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

Siemens Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular - BA9s Single-Contact Miniature Bayonet Base Lamps
SiemensBA9s Single-Contact Miniature Bayonet Base Lamps

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

The SIEMENS Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a T3-1/4 tubular bulb shape. It operates at 12V AC and produces white light. The trade number is 52AACN, and the manufacturer…

SKU 3G-OTH-385213

Brand
Siemens
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

Siemens
Manufacturer Part Number
52AACN
Type
Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 52AACN
Voltage
12V AC
Bulb Shape
T3-1/4
Light Color
White
Trade Number
52AACN
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

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

Product Description

The SIEMENS Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a T3-1/4 tubular bulb shape. It operates at 12V AC and produces white light. The trade number is 52AACN, and the manufacturer part number is 52AACN.

Frequently Asked Questions

What is the SIEMENS 52AACN incandescent bulb used for?

The SIEMENS 52AACN incandescent bulb is used as a replacement lamp in industrial control panels, instrumentation, and indicator lights that require a BA9s miniature bayonet base. Its T3-1/4 tubular shape and 12V AC rating make it suitable for panel-mount pilot lights and signal applications across manufacturing and process industries.

What are the specifications of the SIEMENS 52AACN bulb?

The SIEMENS 52AACN is a T3-1/4 tubular incandescent bulb with a BA9s single-contact miniature bayonet base. It operates at 12V AC, produces white light, and carries trade number 52AACN. The manufacturer part number is also 52AACN. This lamp is designed for industrial indicator and control applications.

Where to buy the SIEMENS 52AACN bulb worldwide?

3G Electric supplies the SIEMENS 52AACN 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 order this BA9s miniature bayonet lamp for your control panel or instrumentation needs.

How to select the correct replacement for a BA9s incandescent bulb?

To select the correct replacement, verify the base type is BA9s (miniature bayonet single-contact), the voltage matches your circuit (e.g., 12V AC for the SIEMENS 52AACN), and the bulb shape fits your fixture. Check the trade number or manufacturer part number for exact equivalence. 3G Electric can help confirm compatibility for your application.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens 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
SIEMENS Lamp Module: 22 mm Size, White, LED, 24 V AC/DC Rating, No Transformer (MPN 3SU1401-1BB60-1AA0). Key specifications — Compatible Operator: Pilot Light; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BB60-1AA0; Includes Bulb: Bulb Included.
Siemens
SIEMENS Lamp Module: 22 mm Size, White, LED, 24 V AC/DC Rating, No Transformer (MPN 3SU1401-1BB60-1AA0). Key specifications — Compatible Operator: Pilot Light; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BB60-1AA0; Includes Bulb: Bulb Included.
SIEMENS Lamp Module: 22 mm Size, White, LED, 110 V AC Rating, No Transformer (MPN 3SU1401-1BC60-1AA0). Key specifications — Compatible Operator: Pilot Light; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BC60-1AA0; Includes Bulb: Bulb Included.
Siemens
SIEMENS Lamp Module: 22 mm Size, White, LED, 110 V AC Rating, No Transformer (MPN 3SU1401-1BC60-1AA0). Key specifications — Compatible Operator: Pilot Light; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BC60-1AA0; Includes Bulb: Bulb Included.
SIEMENS Lamp Module: 22 mm Size, Green, LED, 24 V AC/DC Rating, No Transformer (MPN 3SU1401-1BB40-1AA0). Key specifications — Compatible Operator: Pilot Light; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BB40-1AA0; Includes Bulb: Bulb Included.
Siemens
SIEMENS Lamp Module: 22 mm Size, Green, LED, 24 V AC/DC Rating, No Transformer (MPN 3SU1401-1BB40-1AA0). Key specifications — Compatible Operator: Pilot Light; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BB40-1AA0; Includes Bulb: Bulb Included.
SIEMENS Lamp Module: 22 mm Size, Red, LED, 230 V AC Rating, No Transformer (MPN 3SU1401-1BF20-1AA0). Key specifications — Compatible Operator: Pilot Light; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BF20-1AA0; Includes Bulb: Bulb Included.
Siemens
SIEMENS Lamp Module: 22 mm Size, Red, LED, 230 V AC Rating, No Transformer (MPN 3SU1401-1BF20-1AA0). Key specifications — Compatible Operator: Pilot Light; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BF20-1AA0; Includes Bulb: Bulb Included.
SIEMENS Lamp Module: 22 mm Size, White, LED, 230 V AC Rating, No Transformer (MPN 3SU1401-1BF60-1AA0). Key specifications — Compatible Operator: Push Button; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BF60-1AA0; Includes Bulb: Bulb Included.
Siemens
SIEMENS Lamp Module: 22 mm Size, White, LED, 230 V AC Rating, No Transformer (MPN 3SU1401-1BF60-1AA0). Key specifications — Compatible Operator: Push Button; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BF60-1AA0; Includes Bulb: Bulb Included.
SIEMENS Lamp Module: 22 mm Size, Blue, LED, 110 V AC Rating, No Transformer (MPN 3SU1401-1BC50-1AA0). Key specifications — Compatible Operator: Push Button; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BC50-1AA0; Includes Bulb: Bulb Included.
Siemens
SIEMENS Lamp Module: 22 mm Size, Blue, LED, 110 V AC Rating, No Transformer (MPN 3SU1401-1BC50-1AA0). Key specifications — Compatible Operator: Push Button; Compatible with Series: 3SU1; Terminal Connection Type: Screw Terminals; Brand: SIEMENS; Manufacturer Part Number: 3SU1401-1BC50-1AA0; Includes Bulb: Bulb Included.

More from Siemens

View all Siemens parts
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6 V, 0.06 W Watt (MPN 52AEBB). Key specifications — Light Color: White; Voltage: 6 V; Brand: SIEMENS; Bulb Shape: T3-1/4.
Siemens
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6 V, 0.06 W Watt (MPN 52AEBB). Key specifications — Light Color: White; Voltage: 6 V; Brand: SIEMENS; Bulb Shape: T3-1/4.
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6 V, 0.06 W Watt (MPN 52AEB4). Key specifications — Light Color: Amber; Voltage: 6 V; Brand: SIEMENS; Bulb Shape: T3-1/4.
Siemens
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6 V, 0.06 W Watt (MPN 52AEB4). Key specifications — Light Color: Amber; Voltage: 6 V; Brand: SIEMENS; Bulb Shape: T3-1/4.
SIEMENS Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 52AABN. Key specifications — Light Color: White; Trade Number: 52AABN; Voltage: 6V AC; Brand: SIEMENS; Bulb Shape: T3-1/4.
Siemens
SIEMENS Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 52AABN. Key specifications — Light Color: White; Trade Number: 52AABN; Voltage: 6V AC; Brand: SIEMENS; Bulb Shape: T3-1/4.
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6 V, 0.06 W Watt (MPN 52AEB3). Key specifications — Light Color: Green; Voltage: 6 V; Brand: SIEMENS; Bulb Shape: T3-1/4.
Siemens
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6 V, 0.06 W Watt (MPN 52AEB3). Key specifications — Light Color: Green; Voltage: 6 V; Brand: SIEMENS; Bulb Shape: T3-1/4.
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24 V, 0.28 W Watt (MPN 52AEDB). Key specifications — Light Color: White; Voltage: 24 V; Brand: SIEMENS; Bulb Shape: T3-1/4.
Siemens
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24 V, 0.28 W Watt (MPN 52AEDB). Key specifications — Light Color: White; Voltage: 24 V; Brand: SIEMENS; Bulb Shape: T3-1/4.
SIEMENS Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 52AADN. Key specifications — Light Color: White; Trade Number: 52AADN; Voltage: 24V AC; Brand: SIEMENS; Bulb Shape: T3-1/4.
Siemens
SIEMENS Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 52AADN. Key specifications — Light Color: White; Trade Number: 52AADN; Voltage: 24V AC; Brand: SIEMENS; Bulb Shape: T3-1/4.
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6 V, 0.06 W Watt, Red (MPN 52AEB2). Key specifications — Light Color: Red; Voltage: 6 V; Brand: SIEMENS; Bulb Shape: T3-1/4.
Siemens
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6 V, 0.06 W Watt, Red (MPN 52AEB2). Key specifications — Light Color: Red; Voltage: 6 V; Brand: SIEMENS; Bulb Shape: T3-1/4.
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24V AC/DC, 0.56 W Watt (MPN 52AED3). Key specifications — Light Color: Green; Voltage: 24V AC/DC; Brand: SIEMENS; Bulb Shape: T3-1/4.
Siemens
SIEMENS Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24V AC/DC, 0.56 W Watt (MPN 52AED3). Key specifications — Light Color: Green; Voltage: 24V AC/DC; Brand: SIEMENS; Bulb Shape: T3-1/4.