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: Red, 22 mm Mounting Size, Non-Metallic - Mushroom-Head Push-Button Operators
SiemensMushroom-Head Push-Button Operators

Siemens Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic

The SIEMENS Mushroom Head Push Button: Red is a non-metallic, maintained-action push-button operator from the 3SU series. It features a 22 mm mounting size and is identified by manufacturer part number…

SKU 3G-OTH-33278

Also listed as: 3SU10001HA200AA0 · 3SU1000 1HA20 0AA0

Brand
Siemens
Item
Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic
Category
Mushroom-Head Push-Button Operators
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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
3SU1000-1HA20-0AA0
Series
3SU
Type
Non-Metallic, Maintained
Action
Maintained
Mounting Size
22 mm
Push Button Material Type
Non-Metallic

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: Red is a non-metallic, maintained-action push-button operator from the 3SU series. It features a 22 mm mounting size and is identified by manufacturer part number 3SU1000-1HA20-0AA0.

Frequently Asked Questions

What is the SIEMENS 3SU1000-1HA20-0AA0 mushroom head push button used for?

This SIEMENS red mushroom head push button is used as a maintained-action operator in industrial control panels. It provides a large, easy-to-actuate surface for emergency stop or latching functions in machinery, conveyors, and process equipment across manufacturing and automation facilities.

What are the specifications of the SIEMENS 3SU1000-1HA20-0AA0?

The SIEMENS 3SU1000-1HA20-0AA0 is a non-metallic, maintained-action mushroom head push button from the 3SU series. It has a 22 mm mounting size and a red actuator. The push button material type is non-metallic, and the manufacturer part number is 3SU1000-1HA20-0AA0.

Where to buy the SIEMENS 3SU1000-1HA20-0AA0 worldwide?

3G Electric supplies the SIEMENS 3SU1000-1HA20-0AA0 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 maintained-action operator from the 3SU series.

How to install a SIEMENS 3SU1000-1HA20-0AA0 push button?

Install the SIEMENS 3SU1000-1HA20-0AA0 into a 22 mm panel cutout. Secure the operator with the provided mounting nut, then wire the contact block according to your control circuit. For maintained action, ensure the latching mechanism is correctly engaged. Always follow SIEMENS installation guidelines for safety.

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-button operators. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Maintained (MPN 3SU1000-1HB20-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Maintained (MPN 3SU1000-1HB20-0AA0)
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Maintained (MPN 3SU1000-1HF20-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Maintained (MPN 3SU1000-1HF20-0AA0)
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Maintained (MPN 3SU1000-1HR20-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Maintained (MPN 3SU1000-1HR20-0AA0)
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Metallic, Maintained (MPN 3SU1050-1HA20-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Metallic, Maintained (MPN 3SU1050-1HA20-0AA0)
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Momentary (MPN 3SU1000-1BD20-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Momentary (MPN 3SU1000-1BD20-0AA0)
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Momentary (MPN 3SU1000-1AD20-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Momentary (MPN 3SU1000-1AD20-0AA0)

More from Siemens

View all Siemens parts
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Momentary (MPN 3SU1000-GDC-500MA-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Non-Metallic, Momentary (MPN 3SU1000-GDC-500MA-0AA0)
SIEMENS Mushroom Head Push Button: Black, 22 mm Mounting Size, Metallic, Momentary (MPN 3SU1050-GDC-2.5A-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Black, 22 mm Mounting Size, Metallic, Momentary (MPN 3SU1050-GDC-2.5A-0AA0)
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Metallic, Momentary (MPN 3SU1050-GDC-500MA-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Metallic, Momentary (MPN 3SU1050-GDC-500MA-0AA0)
SIEMENS Mushroom Head Push Button: Black, 22 mm Mounting Size, Non-Metallic, Momentary (MPN 3SU1000-GDC-2.5A-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Black, 22 mm Mounting Size, Non-Metallic, Momentary (MPN 3SU1000-GDC-2.5A-0AA0)
SIEMENS Mushroom Head Push Button: Black, 22 mm Mounting Size, Metallic, Momentary (MPN 3SU1050-1AD10-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Black, 22 mm Mounting Size, Metallic, Momentary (MPN 3SU1050-1AD10-0AA0)
SIEMENS Mushroom Head Push Button: Black, 22 mm Mounting Size, Non-Metallic, Momentary (MPN 3SU1000-1AD10-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Black, 22 mm Mounting Size, Non-Metallic, Momentary (MPN 3SU1000-1AD10-0AA0)
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Metallic, Maintained (MPN 3SU1050-1HB20-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Metallic, Maintained (MPN 3SU1050-1HB20-0AA0)
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Metallic, Momentary (MPN 3SU1050-1BD20-0AA0)
Siemens
SIEMENS Mushroom Head Push Button: Red, 22 mm Mounting Size, Metallic, Momentary (MPN 3SU1050-1BD20-0AA0)