Replacement Mercury Lamp for OSRAM SYLVANIA H39KB-175 - 175W 5900K 7700 Lumens

Replacement for the OSRAM SYLVANIA H39KB-175 mercury vapor lamp that delivers reliable high-intensity discharge performance in a wide range of commercial and industrial settings. This 175 watt clear ED28 lamp produces a cool 5900K color temperature and generates 7700 lumens of bright white light suitable for warehouses, parking structures, sports facilities, and street lighting applications. With a rated service life of 24000 hours and a CRI of 45, the lamp maintains consistent output while minimizing maintenance cycles and replacement frequency in demanding environments. Additional details include stable arc tube construction that supports consistent ignition and steady operation across varying ambient temperatures commonly found in outdoor and indoor installations. The phosphor coating inside the outer bulb helps achieve the specified color temperature while protecting internal components from environmental factors that could affect performance over time.

Key Features & Benefits

• 175 watts power rating supports standard HID operation
• 5900K color temperature produces specified light output
• 7700 lumens delivers measured brightness level
• 24000 hours rated life for extended service intervals
• CRI 45 and clear ED28 shape match original specifications

Product Specifications

• Watts: 175
• Base: E39 MOGUL SCREW BASE 39MM DIAMETER (E40)
• Color Temp: 5900
• Lumens: 7700
• Shape: ED28
• Life: 24000
• CRI: 45
• Bulb Finish: CLEAR

Replacement Compatibility

Compatible with fixtures designed for 175 watt ED28 mercury vapor lamps using E39 mogul screw base. Replaces OEM: OSRAM SYLVANIA H39KB-175 in multi-application HID setups. Professional installation is recommended to ensure proper electrical connections and safe operation within existing ballast systems. Always verify fixture compatibility and ballast condition before installing any replacement lamp to achieve optimal performance and longevity. Facilities often select this option when maintaining existing infrastructure that relies on proven mercury vapor technology for high output needs in large spaces where uniform illumination is essential for safety and productivity.

Discover the Perfect Replacement

Browse the full selection of matching replacement parts to identify the exact fit for your fixture requirements and complete the order process today. This mercury vapor solution continues to serve facilities that rely on proven HID technology for high-output illumination without the need for immediate system changes. Operators appreciate the straightforward installation process when swapping lamps in established fixtures and the predictable performance characteristics that align with original equipment expectations across multiple seasons of continuous use.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.