.8mm actual outer rim width)
• Rated Average Lifespan: 9,000 Hours (Constant Voltage Scale)
• Chassis Burn Position Limit: Universal — Operates reliably at any structural angle

Operation, Safety & Mounting ComplianceElectronic Gas Vaporization and Hot Restrike Re-Ignition WindowsFollowing initial cold system ignition strikes from the low-frequency electronic ballast, this compact capsule requires an initialization window of 2 to 4 minutes to fully gasify internal chemical elements and settle into its stable 3000K visual profile. If a brief voltage sag or temporary power interruption drops the circuit track loop during operational shifts, a mandatory hot restrike cool-down block of 5 to 10 minutes must be strictly observed. This enables internal arc chamber pressures to relax entirely before the high-voltage electronic circuit can safely re-ignite the gas column.UV Suppression Warnings and ALTO Environmental ManagementThis lamp can cause serious skin burns and eye irritation from shortwave ultraviolet (UV) radiation if the clear front glass face fractures or micro-cracks during active cycles. National life safety codes mandate turning off the circuit breaker and replacing the bulb immediately if the glass integrity is compromised. Featuring patented ALTO® low-mercury engineering, this lamp minimizes heavy-metal fill weights to comply fully with federal Toxic Characteristic Leaching Procedure (TCLP) test criteria. However, it must still be processed through authorized commercial bulk recycling channels during lighting replacements rather than solid waste bins.Commercial Equipment Industry Cross-ReferencesThis premium 20W ANSI C156 lamp interfaces perfectly with the following industrial components:

• Philips Advance Ballast Options: IMH20GBLS / RMH20GBLS (Micro-Electronic HID Ballast Kits)
• Sylvania Competitor Alternative: 64817 / MC20PAR20/U/FL30 Equivalency
• GE Current Match: 43534 / CMH20PAR20/FL30 Format

Bulk Commercial Lighting Supply & Project Support

ADL Supply handles volume logistics management, tiered commercial contractor pricing models, and full pallet project quotes for facility teams, municipal procurement agents, and electrical accounts nationwide.

For professional contractor tiered discounts, full pallet freight distributions, or dedicated technical submittal specification sheets, reach our support center directly at 1-800-235-3489. We are your commercial supply partners as a dedicated wholesale Lighting Distributor In Doral, Florida.