H33GL-400-N WESTINGHOUSE Light Bulb Mercury Lamp

Review WESTINGHOUSE H33gl-400/n New Unused Vintage Light Bulb Mercury Lamp

The Westinghouse H33GL-400/N 400W H33GL-400 light bulb is an ideal choice for those seeking a powerful and efficient mercury vapor lamp. This bulb is designed to provide bright and effective illumination, making it perfect for industrial settings, warehouses, and large commercial spaces.

The H33GL-400 bulb boasts a wattage of 400W, ensuring it can deliver an impressive amount of light. Its shape is represented by the H33GL designation, indicating it is a medium-base bulb with a G33.5 threading.

This bulb utilizes mercury vapor technology, which is known for its ability to produce a high level of light output while consuming less energy compared to traditional incandescent bulbs. It also offers excellent color rendering, allowing colors to appear more vibrant and true to life.

One of the most notable features of the Westinghouse H33GL-400 bulb is its long lifespan. Mercury vapor lamps are renowned for their durability, with this bulb expected to last up to 24,000 hours. This extended lifespan not only saves you money on frequent bulb replacements but also minimizes the need for ongoing maintenance.

Additionally, this bulb operates efficiently at a high color temperature of 4000K, which closely resembles natural daylight. This can contribute to improved productivity, safety, and overall comfort in industrial environments.

Please note that mercury vapor lamps contain a small amount of mercury, which is a hazardous material. Proper disposal of these bulbs is essential to minimize potential environmental harm. Always follow local guidelines for disposing of used bulbs.

In summary, the Westinghouse H33GL-400/N 400W H33GL-400 mercury vapor lamp is a robust and efficient lighting solution for industrial and commercial applications. Its high lumen output, extended lifespan, and energy efficiency make it a smart investment for large-scale lighting needs. However, its mercury content necessitates proper disposal to minimize environmental impact.

The Westinghouse H33GL-400/N 400W H3 bulb is a mercury vapor lamp, which is commonly used in industrial and commercial settings due to its high light output and energy efficiency. Here are some pros and cons of buying this type of bulb:

1. High Light Output: Mercury vapor lamps produce a very bright light, making them ideal for use in factories, warehouses, and other large spaces.

2. Energy Efficiency: Compared to incandescent bulbs, mercury vapor lamps use less energy to produce the same amount of light.

3. Long Lamp Life: Mercury vapor lamps have a longer lifespan than incandescent bulbs, with some models lasting up to 20,000 hours.

4. Instant Start: Mercury vapor lamps do not require a warm-up period like some other types of bulbs, making them a good choice for applications where the lights need to be on immediately.

1. Contains Mercury: Mercury vapor lamps contain mercury, which is a toxic substance. Proper disposal is required to minimize the environmental impact.

2. Cost: Mercury vapor lamps are more expensive than incandescent bulbs, and they also require a special ballast to operate.

3. Warm-Up Time for Full Brightness: While mercury vapor lamps do not require a warm-up period to start, they do take some time to reach their full brightness. This can be a drawback in applications where immediate maximum light output is necessary.

4. Color Rendition: Mercury vapor lamps do not produce light in the same way as incandescent bulbs, which can affect the way colors are perceived.

The Westinghouse H33GL-400/N 400W H3 bulb is a high-performance lamp that is well-suited for industrial and commercial applications where brightness and energy efficiency are priority. However, its use of mercury and higher cost compared to incandescent bulbs are important considerations.

If you are looking for a bulb for an industrial or commercial setting where high light output and energy efficiency are important, the Westinghouse H33GL-400/N 400W H3 bulb is a good option to consider. However, if you are looking for a bulb for a residential application or where color rendition is important, you may want to consider a different type of bulb, such as an LED or fluorescent bulb.

Details:

Current: 3.30a. Manufacturer: Westinghouse electric corporation. Shape/finish: bt37/deluxe white. Color rendering index: 45%.

Color temperature: 4000k CCTV.

specifications lightbulbben:

• brand: Westinghouse
• mpn: H33gl-400/n
• light color: Natural White
• color temperature: 3500 4500 K Natural/neutral
• wattage: 400 W
• material: Glass
• year manufactured: 1980
• item length: 11 In
• bulb shape code: Bt37
• type: Lamp Bulb
• lumens: 2000 Lm Or More
• country/region of manufacture: United States
• bulb life hours: 25, 000-29, 999 Hrs
• lighting technology: Mercury Vapor

returns lightbulbben:

• method: money back
• time: 30 days
• policy: returns accepted
• paid by: buyer

payments lightbulbben:

• wallet: apple-pay
• credit card: visa
• other

offer lightbulbben:

• sold #: 21
• started: june 29, 2025
• options: ship-to-home
• prices: $75.00–$325.00
• item condition:
  • New – Open box
  • For parts or not working
  • New
  • Used
  • Open box
  • Unspecified
• best offers: true
• availability: in stock
• in stock #: 5

general lightbulbben:

• category: Home & Garden > Lamps, Lighting Ceiling Fans > Bulbs

seller lightbulbben:

• rating: 100.0%
• city: marshfield, massachusetts
• # reviews: 1583

shipping lightbulbben:

• service: usps ground advantage
• class: standard
• type: fixed
• carrier: usps
• transit: 4-10 days