Replacement for Satco S6540 - 59W, Cool White, Linear T8

Replacing the Satco S6540, this 59-watt 24" T8 lamp provides reliable linear illumination. The T8 profile (1-inch diameter) offers improved efficiency over older T12 tubes. Equipped with a FA8 base.

At 5500 lumens, light output is substantial - more than adequate for expansive areas and high-ceiling installations. The 4100K cool white color temperature produces light that feels bright and productive - crisp and clean with a slight blue undertone. The 75 CRI provides functional color rendering for general use.

Key Features & Benefits

• 4100K Cool White: Crisp light that promotes focus and alertness.
• Light Output: 5500 lumens ensures adequate illumination.
• 75 CRI: Functional color rendering for general use.
• Consistent Output: Maintains rated lumens throughout service life.
• Fa8 Base: Direct fit for compatible fixtures.
• Brand New: Factory-fresh lamp with full rated life ahead.

Product Specifications

• MPN: S6540
• Wattage: 59 Watts
• Color Temperature: 4100K (Cool White)
• Lumens: 5500
• CRI: 75
• Base: FA8
• Shape: T8
• Condition: Brand New

Common Applications

This linear tube is commonly found in:

• Under-Cabinet Fixtures
• Display Cases
• Task Lighting
• Workbench Illumination

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.