Keystone LED T8 Tube Light 14.5W 1900 Lumen 4-Foot Direct Drive Ballast Bypass System

Keystone LED T8 Tube Light 14.5W 1900 Lumen 4-Foot Direct Drive Ballast Bypass System

Professional LED lighting solution with ballast bypass technology

The Keystone LED T8 Tube Light delivers professional-grade illumination with 14.5W power consumption and 1900 lumen output in a 4-foot direct drive configuration. This ballast bypass system operates on 120-277V and features a wide 240-degree beam angle for comprehensive light distribution. DLC 4.0 qualified for energy efficiency programs, this LED tube provides reliable performance for commercial and industrial lighting applications.

Professional Features & Benefits

• 14.5W Power Rating: Energy-efficient operation reduces electricity costs while maintaining bright illumination output.
• 1900 Lumen Output: Delivers bright, consistent lighting suitable for work areas and general illumination needs.
• 240-Degree Beam Angle: Wide light distribution pattern ensures comprehensive coverage and reduces shadows.
• 120-277V Operation: Universal voltage compatibility simplifies installation across different electrical systems.
• Direct Drive Ballast Bypass: Eliminates ballast dependency for improved reliability and reduced maintenance requirements.
• DLC 4.0 Qualification: Meets energy efficiency standards for utility rebate programs and green building certifications.
• 50,000 Hour Rated Life: Extended operational lifespan reduces replacement frequency and maintenance costs.

Technical Specifications

• Classification: Light Sources
• Color Temperature (CRI): 3500
• Part Type: Direct Drive
• Rate Life: 50000
• Volts: 120-277
• Warranty Years: 5
• Watt Equivalent: 14.5

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Commercial Office Buildings
• Retail Establishments
• Industrial Facilities
• Educational Institutions
• Healthcare Facilities
• Warehouse and Storage Areas
• Professional Service Centers

Why Choose Keystone Quality?

Keystone LED T8 tubes combine proven reliability with advanced LED technology, backed by a comprehensive 5-year warranty and DLC 4.0 qualification. The 50,000-hour rated life and direct drive design ensure long-term performance with minimal maintenance requirements, making this an ideal choice for professional lighting retrofits and new installations.