RAB 27W Field Adjustable HID Replacement LED Bulb 3915 Lumens Selectable CCT 3000K/4000K/5000K E26 Base Ballast Bypass

RAB 27W Field Adjustable HID Replacement LED Bulb

Professional-Grade HID Retrofit Solution with Selectable Power and Color Temperature

The RAB 27W Field Adjustable HID Replacement LED Bulb delivers professional-grade retrofit performance for existing HID fixtures. This ballast bypass LED bulb features field adjustable wattage (12W/18W/27W) and selectable color temperature designed for electrical contractors, lighting professionals, and facility managers, providing the reliable performance and industry-leading quality that lighting professionals demand for HID conversions.

Professional Features & Benefits

Field Adjustable Performance

• Triple Power Settings - Field adjustable 12W/18W/27W with corresponding 1740/2610/3915 lumens for optimal energy efficiency
• Selectable Color Temperature - Choose 3000K, 4000K, or 5000K on-site for perfect lighting ambiance and visual comfort
• Ballast Bypass Design - Direct wire installation eliminates ballast maintenance and improves system reliability
• E26 Base Compatibility - Standard medium base fits existing HID fixtures for seamless retrofit applications

Energy Efficiency & Performance

• High Efficacy Rating - 145 lumens per watt efficiency significantly reduces energy consumption compared to HID
• 50,000 Hour Life Rating - Extended LED lifespan reduces maintenance costs and replacement frequency
• Low Flicker Operation - Less than 30% flicker for comfortable visual environment and reduced eye strain

Technical Specifications

Field adjustable 12W/18W/27W power consumption, 1740/2610/3915 lumens output, selectable 3000K/4000K/5000K color temperature, 100-277V universal voltage, E26 medium base, 80 CRI color rendering, constant current LED driver, clear finish, 2.83" height x 8.86" width, 0.66 lbs weight, 0.23A at 120V, less than 30% flicker, 50,000 hour rated life.

Installation & Setup

1. Turn off power and remove existing HID lamp and ballast for professional ballast bypass conversion
2. Connect LED bulb directly to line voltage using constant current driver for optimal performance
3. Select desired wattage setting (12W/18W/27W) based on application lighting requirements
4. Choose appropriate color temperature (3000K/4000K/5000K) for space ambiance and visual comfort
5. Install bulb in E26 socket and verify proper operation across universal 100-277V range
6. Test field adjustable settings to confirm energy-efficient performance and lighting quality

Professional Applications

Ideal for:

• HID Retrofit Projects - High bay fixtures, parking garage lighting, and industrial facility conversions
• Commercial Lighting Upgrades - Warehouse lighting, manufacturing facilities, and distribution centers
• Outdoor Area Lighting - Post-top fixtures, wall packs, and canopy lighting retrofits
• Industrial Applications - Factory lighting, maintenance facilities, and equipment areas
• Parking Structure Lighting - Multi-level garages, surface lots, and covered parking areas
• Retail and Commercial Spaces - Back-of-house areas, storage facilities, and service areas
• Municipal Lighting - Street lighting retrofits, park lighting, and public facility upgrades
• Educational Facilities - Gymnasium lighting, maintenance areas, and outdoor campus lighting

Field Adjustable Technology Advantage

RAB's field adjustable technology allows contractors to optimize performance on-site, reducing inventory requirements while ensuring perfect lighting levels. The selectable wattage and color temperature features provide unprecedented flexibility for retrofit applications, enabling one product to serve multiple lighting scenarios with superior LED efficiency and thermal management.

Why Choose RAB Quality?

RAB's commitment to professional-grade LED technology delivers reliable HID replacement solutions with field adjustable performance, extended 50,000-hour life rating, and ballast bypass design for reduced maintenance. The constant current driver and universal voltage compatibility ensure code-compliant installations that lighting professionals trust for energy-efficient retrofit projects.