Product Overview
Osram EVW – 250W 82V GY5.3 MR16
The Osram EVW 250W 82V GX5.3 NAED 54723 is a tungsten halogen display/optic lamp designed for professional projection equipment. Key buying specifications for this lamp include 250W, 82V, GY5.3, 390 lm, 50 Hours.
Note: The catalog lists the base as GY5.3, not GX5.3 as shown in this product's name/SKU history — GY5.3 is used in the technical specifications below. Please confirm against your physical lamp before ordering.
Use this product when your existing lamp, fixture label, or equipment manual matches the lamp code, wattage, voltage, base type, and bulb shape shown below. For specialty optical systems, matching the electrical rating and socket configuration is essential to avoid premature lamp failure or incorrect focal alignment.
| Wattage 250W Power Draw | Voltage 82V Operating | Base GY5.3 Socket Type | Lumens 390 Initial lm | Life 50 hrs Rated Avg. |
Product Overview
This Osram display/optic lamp is built for demanding applications where output, lamp geometry, and socket fit must match the original equipment specification. It is suitable for maintenance replacement in compatible projectors, or other specialty optical systems depending on the host equipment requirements.
Why Choose This Product
- Specification-Driven Replacement: The key replacement criteria are wattage, voltage, base type, bulb shape, rated life, and lamp code.
- Audiovisual Application: Designed for professional optical systems where lamp position and output affect performance.
- Commercial Maintenance Ready: Useful for repair shops, facilities, labs, schools, theaters, and service contractors maintaining legacy equipment.
Technical Specifications
| Brand | Osram |
| Product Name | Osram EVW 250W 82V GX5.3 NAED 54723 |
| ADL SKU | Osram10EVW |
| Manufacturer / Catalog Reference | 54723 (NAED 54723) |
| Ordering Abbreviation / Lamp Code | EVW |
| ANSI Code | EVW |
| Lamp Technology | Tungsten Halogen Display/Optic Lamp |
| Application Category | Audiovisual |
| Wattage | 250W |
| Voltage | 82V |
| Base Type | GY5.3 |
| Bulb Shape | MR16 |
| Initial Lumens | 390 lm |
| Rated Average Life | 50 Hours |
| Package Quantity (Mfr Case Pack) | 24 |
| Country of Origin | Germany |
| UPC / EAN | 4050300350172 |
| PDF Reference | OSRAM SYLVANIA Photo-Optic & Scientific catalog, Audiovisual section, page 212 |
Compatible Applications
- Projection equipment (overhead/slide)
Cross Reference & Search Numbers
- 54723
- EVW
- NAED 54723
Before Ordering Verify
- Wattage: Confirm your equipment is rated for 250W.
- Voltage: Confirm the power supply or transformer output matches 82V.
- Base Type: Match the socket to GY5.3 before ordering.
- Bulb Shape / Fit: Confirm the lamp shape and dimensions clear the fixture housing and optical path.
- Lamp Code: Match any ANSI, NAED, HLX, or manufacturer code printed on your current lamp whenever available.
Safety & Installation Guidelines
- Use Approved Fixtures Only: Install only in equipment designed for this lamp technology, wattage, and voltage.
- Do Not Touch Quartz Glass: Use gloves or a lint-free cloth. Skin oils can create hot spots and shorten lamp life.
- Disconnect Power First: Turn off power and allow the lamp to cool completely before removal or installation.
- Verify Enclosure Requirements: Many halogen display/optic lamps must be used only in approved enclosed fixtures.
- Mercury-Free Halogen Lamp: Tungsten-halogen lamps contain 0.0 mg mercury; handle and dispose according to the fixture/equipment instructions and local recycling guidance.
Wholesale & Project Support
ADL Supply supports contractors, repair technicians, laboratories, schools, theaters, maintenance teams, and specialty lighting buyers with replacement lamp sourcing, volume pricing, and project support.
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.
