OEM Incandescent Bulb: Incandescent
The APPROVED VENDOR Incandescent Bulb is a BA15d double-contact bayonet base lamp with an S8 bulb shape. It operates at 28V AC and produces white light, identified by trade number 1638 (MPN 1638-10PK).
SKU 3G-OTH-388521
Also listed as: 163810PK · 1638 10PK
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The APPROVED VENDOR Incandescent Bulb is a BA15d double-contact bayonet base lamp with an S8 bulb shape. It operates at 28V AC and produces white light, identified by trade number 1638 (MPN 1638-10PK).
Frequently Asked Questions
What is the APPROVED VENDOR 1638 incandescent bulb used for?
The APPROVED VENDOR 1638 incandescent bulb is used for sign lighting and indicator applications requiring a compact S8 bulb shape. Its BA15d double-contact bayonet base ensures secure installation in compatible sockets, and the 28V AC white light output suits low-voltage industrial and commercial signage.
What are the specifications of the APPROVED VENDOR 1638-10PK bulb?
The APPROVED VENDOR 1638-10PK is an incandescent bulb with trade number 1638, S8 bulb shape, BA15d double-contact bayonet base, 28V AC operating voltage, and white light color. It comes in a 10-pack. These specs match standard 1638 replacement lamps for sign and indicator fixtures.
Where to buy APPROVED VENDOR 1638 bulbs in worldwide?
3G Electric supplies APPROVED VENDOR 1638-10PK incandescent bulbs worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us to source this BA15d base lamp for your sign or indicator applications.
How to select the correct BA15d incandescent bulb for a sign?
To select the correct BA15d incandescent bulb, match the trade number (e.g., 1638), voltage (28V AC), and bulb shape (S8) to your fixture's requirements. The APPROVED VENDOR 1638-10PK provides white light for sign applications. Always verify base type and wattage compatibility before installation.
OEM Products
3G Electric supplies OEM ba15d double-contact bayonet base lamps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
