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
Siemens Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic - Mushroom-Head Push Buttons
SiemensMushroom-Head Push Buttons

Siemens Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic

The SIEMENS Mushroom Head Push Button is a non-illuminated, momentary-action push button from the Class 52 series. It features a 30 mm mushroom head profile, a non-metallic push button material, and a pressure plate…

SKU 3G-OTH-34122

Brand
Siemens
Item
Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic
Category
Mushroom-Head Push Buttons
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
52BM9W4G
Series
Class 52
Type
Mushroom Head Profile, Non-Metallic, 30 mm, 2NC
Action
Momentary
Terminal Connection
Pressure Plate
Push Button Material Type
Non-Metallic
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 Mushroom Head Push Button is a non-illuminated, momentary-action push button from the Class 52 series. It features a 30 mm mushroom head profile, a non-metallic push button material, and a pressure plate terminal connection. This 2NC (normally closed) device is identified by manufacturer part number 52BM9W4G.

Frequently Asked Questions

What is the SIEMENS 52BM9W4G mushroom head push button used for?

The SIEMENS 52BM9W4G is a momentary-action, non-illuminated push button with a 30 mm mushroom head profile. It is used as an emergency-stop or control actuator in industrial machinery, panel builds, and automation systems where a large, easy-to-grip actuator is required.

What are the specifications of the SIEMENS 52BM9W4G push button?

The SIEMENS 52BM9W4G is a Class 52 series, momentary-action, non-illuminated mushroom head push button. It has a 30 mm non-metallic profile, 2NC (normally closed) contacts, and a pressure plate terminal connection. The manufacturer part number is 52BM9W4G.

Where to buy the SIEMENS 52BM9W4G push button worldwide?

3G Electric supplies the SIEMENS 52BM9W4G mushroom head push button to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Class 52 series component.

How to install the SIEMENS 52BM9W4G mushroom head push button?

Mount the SIEMENS 52BM9W4G in a 30 mm panel cutout using the provided hardware. Connect wires to the pressure plate terminals per your control circuit. Ensure the 2NC contacts are wired for normally closed operation. Test actuation before energizing the system.

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 mushroom-head push buttons. 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 Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NC (MPN 52BM9W3J). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NC (MPN 52BM9W3J). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 2NC (MPN 52BM9W3G). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 2NC (MPN 52BM9W3G). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NO (MPN 52BM9W4K). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NO (MPN 52BM9W4K). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NO (MPN 52BM9W3K). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NO (MPN 52BM9W3K). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm (MPN 52BM9V4A). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm (MPN 52BM9V4A). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NC (MPN 52PM9V2J). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NC (MPN 52PM9V2J). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.

More from Siemens

View all Siemens parts →
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Metallic, 30 mm, 1NO/1NC (MPN 52BP2A3A). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Metallic, 30 mm, 1NO/1NC (MPN 52BP2A3A). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 2NO (MPN 52PM9W1F). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 2NO (MPN 52PM9W1F). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 2NC (MPN 52PM9W4G). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 2NC (MPN 52PM9W4G). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NC (MPN 52BM9V2J). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NC (MPN 52BM9V2J). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NO (MPN 52PM9W3K). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NO (MPN 52PM9W3K). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 2NO (MPN 52BM9V2F). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 2NO (MPN 52BM9V2F). Key specifications — Brand: SIEMENS; Action: Momentary; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 2NC (MPN 52BR8W4G). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 2NC (MPN 52BR8W4G). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Metallic, 30 mm, 2NC (MPN 52BP2A2G). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Metallic, 30 mm, 2NC (MPN 52BP2A2G). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: Metallic.