30/70/100 Watt A21 Incandescent 3-Way Light Bulb

2700K Soft White E26 (Medium) Base, 120 Volt, Box


No.0390300
Domestic Code30/70/100A21/SW
Lamp ShapeA21
Energy Used (Watts)100
Watts (3-Way Lamps)30/70/100
Lamp BaseE26 (Medium)
Volts120
Color Temperature (Kelvin)2700
Life (Hours)2000
Brightness (Lumens)1225
Lumens (3-Way Lamps)275/950/1225
Max. Overall Length (MOL)5
Light Center Length3.34
Life (Years)*1.8
Estimated Yearly Energy Cost**12.05


 * Based on 3 hrs./day
** Based on 3 hrs./day $.11/kWh
   Cost depends on rates and use.

Westinghouse A21 100 Watt Soft White (2700K) E26 (Medium) Base Incandescent General Purpose Light Bulb 0390300

Incandescent 3-Way A-shape light bulbs are perfect for general lighting purposes and provide the ability to create 3 multipurpose levels of lighting. These bulbs come in a variety of sizes and wattages. To help you find the right bulb for the right application, see Westinghouse’s full offering of 3-Way A-shape light bulbs including Radiant Natural Light® and Commercial Service varieties. A-shape light bulbs are available with medium screw bases making them compatible for use with standard household table or floor lamps that have a 3-Way socket.

Product reference number 03903



  • Available in multiple wattages with medium screw bases
  • Light bulb sizes include A19, A21 and A23 types
  • For use with standard household table or floor lamps
  • 3 versatile levels of lighting
  • Completely dimmable
How to Buy

Can be purchased through many online and retail stores.