APPROVED VENDOR Incandescent Bulb: Incandescent, Glass Wedge (W2.1x9.5d), (T) Tubular, T3-1/4
The APPROVED VENDOR Incandescent Bulb is a W2.1x9.5d Wedge Base Lamp with a T3-1/4 tubular bulb shape. It operates at 28V AC and produces white light, identified by Trade Number 400 and manufacturer part number 21U568.
SKU 3G-OTH-386132
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Product Description
The APPROVED VENDOR Incandescent Bulb is a W2.1x9.5d Wedge Base Lamp with a T3-1/4 tubular bulb shape. It operates at 28V AC and produces white light, identified by Trade Number 400 and manufacturer part number 21U568.
Frequently Asked Questions
What is the APPROVED VENDOR 21U568 incandescent bulb used for?
The APPROVED VENDOR 21U568 incandescent bulb is used as a replacement lamp in industrial indicator panels, control cabinets, and test equipment requiring a T3-1/4 tubular bulb with a W2.1x9.5d wedge base. Its 28V AC rating makes it suitable for low-voltage signal and pilot light applications.
What are the specifications of the APPROVED VENDOR 21U568 bulb?
The APPROVED VENDOR 21U568 is an incandescent bulb with a T3-1/4 tubular shape, W2.1x9.5d glass wedge base, 28V AC operating voltage, white light output, and Trade Number 400. It is identified by manufacturer part number 21U568 and is commonly used in industrial lighting applications.
Where to buy the APPROVED VENDOR 21U568 bulb worldwide?
You can source the APPROVED VENDOR 21U568 incandescent bulb through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this part.
How to select the correct wedge base lamp for replacement?
To select the correct wedge base lamp, match the base type (W2.1x9.5d), bulb shape (T3-1/4), voltage (28V AC), and Trade Number (400) to your existing fixture. The APPROVED VENDOR 21U568 meets these specifications. Always verify the manufacturer part number against your equipment manual for compatibility.
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3G Electric supplies APPROVED VENDOR w2.1x9.5d wedge base lamps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















