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

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, maintained-action push button from the Class 52 series. It features a 30 mm mushroom head profile and is constructed with a non-metallic push button…

SKU 3G-OTH-33003

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
52PR8W2A
Series
Class 52
Type
Mushroom Head Profile, Non-Metallic, 30 mm
Action
Maintained
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, maintained-action push button from the Class 52 series. It features a 30 mm mushroom head profile and is constructed with a non-metallic push button material. This component is identified by manufacturer part number 52PR8W2A.

Frequently Asked Questions

What is the SIEMENS 52PR8W2A mushroom head push button used for?

The SIEMENS 52PR8W2A is a non-illuminated, maintained-action push button used in industrial control panels for start/stop or emergency-stop applications. Its 30 mm mushroom head profile provides a large, easy-to-actuate surface, making it suitable for factory automation, machine tools, and process control environments.

What are the specifications of the SIEMENS 52PR8W2A push button?

The SIEMENS 52PR8W2A is a Class 52 series, non-illuminated mushroom head push button with maintained action. It has a 30 mm profile and a non-metallic push button material. The manufacturer part number is 52PR8W2A. This component is designed for industrial control circuits requiring a robust, manually operated switch.

Where to buy the SIEMENS 52PR8W2A push button worldwide?

You can source the SIEMENS 52PR8W2A mushroom head push button through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Siemens components for industrial applications.

How to install the SIEMENS 52PR8W2A mushroom head push button?

Install the SIEMENS 52PR8W2A by mounting it into a 30 mm panel cutout and securing it with the provided locknut. Wire the maintained-action contacts according to your control circuit diagram. Ensure the non-metallic actuator is properly aligned. Follow standard industrial safety practices and consult the Siemens Class 52 installation guide.

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 (MPN 52BR8W2A). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm (MPN 52BR8W2A). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NO/1NC (MPN 52PR8DRAB). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm, 1NO/1NC (MPN 52PR8DRAB). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Metallic, 30 mm, 1NO/1NC (MPN 52PP2A2A). 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 52PP2A2A). 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 (MPN US2:52PP2W2A). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Push Button Material Type: Non-Metallic.
Siemens
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm (MPN US2:52PP2W2A). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Push Button Material Type: Non-Metallic.
SIEMENS Mushroom Head Push Button: Non-Illuminated, Mushroom Head Profile, Non-Metallic, 30 mm (MPN US2:52BP2W2A). 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 (MPN US2:52BP2W2A). 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, 1NO/1NC (MPN 52BP2A2A). 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 52BP2A2A). Key specifications — Brand: SIEMENS; Action: Maintained; Series: Class 52; Terminal Connection: Pressure Plate; Push Button Material Type: 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, 2NC (MPN 52BM9W4G). 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 52BM9W4G). 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.