Replacement for 121-1256-00 VSSI Halogen - T4 Shape GY6.35 Base 100W 12V with Clear Finish

Designed as a direct replacement for the 121-1256-00 from VSSI, this halogen lamp matches the original specifications to ensure proper fit and performance. Rated at 100W, 12V, T4 form factor, it installs into any fixture that uses a GY6.35 bi-pin base. The 2,000-lumen output ensures strong illumination for demanding applications.

This lamp delivers instant-on convenience and smooth dimming capability for display fixtures, equipment, task lighting, and specialty applications. Its halogen gas fill supports a longer filament life and more stable light output compared to standard incandescent lamps. It maintains consistent brightness and color quality from installation through end of life.

Key Features & Benefits

• Produces 2,000 lumens to support demanding lighting applications.
• Fits standard GY6.35 bi-pin base sockets for straightforward replacement.
• T4 form factor with clear finish for controlled light output.
• Operates at 100W, 12V to match standard low-voltage circuits.

Product Specifications

• Wattage: 100W
• Voltage: 12V
• Base Type: GY6.35
• Bulb Shape: T4
• Finish: Clear Finish
• Lumens: 2,000
• Condition: Brand New

Common Applications

This halogen lamp is commonly used in:

• Theatrical ellipsoidal and Fresnel instruments
• Broadcast studio and remote production fixtures
• Scientific and industrial optical illuminators
• Photographic enlarger and reproduction lights
• Cyclorama and special effects lighting rigs

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.