Product Overview

Philips 134643 - MHC150/C/U/MP/3K/ALTO – 150W | 3000K Warm White | CRI 85 | ANSI M142/O or M102/O | Universal | E26 Medium Screw

The Philips 134643 - MHC150/C/U/MP/3K/ALTO is a 150W 3000K Warm White MasterColor Protected Ceramic Metal Halide (CMH) lamp, CRI 85, ANSI M142/O or M102/O, E26 Medium Screw, 11,900 initial lumens, 16,000 hours rated life, Universal burn position. Enclosed or Open Fixtures. The protected arc (MP/ED17P) design qualifies as O-type — suitable for open or enclosed fixtures. UPC: 46677134648. Philips order code: 13464-3.

Wattage

150W

CMH/MH

Color Temp

3000K

CRI 85

ANSI Code

M142/O or M1

Ballast Code

Rated Life

16,000

Hours

Base

E26

Medium

Quick Specs

Brand: Philips
Series: Philips MasterColor Protected
Philips Order Code: 13464-3
UPC: 46677134648
ANSI Code: M142/O or M102/O
Lamp Type: MasterColor Protected Ceramic Metal Halide (CMH)
Wattage: 150W
Color Temperature: 3000K Warm White
CRI: 85
Initial Lumens: 11,900 lm
Rated Average Life: 16,000 hours
Base Type: E26 Medium Screw
Overall Length / Diameter (MOL): 5.43 inches
Burn / Operating Position: Universal
Fixture Compatibility: Enclosed or Open Fixtures
Start Type: Pulse-Start — requires pulse-start ballast and 4kV socket
Mercury Content: Contains mercury — dispose per local regulations.

Product Overview

The Philips 134643 - MHC150/C/U/MP/3K/ALTO is a 150W 3000K Warm White Philips MasterColor ceramic metal halide lamp. CMH ceramic arc tube technology delivers CRI 85 color rendering with superior color stability over lamp life for retail display, commercial, and architectural lighting requiring open or enclosed fixture compatibility. The protected arc (MP/ED17P) design qualifies as O-type — suitable for open or enclosed fixtures. Rated life: 16,000 hours.

Requires a compatible CMH ballast with thermal protection. Contains mercury — dispose per local regulations.

Applications

Commercial and high-CRI lighting – Retail display, commercial, and architectural lighting requiring open or enclosed fixture compatibility.
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. The protected arc (MP/ED17P) design qualifies as O-type — suitable for open or enclosed fixtures.
Fixture: Enclosed or Open Fixtures.
Burn position: Universal.
Allow warm-up time: 2–5 minutes for full output.
Hot restrike: Allow 5–12 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.