Philips 430702 MHC100/U/HR/4K ED28

The Philips MasterColor® 430702 (MHC100/U/HR/4K/ED28) Lamp is a commercial-grade, high-efficiency Ceramic Metal Halide (CMH) bulb engineered for high-end retail track heads, open-reflector warehouse high-bays, hotel lobbies, and premium outdoor landscape structures. Delivering 8,700 initial lumens of crisp 4000K cool white light, this top-tier lamp features an elite 92 CRI rating for absolute color accuracy. Outfitted with an internal protective quartz glass shield and a heavy-duty E39 mogul screw base, it carries an open-fixture safety certification over an extended 20,000-hour rated average service life when driven by ANSI standard M140 pulse-start control gear.

ADL Supply Expert Application & Replacement Guide

The Philips MasterColor 430702 lamp is an elite commercial property maintenance standard specified for high-ceiling retail hubs, corporate manufacturing spaces, outdoor parking perimeters, and architectural landscape spotlights. Precision crafted with an advanced ceramic discharge arc tube seated inside a clear ellipsoidal ED28 outer jacket, this model maintains excellent color consistency within $\pm200\text{K}$ across its long 20,000-hour rated service life, helping building crews lower long-term replacement maintenance costs.

Integrated Quartz Shrouding and Open-Fixture Luminaire Safety Clearances: A major installation advantage of the "HR" series is its internal physical structure. Unlike standard metal halide bulbs that carry a strict enclosed-only housing mandate, this module features a heavy-duty, **integrated protective quartz glass shroud built directly around the internal ceramic arc tube**. This inner shroud provides a dual structural envelope; in the event of an active end-of-life non-passive arc rupture, the quartz shield contains hot ceramic fragments safely inside the glass bulb envelope.

Consequently, national life safety and electrical building codes certify this model under an **ANSI M140/O rating, making it completely safe for use inside both open-bottom fixtures and fully enclosed luminaires**. Technicians can confidently seat this module inside open high-bay reflector tracks or deep downlight cylinders without requiring a secondary tempered safety glass lens cover. Ensure the 39mm wide E39 Mogul screw base is threaded tightly into the fixture socket to eliminate high-resistance current arcing points over long daily operational shifts.

Detailed Product Specifications

• Brand: Philips Lighting (MasterColor® Ceramic Group)
• Product Series Line: Ceramic Metal Halide Protected "HR" ED28 Series
• Philips Factory Product Order Code SKU: 430702
• Manufacturer Description Model: MHC100/U/HR/4K ED28
• Official Trade Industry ANSI Code: M140 / O Certified (Approved for Open or Enclosed Fixtures)
• UPC Barcode Number (GTIN-12): 046677430702
• Core Technology Class: High-Intensity Discharge (HID) — Ceramic Metal Halide Protected
• Primary Industry Ballast Requirement: 100W Pulse-Start ANSI M140 / M90 Ballast Circuits
• Operational Wattage: 100 Watts
• Initial Luminous Brightness: 8,700 Lumens (Universal Burning Orientation)
• Mean Luminous Brightness: 6,500 Lumens (Evaluated at 40% Lifecycle Window)
• Luminous Efficacy Ratio: 87 Lumens per Watt (LPW)
• Color Temperature Configuration: 4000K Cool White (940 Phosphor Coating)
• Color Rendering Index (CRI): 92 Ra (High-Fidelity Visual Detail Tracking)
• Base Type Configuration: E39 Mogul Screw Base (39mm Outer Thread Width)
• Glass Bulb Profile Envelope: Hard Clear ED28 (Ellipsoidal Dimpled 28/8" Shape Layout)
• Maximum Overall Length (MOL): 8.43" Inches (214.1mm actual)
• Bulb Nominal Diameter (DIA): 3.125" Inches (79.4mm actual outer bulb width)
• Light Center Length (LCL): 5.00" Inches (127.0mm actual from base contact pins)
• Rated Average Lifespan: 20,000 Hours (Constant Voltage Regulation Control)
• Chassis Burn Position Limit: Universal — Operates reliably in any structural mounting angle

Operation, Safety & Mounting Compliance

Pulse-Start Arc Strikes and Hot Restrike Re-Ignition Parameters

Following initial cold system ignition strikes from the pulse ballast core, this ceramic capsule requires an stabilization window of 3 to 5 minutes to fully gasify internal chemical components and settle into its clean 4000K visual profile. If a sudden voltage sag or temporary power interruption drops the circuit track loop during operational shifts, a mandatory hot restrike cool-down block of 10 to 15 minutes must be strictly observed. This enables internal arc chamber pressures to cool down completely before the high-voltage ballast can safely re-ignite the gas column.

UV Suppression Warnings and Hazardous Heavy Metal Disposal

This lamp can cause serious skin burns and eye irritation from shortwave ultraviolet (UV) radiation if the clear ED28 outer glass envelope scratches or micro-cracks during active cycles. National life safety codes mandate turning off the circuit breaker and replacing the bulb immediately if the outer envelope is structurally compromised. Never handle the glass body with bare skin; hands leave tracking alkaline body oils that fuse chemically to the hard glass wall under extreme operating currents, creating thermal hotspots that prompt early structural fractures. Because this gas-discharge lamp contains trace elements of mercury, it must be recycled through authorized commercial bulk channels rather than disposed of in municipal waste bins.

Commercial Ballast Industry Cross-References

This premium 100W ANSI M140 open-rated lamp interfaces perfectly with the following industrial components:

• Philips Advance Ballast Options: IZTMH100BLCST / 71A6092 (Electronic and Magnetic HID Ballast Kits)
• Sylvania Competitor Alternative: 64835 / MC100/U/MED/4K Equivalency (*Note: Verify base footprint conversion*)
• GE Current Match: 79427 / CMH100/U/840/MED Line Format (*Note: Verify open enclosure safety ratings*)

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.