Product Overview
Sylvania 67511 LU50/D Lumalux Standard High Pressure Sodium Lamp - 50W ET23.5, E39 Mogul, 1900K, 30000+hr Life
The Sylvania 67511 LU50/D is a Sylvania Lumalux Standard non-cycling high pressure sodium (HPS) lamp rated at 50W on a E39 Mogul base, with a ET23.5 bulb, Coated finish, and 1900K color temperature. It is rated for 30000+ hours average life, burned in the Universal position.
This lamp should be selected by matching the Sylvania product number, wattage, bulb shape, base type, and ANSI code to the existing lamp or fixture being replaced.
Flags for review:
- SKU reads '67611' but the Product Name and every catalog spec point to code 67511 (LU50/D). No catalog code 67611 exists. Built as 67511; the SKU should be corrected.
Wattage 50W E39 Mogul | Color Temp 1900K CRI 22 | Lumens 3700 Initial | Rated Life 30000+ Hours | Efficacy 74 Lumens/Watt |
Product Overview
Sylvania Lumalux high pressure sodium lamps are used across commercial, industrial, and outdoor lighting where high efficacy and long life are priorities. The Ecologic (ECO) designation identifies lamps built with reduced or no added mercury; Standby (SBY) lamps add a dual-arc-tube design for instant restrike after a power interruption; Plus (PLUS) lamps extend rated life further; and Plantastar lamps are tuned for plant growth/horticulture applications.
Technical Specifications
| Brand | Sylvania |
| Sylvania Product Number | 67511 |
| Ordering Abbreviation | LU50/D |
| Product Family | Lumalux Standard |
| Wattage | 50 W |
| Bulb | ET23.5 |
| Base | E39 Mogul |
| ANSI Code / Fixture Requirement | S68/O |
| Bulb Finish | Coated |
| Burning Position | Universal |
| Average Rated Life | 30000+ hours |
| Initial Lumens | 3700 |
| Mean Lumens | 3100 |
| CRI | 22 |
| Color Temperature | 1900K |
| Luminous Efficacy | 74 LPW |
| Standard Package Quantity | 20 |
Key Features
- Lumalux Standard construction: non-cycling high pressure sodium with 30000+-hour average rated life.
- 1900K color temperature at 74 lumens per watt efficacy.
- Coated bulb finish on a E39 Mogul base.
Compatible Applications
- Outdoor area, roadway, and parking lot lighting
- Industrial high-bay and warehouse lighting
- Security and floodlighting fixtures rated for HPS lamps
- Maintenance replacement where Sylvania product number 67511 is specified
Before Ordering Verify
- Exact Sylvania Product Number: Match 67511 (LU50/D) to the existing lamp label or fixture documentation.
- ANSI Code: Confirm the fixture/ballast is rated for ANSI code S68/O.
- Base Type: Confirm the fixture socket matches a E39 Mogul base.
- Wattage: Confirm the ballast is rated for 50W.
- Burning Position: Confirm the fixture orientation matches the rated Universal burning position.
Safety & Installation Guidelines
- Qualified Installation: Install and service only with power disconnected, following applicable electrical codes.
- Ballast Match: Operating this lamp on an incompatible ballast can cause premature failure or fixture damage.
- Cooling: Allow the lamp to cool fully before handling or removal.
- Disposal: High pressure sodium lamps may contain trace mercury — dispose of per local regulations (www.lamprecycle.org).
Cross-Reference & Replacement Guide
| Sylvania 67511 | Philips/Signify: 372797 Grainger P/N: 5V938 GE Equivalent: 45006 (LU50/D) |
Wholesale & Project Support
ADL Supply supports contractors, facility managers, maintenance departments, and commercial buyers with Sylvania HPS lamp replacement identification, project quoting, and volume order support.
For volume pricing, availability, or help confirming the correct Sylvania replacement lamp, contact ADL Supply at 1-800-235-3489.
