Best 175 Watt Mercury Vapor Bulbs for Outdoor Lighting
This guide highlights 5 reliable 175-watt mercury vapor bulbs and practical alternatives for outdoor and industrial lighting. Learn about base types, lumen output, and suitability for security, parking lots, and warehouses. Each product section includes a quick snapshot and key features to help you pick a trusted option.
Summary of chosen products:
- CORDELIA LIGHTING 175W Mercury Vapor Lightbulb — Mogul Base, 120V Energy Saver
- GE 30971 Outdoor Multi Vapor Metal Halide Light Bulb — 175 Watt, Mogul Base
- Philips Lighting MH175/U/M 175 Watt Standard Metal Halide Bulb
- Sunlite 03670-SU MV100/DX/MOG H37 Mercury Vapor Lamp — 100 Watts, Mogul Base
- Mega-Ray Mercury Vapor Bulb — 100 Watts
CORDELIA LIGHTING 175W Mercury Vapor Lightbulb
Brand: CORDELIA LIGHTING. Features: Great for outdoor security lighting, bright, energy saver. This bulb uses a mogul base (E39) typical for security fixtures and parking areas. It’s designed to deliver robust luminance while maintaining energy efficiency, making it suitable for long-night operation in outdoor settings. Consider compatibility with ballast and fixture type when replacing legacy MV lamps.
GE 30971 Outdoor 175W MV Lamp
Brand: GE. Features: Mogul base outdoor multi vapor metal halide lamp; lumen output around 7800 lm with a color temperature near 3900K. The multi-vapor design offers improved color rendering and reliability for outdoor security and area lighting. Suitable for fixtures that require a robust, higher-intensity MV lamp with a 175W rating.
Mega-Ray Mercury Vapor Bulb
Brand: Mega-Ray. Features: Self-ballasted mercury vapor bulb; claims the longest lasting UVB production among MV bulbs and a known track record for vitamin D3 synthesis in some applications. While commonly used in specialized lighting setups, verify ballast compatibility and fixture requirements before substitution in standard MV fixtures.
Sunlite MV100/DX/MOG H37 Mercury Vapor Lamp
Brand: Sunlite. Features: 100-wattMV lamp with a Mogul base (E39). While not a 175W lamp, it serves as a reference point for ballast compatibility and lumen output in similar outdoor fixtures. These lamps offer cloudy-to-clear color rendition and long service life for industrial lighting in warehouses and outdoor spaces.
Philips Lighting MH175/U/M 175W
Brand: Philips. Features: MH175/U/M 175-watt standard metal halide bulb with a BD17 elliptical dimple enclosed shape. Color temperature around 4000K; compatible with 120/208/240/277/480V systems. Designed for reliable performance in outdoor lighting, street lights, and industrial fixtures where color rendering and lumen maintenance are important.
Buying Guide
When selecting a 175-watt mercury vapor bulb, consider the following factors to ensure proper performance and compatibility:
- Fixture compatibility: MV bulbs are ballast-driven. Confirm ballast type (probe, rapid-start, or magnetic ballast) and socket base (Mogul E39) before purchase.
- Lumens and color temperature: Typical 175W MV lamps deliver bright lumens (often around 7,000–9,000 lm) with color temperatures ranging from approximately 3600K to 4000K. Choose a temperature that aligns with security, visibility, and area aesthetics.
- UV and lamp life: MV bulbs emit UV as part of their spectrum. Some brands claim enhanced UV output longevity; verify manufacturer notes and any risk to fixtures or surroundings.
- Energy and maintenance: MV bulbs generally have longer life than older incandescent equivalents but may require periodic ballast checks. Ensure replacement cycles align with maintenance planning for outdoor installations.
- Outdoor durability: For exterior use, select bulbs designed for weather exposure and temperature ranges typical to your location. Look for coatings and housing compatibility with outdoor fixtures.
- Availability and replacements: Not all vendors stock every 175W MV variant. Consider brand support, warranty terms, and ease of finding replacements when planning long-term installations.
- Alternative options: If ballast upgrades or fixture changes are needed, consider modern LED retrofit options that match the output and same mounting bases, noting energy savings and potential payback periods.
In summary, the listed bulbs cover a range of common outdoor and industrial MV applications. Always verify ballast compatibility, base type, and fixture ratings before replacing an MV lamp to ensure optimal performance and safety.