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 bulb shape. It operates at 14.4V AC, produces white light, and carries the trade number 1892 (MPN 21U637).
SKU 3G-OTH-385263
- 6–10 business days door-to-door; Bea Cukai clearance typically 3–5 business days.
- Invoicing in IDR or USD. Bank transfer and corporate PO accepted.
- Dikirim ke: Jakarta, Surabaya, Bandung, Medan, Batam
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Deskripsi Produk
The APPROVED VENDOR Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a T3-1/4 tubular bulb shape. It operates at 14.4V AC, produces white light, and carries the trade number 1892 (MPN 21U637).
Supplied to Indonesia — compatible with 50 Hz installations. DHL Express delivery to Jakarta, Surabaya, Bandung, customs and duties handled door-to-door.
Pertanyaan yang Sering Diajukan
What is the APPROVED VENDOR 21U637 incandescent bulb used for?
The APPROVED VENDOR 21U637 incandescent bulb is used as a replacement lamp in industrial indicator lights, panel meters, and control switches that require a BA9s miniature bayonet base. Its T3-1/4 tubular shape and 14.4V AC rating make it suitable for low-voltage signaling and pilot-light applications in machinery and equipment.
What are the specifications of the APPROVED VENDOR 21U637 bulb?
The APPROVED VENDOR 21U637 is a T3-1/4 tubular incandescent bulb with a BA9s single-contact miniature bayonet base. It operates at 14.4V AC, produces white light, and carries trade number 1892. The manufacturer part number is 21U637. This bulb is designed for low-voltage industrial indicator and pilot-light applications.
Where to buy the APPROVED VENDOR 21U637 bulb worldwide?
You can source the APPROVED VENDOR 21U637 incandescent bulb worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. 3G Electric supplies this bulb as part of our extensive industrial lighting portfolio.
How to select the correct BA9s incandescent bulb for replacement?
To select the correct BA9s incandescent bulb, match the base type (BA9s miniature bayonet), voltage (14.4V AC for the 21U637), bulb shape (T3-1/4 tubular), and trade number (1892). Verify the application's voltage and physical clearance. The APPROVED VENDOR 21U637 is a direct replacement for equipment requiring these exact specs.
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3G Electric memasok APPROVED VENDOR ba9s single-contact miniature bayonet base lamps. Kami menyediakan produk asli dengan ketersediaan tersedia di gudang untuk SKU umum, dokumentasi teknis, dukungan commissioning, dan layanan garansi — di seluruh dunia.















