Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular - BA9s Single-Contact Miniature Bayonet Base Lamps
EATONBA9s Single-Contact Miniature Bayonet Base Lamps

EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular

The EATON Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a T3-1/4 tubular shape, operating at 32V AC. It features a white light color and carries the trade number 1828 (manufacturer part…

SKU 3G-OTH-385284

Brand
EATON
Item
Incandescent Bulb: Incandescent, Miniature Bayonet
Category
BA9s Single-Contact Miniature Bayonet Base Lamps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

EATON
Manufacturer Part Number
28-5186
Type
Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1828
AC
32V
Voltage
32V AC
Bulb Shape
T3-1/4
Light Color
White
Trade Number
1828
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

EATON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EATON Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a T3-1/4 tubular shape, operating at 32V AC. It features a white light color and carries the trade number 1828 (manufacturer part number 28-5186).

Frequently Asked Questions

What is the EATON 28-5186 incandescent bulb used for?

The EATON 28-5186 incandescent bulb is used as a replacement lamp in industrial indicator lights, panel displays, and control systems that require a BA9s miniature bayonet base. Its 32V AC rating makes it suitable for low-voltage signaling applications in machinery, switchgear, and automation equipment.

What are the specifications of the EATON 28-5186 bulb?

The EATON 28-5186 is a T3-1/4 tubular incandescent bulb with a BA9s single-contact miniature bayonet base. It operates at 32V AC, produces white light, and carries trade number 1828. The manufacturer part number is 28-5186, and the bulb shape is T3-1/4.

Where to buy the EATON 28-5186 bulb worldwide?

3G Electric supplies the EATON 28-5186 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 lamp for your low-voltage signaling needs.

How to select the correct EATON BA9s bulb for my application?

To select the correct EATON BA9s bulb, verify your fixture requires a miniature bayonet base and confirm the voltage matches 32V AC. The T3-1/4 tubular shape fits standard indicator housings. For replacement, check the trade number 1828 or part number 28-5186 to ensure compatibility with your equipment.

Used in

Common applications for EATON
Industrial control panels — Eaton M22 flush push buttons for momentary machine start/stop commands
Motor control centers — Eaton NEMA reversing starters with electronic overloads for conveyor belt direction control
HVAC systems — Eaton definite purpose starters with thermal overloads for compressor and fan motor protection
Process automation — Eaton SL7 tower lights with IP66 bases for visual status indication in wet environments
Machine tool signaling — Eaton 10250T LED pilot lights with push-to-test for operator panel status lamps
Access control — Eaton M22 keyed selector switches for equipment mode selection in secured areas

EATON Products

3G Electric supplies EATON 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 757, 24V AC (MPN 28-5185). Key specifications — Light Color: White; Trade Number: 757; Voltage: 24V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 757, 24V AC (MPN 28-5185). Key specifications — Light Color: White; Trade Number: 757; Voltage: 24V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 755, 6.3V AC (MPN 28-2202). Key specifications — Light Color: White; Trade Number: 755; Voltage: 6.3V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 755, 6.3V AC (MPN 28-2202). Key specifications — Light Color: White; Trade Number: 755; Voltage: 6.3V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1835, 55V AC (MPN 28-5187). Key specifications — Light Color: White; Trade Number: 1835; Voltage: 55V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1835, 55V AC (MPN 28-5187). Key specifications — Light Color: White; Trade Number: 1835; Voltage: 55V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 120MB, 120V AC (MPN 28-3044). Key specifications — Light Color: White; Trade Number: 120MB; Voltage: 120V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 120MB, 120V AC (MPN 28-3044). Key specifications — Light Color: White; Trade Number: 120MB; Voltage: 120V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 267, 6.3V AC (MPN 10250ED986-4). Key specifications — Light Color: White; Trade Number: 267; Voltage: 6.3V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 267, 6.3V AC (MPN 10250ED986-4). Key specifications — Light Color: White; Trade Number: 267; Voltage: 6.3V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON Miniature Neon Bulb: Neon, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, NE51H-R68, 240V AC (MPN 28-3755). Key specifications — Light Color: White; Trade Number: NE51H-R68; Voltage: 240V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Miniature Neon Bulb: Neon, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, NE51H-R68, 240V AC (MPN 28-3755). Key specifications — Light Color: White; Trade Number: NE51H-R68; Voltage: 240V AC; Brand: EATON; Bulb Shape: T3-1/4.

More from EATON

View all EATON parts →
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 120V AC, 1 W Watt, White (MPN HT8LEDWF7). Key specifications — Light Color: White; Voltage: 120V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 120V AC, 1 W Watt, White (MPN HT8LEDWF7). Key specifications — Light Color: White; Voltage: 120V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24 V, 0.5 W Watt, Blue (MPN HT8LEDBF3). Key specifications — Light Color: Blue; Voltage: 24 V; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24 V, 0.5 W Watt, Blue (MPN HT8LEDBF3). Key specifications — Light Color: Blue; Voltage: 24 V; Brand: EATON; Bulb Shape: T3-1/4.
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24V AC/DC, 0.4 W Watt (MPN E22LED024GN). Key specifications — Light Color: Green; Voltage: 24V AC/DC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24V AC/DC, 0.4 W Watt (MPN E22LED024GN). Key specifications — Light Color: Green; Voltage: 24V AC/DC; Brand: EATON; Bulb Shape: T3-1/4.
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 756, 12V AC (MPN 28-5184). Key specifications — Light Color: White; Trade Number: 756; Voltage: 12V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 756, 12V AC (MPN 28-5184). Key specifications — Light Color: White; Trade Number: 756; Voltage: 12V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 120V AC, 1 W Watt, Blue (MPN HT8LEDBF7). Key specifications — Light Color: Blue; Voltage: 120V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 120V AC, 1 W Watt, Blue (MPN HT8LEDBF7). Key specifications — Light Color: Blue; Voltage: 120V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON Miniature Neon Bulb: Neon, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, NE48, 120V AC, White (MPN 28-494). Key specifications — Light Color: White; Trade Number: NE48; Voltage: 120V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Miniature Neon Bulb: Neon, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, NE48, 120V AC, White (MPN 28-494). Key specifications — Light Color: White; Trade Number: NE48; Voltage: 120V AC; Brand: EATON; Bulb Shape: T3-1/4.
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24V AC/DC, 0.5 W Watt (MPN E22LED024RN). Key specifications — Light Color: Red; Voltage: 24V AC/DC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24V AC/DC, 0.5 W Watt (MPN E22LED024RN). Key specifications — Light Color: Red; Voltage: 24V AC/DC; Brand: EATON; Bulb Shape: T3-1/4.
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 60V AC/DC, 0.63 W Watt (MPN E22LED060RN). Key specifications — Light Color: Red; Voltage: 60V AC/DC; Brand: EATON; Bulb Shape: T3-1/4.
EATON
EATON Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 60V AC/DC, 0.63 W Watt (MPN E22LED060RN). Key specifications — Light Color: Red; Voltage: 60V AC/DC; Brand: EATON; Bulb Shape: T3-1/4.