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APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular - BA9s Single-Contact Miniature Bayonet Base Lamps
APPROVED VENDORBA9s Single-Contact Miniature Bayonet Base Lamps

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. It operates at 28V AC and produces white light, identified by trade number 313 and…

SKU 3G-OTH-385264

Brand
APPROVED VENDOR
Item
Incandescent Bulb: Incandescent, Miniature Bayonet
Category
BA9s Single-Contact Miniature Bayonet Base Lamps
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
21U555
Type
Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 313
Voltage
28V AC
Bulb Shape
T3-1/4
Light Color
White
Trade Number
313
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a T3-1/4 tubular (T) shape. It operates at 28V AC and produces white light, identified by trade number 313 and manufacturer part number 21U555.

Frequently Asked Questions

What is the APPROVED VENDOR 21U555 incandescent bulb used for?

The APPROVED VENDOR 21U555 is a BA9s miniature bayonet base incandescent bulb used for indicator lights, panel illumination, and pilot lamps in industrial control panels, instrumentation, and machinery. Its 28V AC rating makes it suitable for low-voltage signaling applications where a compact T3-1/4 tubular shape is required.

What are the specifications of the APPROVED VENDOR 21U555 bulb?

The APPROVED VENDOR 21U555 is a T3-1/4 tubular incandescent bulb with a BA9s single-contact miniature bayonet base. It operates at 28V AC, produces white light, and carries trade number 313. The manufacturer part number is 21U555. It is designed for use in indicator and pilot light applications.

Where to buy the APPROVED VENDOR 21U555 bulb worldwide?

3G Electric supplies the APPROVED VENDOR 21U555 incandescent bulb worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this BA9s miniature bayonet base lamp for your low-voltage indicator needs.

How to select the correct BA9s incandescent bulb for an indicator light?

To select the correct BA9s incandescent bulb, match the base type (BA9s single-contact bayonet), voltage (e.g., 28V AC for the APPROVED VENDOR 21U555), bulb shape (T3-1/4 tubular), and trade number (313). Ensure the bulb fits the fixture's socket and meets the required light output for your panel or machine indicator.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED 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.

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