Product Overview

Philips 400W Metal Halide Lamp M59/S ED37 Clear – E39 Mogul Base 4000K
The Philips 400W M59 switch start metal halide lamp delivers reliable high-intensity illumination for commercial and industrial lighting systems. This ED37 clear metal halide bulb features a 4000K cool white color temperature, E39 mogul base, and 20,000 hour rated life, making it an ideal solution for warehouses, industrial facilities, and large outdoor lighting installations.
Technical Specifications
- Lamp Type: Metal Halide (Switch Start)
- Wattage: 400W
- ANSI Code: M59/S
- Bulb Shape: ED37
- Base Type: E39 Mogul Screw Base
- Color Temperature: 4000K Cool White
- Color Rendering Index (CRI): 65
- Rated Average Life: 20,000 Hours
- Burn Position: Universal
- Dimensions: 11.5 in MOL x 4.62 in Diameter
- Fixture Rating: Open or Enclosed Fixtures
- Special Note: Suitable for open luminaires only when operated vertically ±15°
Key Benefits
- High lumen output for large-area illumination
- Reliable switch start metal halide technology
- Long service life reduces maintenance and replacement costs
- 4000K cool white light ideal for industrial environments
- Compatible with ANSI M59 ballasts
Applications
- Industrial lighting
- Warehouse facilities
- Outdoor flood lighting
- Commercial buildings
- High bay and low bay fixtures
Safety & Warning Information
WARNING: Metal halide lamps can emit ultraviolet radiation if the outer envelope is damaged.
- Always turn power off before installation or removal.
- Do not use if the outer bulb is broken or cracked.
- A damaged lamp may cause eye or skin injury due to UV radiation.
- Use only in fixtures rated for metal halide lamps.
- This lamp complies with FDA radiation performance standards (21 CFR Subchapter J).
About Philips Metal Halide Lamps
Philips metal halide HID lamps provide high lumen output, excellent efficiency, and dependable performance for demanding commercial and industrial lighting applications. Designed for long service life and consistent illumination, these lamps remain a reliable solution for large-area lighting systems.