50/150W A21 3-Way Incandescent Bulb

Bring versatile lighting to your home with the 50/150W A21 3-Way Incandescent Bulb, designed for reliable performance and timeless illumination. This bulb features three selectable brightness levels—50 watts for soft ambience, 100 watts for moderate brightness, and 150 watts for high-intensity lighting. Perfect for any environment requiring flexible illumination, from cozy bedrooms to busy workspaces.

Crafted in a traditional A21 bulb shape with a standard medium E26 3-contact base, this incandescent bulb fits most 3-way table and floor lamps. Its soft white finish emits a warm 2700K glow, simulating natural daylight and creating a welcoming atmosphere ideal for living rooms, reading corners, and bedside fixtures.

The "Burn Base Down Only" specification ensures safe operation, making it suitable for upright socket installations. With a durable C-9/5 3-way filament, this bulb delivers steady, flicker-free lighting with true color rendering and full dimmability when paired with a compatible 3-way socket and switch.

Designed for households that appreciate the warm, comforting hue of traditional incandescent light, this bulb provides smooth lighting transitions and excellent clarity for everyday tasks.

📊 Technical Specifications:

• Wattage Levels: 50W / 100W / 150W

• Voltage: 130 Volts

• Shape: A21 (Standard Household Bulb)

• Base Code: E26 (3-Contact)

• Base Type: Medium Screw Base (3-way compatible)

• Filament: C-9/5 3-Way Filament

• Finish: Soft White (Inside Frosted)

• Color Temperature: 2700K – Warm White

• Color Rendering Index (CRI): ~100 – Excellent color fidelity

• Dimmable: Yes – 3-step brightness control via 3-way switch

• Orientation: Burn Base Down Only

• Length: 5.27 inches (133.86 mm)

• Diameter: 2.63 inches (66.80 mm)

• Rated Life: 1,600 hours average

• Lumen Output:

  • ~600 lumens at 50W

  • ~1200 lumens at 100W

  • ~1700 lumens at 150W

• Package Quantity: 1 Bulb

• Case Quantity: 120 Bulbs

💡 Ideal For:

• 3-way lamps in bedrooms, dens, and living rooms

• Reading lights, task lighting, and ambient lighting

• Users who prefer traditional incandescent glow over LED