APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (G) Globe, G4-1/2
The APPROVED VENDOR Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a G4-1/2 globe shape. It operates at 14V AC and produces white light, identified by trade number 1895 and manufacturer…
SKU 3G-OTH-385308
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a G4-1/2 globe shape. It operates at 14V AC and produces white light, identified by trade number 1895 and manufacturer part number 21U639.
Frequently Asked Questions
What is the APPROVED VENDOR 21U639 incandescent bulb used for?
The APPROVED VENDOR 21U639 is a BA9s miniature bayonet base lamp used for indicator lighting, panel illumination, and signal applications in industrial control cabinets, instrumentation, and machinery where a compact 14V AC white light source is required.
What are the specifications of the APPROVED VENDOR 21U639 bulb?
The APPROVED VENDOR 21U639 is a G4-1/2 globe-shaped incandescent bulb with a BA9s single-contact miniature bayonet base. It operates at 14V AC, produces white light, and carries trade number 1895. The manufacturer part number is 21U639.
Where to buy the APPROVED VENDOR 21U639 bulb worldwide?
3G Electric supplies the APPROVED VENDOR 21U639 bulb worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this BA9s miniature bayonet lamp to your facility, regardless of location.
How to select the correct BA9s bulb for an indicator light?
To select the correct BA9s bulb, match the base type (miniature bayonet BA9s), voltage (14V AC for the 21U639), bulb shape (G4-1/2 globe), and trade number (1895) to your fixture's requirements. Always verify the operating voltage and physical dimensions before ordering.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR ba9s single-contact miniature bayonet base lamps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
