APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular
The APPROVED VENDOR Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a T3-1/4 tubular (T) shape and a white light color. It operates at 14V AC and carries the trade number 1891…
SKU 3G-OTH-385195
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Product Description
The APPROVED VENDOR Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a T3-1/4 tubular (T) shape and a white light color. It operates at 14V AC and carries the trade number 1891 (manufacturer part number 21U636).
Frequently Asked Questions
What is the APPROVED VENDOR 21U636 incandescent bulb used for?
The APPROVED VENDOR 21U636 incandescent bulb is used as a replacement lamp in indicator lights, panel displays, and small instrumentation where a BA9s miniature bayonet base and 14V AC supply are specified. Its T3-1/4 tubular shape fits tight enclosures in industrial control panels and test equipment.
What are the specifications of the APPROVED VENDOR 21U636 bulb?
The APPROVED VENDOR 21U636 is a T3-1/4 tubular incandescent bulb with a BA9s single-contact miniature bayonet base. It operates at 14V AC, produces white light, and carries trade number 1891. The manufacturer part number is 21U636.
Where to buy the APPROVED VENDOR 21U636 bulb worldwide?
3G Electric supplies the APPROVED VENDOR 21U636 incandescent bulb worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this BA9s miniature bayonet lamp.
How to select the correct BA9s incandescent bulb for a 14V AC circuit?
To select the correct BA9s incandescent bulb for a 14V AC circuit, match the base type (BA9s single-contact miniature bayonet), voltage (14V AC), and bulb shape (T3-1/4 tubular). The trade number 1891, as used on the APPROVED VENDOR 21U636, ensures proper fit and light output for indicator applications.
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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.















