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Siemens Class 52 Mushroom-Head Push Button - Mushroom-Head Push Buttons
SiemensMushroom-Head Push Buttons

Siemens Class 52 Mushroom-Head Push Button

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 1NO contact…

SKU 3G-OTH-31637

Brand
Siemens
Item
Class 52 Mushroom-Head Push Button
Part Number
52BM9W4K
Category
Mushroom-Head Push Buttons
Available to Order
Also known as:52BM9W4KSiemens
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
52BM9W4K
Series
Class 52
Type
Mushroom Head Profile, Non-Metallic, 30 mm, 1NO
Action
Momentary
Terminal Connection
Pressure Plate
Push Button Material Type
Non-Metallic

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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 1NO contact configuration. The terminal connection is via a pressure plate, and the manufacturer part number is 52BM9W4K.

Frequently Asked Questions

What is the SIEMENS 52BM9W4K mushroom head push button used for?

The SIEMENS 52BM9W4K is a momentary-action, non-illuminated push button used for industrial control panel applications. Its 30 mm mushroom head profile provides a large target for emergency-stop or start functions, and the 1NO contact configuration suits simple on/off control circuits.

What are the specifications of the SIEMENS 52BM9W4K push button?

The SIEMENS 52BM9W4K is a Class 52 series mushroom head push button with a 30 mm non-metallic profile, momentary action, and 1NO contact. It uses a pressure plate terminal connection and is non-illuminated. The manufacturer part number is 52BM9W4K.

Where to buy the SIEMENS 52BM9W4K push button worldwide?

3G Electric supplies the SIEMENS 52BM9W4K mushroom head push button to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this Class 52 series component to your facility, regardless of location.

How to install the SIEMENS 52BM9W4K mushroom head push button?

Install the SIEMENS 52BM9W4K by mounting it in a 30 mm panel cutout and securing it with the provided locknut. Connect wires to the pressure plate terminals using a screwdriver, ensuring the 1NO contact is wired for your control circuit. Follow standard industrial safety practices.

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
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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.

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