APPROVED VENDOR Incandescent Bulb: Incandescent, Single Contact Bayonet (BA15s), (S) Sign
The APPROVED VENDOR Incandescent Bulb is a BA15s single-contact bayonet base lamp with an S8 bulb shape. It operates at 28V AC and produces white light, identified by Trade Number 1591 (MPN 1591-10PK).
SKU 3G-OTH-390325
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Incandescent Bulb is a BA15s single-contact bayonet base lamp with an S8 bulb shape. It operates at 28V AC and produces white light, identified by Trade Number 1591 (MPN 1591-10PK).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the APPROVED VENDOR 1591 incandescent bulb used for?
The APPROVED VENDOR 1591 incandescent bulb is used for sign lighting and indicator applications requiring a BA15s single-contact bayonet base. Its S8 shape and 28V AC operation make it suitable for commercial signage, control panels, and industrial equipment where white light is needed.
What are the specifications of the APPROVED VENDOR 1591-10PK bulb?
The APPROVED VENDOR 1591-10PK is an incandescent bulb with a BA15s single-contact bayonet base, S8 bulb shape, 28V AC voltage, and white light output. It carries Trade Number 1591 and is sold in a 10-pack. The brand is APPROVED VENDOR.
Where to buy APPROVED VENDOR 1591 bulbs worldwide?
3G Electric supplies the APPROVED VENDOR 1591-10PK incandescent bulb worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to any location. Contact us to source this BA15s lamp for your sign or equipment needs.
How to select the correct BA15s incandescent bulb for a sign?
To select the correct BA15s incandescent bulb, match the base type (single-contact bayonet), voltage (28V AC), and bulb shape (S8) to your fixture. The APPROVED VENDOR 1591 provides white light for sign applications. Always verify the trade number and physical dimensions before ordering.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR ba15s single-contact bayonet base lamps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









