Product Overview
Philips 421784 - CDM860/V/O/4K/BT37 EA – 860W | 4000K Cool White | CRI 92 | EX39 Extended Mogul Screw
The Philips 421784 - CDM860/V/O/4K/BT37 EA is a 860W 4000K Cool White CDM AllStart Ceramic Metal Halide — High Wattage lamp, CRI 92, EX39 Extended Mogul Screw (protected shield — rated for open or enclosed fixtures), 82,000 initial lumens, 20,000 hours rated life. Enclosed or Outdoor Luminaires. Requires a compatible CDM/CMH ballast. Operates only on thermally protected control gear. UPC: 46677421786. MPN: 860W4KBT37-Allstart.
Wattage 860W CDM Ceramic MH | Color Temp 4000K CRI 92 | ANSI Code — Ballast Code | Rated Life 20,000 Hours | Base EX39 Ext. Mogul |
Quick Specs
- Brand: Philips
- Series: Philips MasterColor CDM AllStart
- Philips Order Code: 421784
- Manufacturer Part Number: 860W4KBT37-Allstart
- UPC: 46677421786
- Lamp Type: CDM AllStart Ceramic Metal Halide — High Wattage
- Wattage: 860W
- Color Temperature: 4000K Cool White
- CRI: 92
- Initial Lumens: 82,000 lm
- Mean Lumens: 65,000 lm
- Rated Average Life: 20,000 hours
- Base Type: EX39 Extended Mogul Screw (protected shield — rated for open or enclosed fixtures)
- Overall Length / Diameter (MOL): 11.53in x DIA 7in
- Fixture Compatibility: Enclosed or Outdoor Luminaires
- Start Type: Requires thermally protected CMH/CDM ballast.
- Mercury Content: Contains mercury — dispose per local regulations.
Product Overview
The Philips 421784 - CDM860/V/O/4K/BT37 EA is a 860W 4000K Cool White Philips MasterColor CDM AllStart ceramic metal halide lamp. AllStart technology allows operation on both probe-start and pulse-start ballasts for maximum installation flexibility. CRI 92, 82,000 initial lumens, 20,000 hours rated life.
Requires a compatible CMH ballast with thermal protection. Contains mercury — dispose per local regulations.
Applications
- Commercial and industrial CDM lighting – Commercial high-bay, outdoor area, and industrial lighting.
- Retrofit and maintenance replacement – Verify ANSI code, wattage, and base type before ordering. Requires thermally protected CDM control gear.
Safety and Installation
- Thermally protected ballast required. Requires a compatible CDM/CMH ballast. Operates only on thermally protected control gear.
- Fixture: Enclosed or Outdoor Luminaires.
- Allow warm-up time: 2–4 minutes for full output.
- Hot restrike: Allow 5–10 minutes after switching off before restarting.
- UV radiation: Use only in fixtures with UV-protective shielding.
- Mercury disposal: Contains mercury — dispose per local lamp recycling regulations.
Ordering Information
- Brand: Philips
- Series: Philips MasterColor CDM AllStart
- Philips Order Code: 421784
- ANSI Code: —
- UPC: 46677421786
- Wattage: 860W
- Base: EX39 Extended Mogul Screw (protected shield — rated for open or enclosed fixtures)
- Case quantities and bulk pricing: Contact ADL Supply for volume orders.
Compliance
- Contains mercury — dispose per local lamp recycling regulations.
- Verify RoHS and Prop 65 compliance with Philips specification sheet.
ADL Supply recommends confirming all specifications with the Philips product data sheet prior to installation.
