Replacement Light Bulb for LUMENARC LU400/S51 - 400 Watts E39 Base 51000 Lumens

Replacement for the LUMENARC LU400/S51, this sodium bulb operates at 400 watts with an ET18 shape and clear finish to match original output requirements in compatible fixtures.

Key Features & Benefits

• Produces 51000 lumens at 2100 color temperature
• ET18 shape with clear bulb finish
• 24000 hour rated life
• CRI of 22 for specific lighting applications

Product Specifications

• Watts: 400
• Base: E39 Mogul Screw Base 39mm Diameter (E40)
• Color Temp: 2100
• Lumens: 51000
• Shape: ET18

Replacement Compatibility

Direct replacement for LU400/S51 and compatible systems requiring this sodium bulb configuration.

Discover the Perfect Replacement

Confirm your fixture requirements and select this exact match to maintain consistent performance in your existing setup.

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.