APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Screw (E10), (T) Tubular, T3-1/4
The APPROVED VENDOR Incandescent Bulb is a miniature screw base (E10) lamp with a T3-1/4 tubular shape and a white light color. It operates at 28V AC and carries the trade number 1821 (MPN 1821-10PK).
SKU 3G-OTH-387426
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Incandescent Bulb is a miniature screw base (E10) lamp with a T3-1/4 tubular shape and a white light color. It operates at 28V AC and carries the trade number 1821 (MPN 1821-10PK).
Frequently Asked Questions
What is the APPROVED VENDOR 1821 incandescent bulb used for?
The APPROVED VENDOR 1821 incandescent bulb is used for indicator lighting, panel illumination, and signal applications in industrial control cabinets, test equipment, and instrumentation where a miniature screw (E10) base and 28V AC power are required.
What are the specifications of the APPROVED VENDOR 1821 bulb?
The APPROVED VENDOR 1821 bulb is a T3-1/4 tubular incandescent lamp with a miniature screw (E10) base. It operates at 28V AC, produces white light, and carries trade number 1821. The manufacturer part number is 1821-10PK.
Where to buy the APPROVED VENDOR 1821 bulb worldwide?
3G Electric supplies the APPROVED VENDOR 1821 bulb worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this miniature screw base lamp for your application.
How to select the correct APPROVED VENDOR miniature bulb?
To select the correct APPROVED VENDOR miniature bulb, verify the base type (E10 screw), voltage (28V AC), bulb shape (T3-1/4 tubular), and trade number (1821). Match these to your equipment's socket and electrical requirements to ensure proper fit and operation.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR mini screw base (e10) miniature lamps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















