Product Overview
Sylvania 41277 - SubstiTUBE® LED T8 Bulb – 4ft, 12W, 5000K, Dimmable, 82 CRI
Product Features & Benefits
- Energy-Efficient Replacement – Uses only 12W, replacing a 32W fluorescent T8, significantly reducing energy costs.
- High Luminous Output – Produces 2,100 lumens for bright, even lighting in commercial and industrial spaces.
- Dimmable – Works with 0-10V dimming ballasts, allowing brightness adjustment down to 10%.
- Long-Lasting Performance – Rated for 50,000 hours, reducing maintenance and replacement costs.
- Superior Glass Construction – Frosted soft glass ensures even light distribution and reduces glare.
- Wide Operating Temperature Range – Functions efficiently from -20°C to +50°C (-4°F to 113°F).
- Versatile Applications – Ideal for offices, schools, hospitals, warehouses, retail stores, and food-safe environments.
- Instant-On Lighting – Provides full brightness immediately, without warm-up time.
- Compatible with Existing Ballasts – Designed for use with instant start and select programmed rapid start electronic T8 ballasts, minimizing labor costs.
- No Mercury & Lead-Free – Environmentally friendly and compliant with RoHS standards.
Specifications
- Brand: Sylvania
- Series: SubstiTUBE®
- Bulb Type: T8
- Length: 4ft (48 inches)
- Base Type: G13 (Medium Bi-Pin)
- Wattage: 12W
- Voltage: 120-277V & 347V
- Light Output: 2,100 Lumens
- Equivalent Wattage: 32W Fluorescent
- Color Temperature: 5000K (Daylight White)
- Color Rendering Index (CRI): 82
- Dimmable: Yes (0-10V, down to 10%)
- Lifespan: 50,000 Hours
- Operating Temperature Range: -20°C to +50°C (-4°F to 113°F)
- Glass Type: Frosted Soft Glass
- Power Factor: >0.90
- Total Harmonic Distortion (THD): <10%
- UPC Code: 0046135412776
Certifications & Compliance
- cULus 1993 Certified – Meets North American safety standards
- ETL Listed – Approved for safe operation in commercial applications
- RoHS Compliant – Free of hazardous materials (lead and mercury)
- FCC Title 47 CFR, Part 18 – Non-consumer compliant
- NSF Listed – NSF/ANSI Standard 2 – Food Equipment Certified
- DLC Standard Listed – Eligible for rebates in applicable areas
Installation & Usage Notes
- Compatible with instant start and select programmed rapid start electronic T8 ballasts
- Not for use with magnetic ballasts
- Suitable for dry and damp locations (cannot come in direct contact with water)
- Can be used in open and enclosed fixtures
- Maximizes energy savings when used with occupancy sensors
Energy Savings Comparison
Traditional Source | Wattage (Fluorescent) | Wattage (LED) | Energy Savings |
---|---|---|---|
T8 Fluorescent | 32W | 12W | 62% energy savings |
Manufacturer Warranty
- 5-Year Limited Warranty – Backed by Sylvania’s trusted quality assurance program