APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (G) Globe, G4-1/2
The APPROVED VENDOR Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a G4-1/2 globe shape. It operates at 14V AC, produces white light, and carries Trade Number 57 (MPN 57-1PK).
SKU 3G-OTH-385296
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a G4-1/2 globe shape. It operates at 14V AC, produces white light, and carries Trade Number 57 (MPN 57-1PK).
Frequently Asked Questions
What is the APPROVED VENDOR 57-1PK incandescent bulb used for?
This BA9s miniature bayonet base lamp with a G4-1/2 globe shape is used for indicator and pilot lighting in industrial control panels, instrumentation, and machinery. It operates at 14V AC and produces white light, making it suitable for status indication in electrical enclosures and equipment.
What are the specifications of the APPROVED VENDOR 57-1PK bulb?
The APPROVED VENDOR 57-1PK is a BA9s single-contact miniature bayonet base incandescent bulb. It has a G4-1/2 globe shape, operates at 14V AC, produces white light, and carries Trade Number 57. The bulb shape is G4-1/2, and the manufacturer part number is 57-1PK.
Where to buy the APPROVED VENDOR 57-1PK bulb worldwide?
3G Electric supplies the APPROVED VENDOR 57-1PK incandescent bulb to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this BA9s miniature bayonet lamp for your application.
How to select the correct BA9s miniature bayonet bulb for my panel?
To select the correct BA9s bulb, match the base type (single-contact miniature bayonet), voltage (14V AC for this APPROVED VENDOR 57-1PK), and bulb shape (G4-1/2 globe). Verify the Trade Number (57) and ensure the lamp fits your indicator socket. For assistance, consult 3G Electric's technical team.
Used in
Common applications for APPROVED VENDORAPPROVED 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.















