3SU1100-1HB20-1CH0
EMERGENCY STOP mushroom-type actuator, 22 mm, round, plastic, red, 40 mm, positive latching, according to EN ISO 13850, rotate-to-unlatch, with yellow backing plate, inscription: NOT-HALT, with holder, 1 NC, screw terminal
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3SU1100-1HB20-1CH0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number | 3SU1100-1HB20-1CH0 |
| Product Description | EMERGENCY STOP mushroom-type actuator, 22 mm, round, plastic, red, 40 mm, positive latching, according to EN ISO 13850, rotate-to-unlatch, with yellow backing plate, inscription: NOT-HALT, with holder, 1 NC, screw terminal |
| Product family | Actuators and indicators, 22 mm, round, plastic, black |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Price Group | 41J |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Material | see also metal factor (further details are available on the help page) |
| Metal Factor | LAO—– |
| Additional Product Information | ||
| EAN | 4011209957817 | |
| UPC | Not available | |
| Commodity Code | 85365080 | |
| LKZ_FDB/ CatalogID | CC-IC10 | |
| Product Group | 5454 | |
| Group Code | R711 | |
| Country of origin | Germany | |
| Compliance with the substance restrictions according to RoHS directive | Since: 01.10.2014 | |
| Product class | A: Standard product which is a stock item could be returned within the returns guidelines/period. | |
| WEEE (2012/19/EU) Take-Back Obligation | Yes | |
| REACH Art. 33 Duty to inform according to the current list of candidates | ||
| SCIP number | Not available | |
Product Description
3SU1100-1HB20-1CH0
The Siemens 3SU1100-1HB20-1CH0 is a 22 mm emergency stop actuator designed for industrial safety applications. It features a 40 mm red mushroom button with a yellow backing plate labeled “NOT-HALT”, ensuring high visibility and clear identification. This positively latching emergency stop button complies with EN ISO 13850 safety standards and is equipped with a rotate-to-unlatch mechanism to prevent accidental resets. It includes a holder and a 1 NC (Normally Closed) contact with a screw terminal connection for reliable operation.

Key Features and Specification
- Type: Emergency Stop Mushroom-Type Actuator
- Mounting Diameter: 22 mm
- Shape: Round
- Material: Plastic
- Color: Red with Yellow Backing Plate
- Button Size: 40 mm
- Latching Mechanism: Positive Latching
- Reset Method: Rotate-to-Unlatch
- Standard Compliance: EN ISO 13850
- Inscription: “NOT-HALT”
- Included Components: Holder
- Contact Configuration: 1 NC (Normally Closed)
- Terminal Type: Screw Terminal
- Product Lifecycle: PM300 (Active Product)
Applications:
- Emergency Stop Systems in Industrial Automation
- Control Panels and Operator Stations
- Factory and Process Automation
- Machine Safety and Hazard Prevention
Product Details:
- Product Family: Actuators and Indicators, 22 mm, Round, Plastic, Black
- Lifecycle Status: PM300 – Active Product
- EAN: 4011209957817
- UPC: Not Available
- Commodity Code: 85365080
- Catalog ID: CC-IC10
- Product Group: 5454
- Group Code: R711
Summary:
The Siemens 3SU1100-1HB20-1CH0 is a robust and reliable emergency stop actuator, ideal for safety-critical industrial applications. Its 40 mm red mushroom button with “NOT-HALT” inscription, positive latching mechanism, and rotate-to-unlatch reset provide enhanced safety. With a 1 NC contact, screw terminals, and compliance with EN ISO 13850, this actuator is a perfect choice for emergency stop functions in automation and control systems.
Frequently Asked Questions
What is a Push Button Switch?
✅ A push button switch is an electromechanical device used to activate or deactivate an electrical circuit by manually pressing a button. These switches are available in various designs, sizes, and configurations, making them suitable for industrial automation, machinery, and control panels. Common applications include emergency stop buttons, control systems, and user interfaces.
How Does a Push Button Switch Work?
✅ push button switch A operates by applying pressure to the button or actuator, which compresses an internal spring and moves the electrical contacts. This action either closes or opens the circuit, depending on whether the switch is normally open (NO) or normally closed (NC). Push button switches are commonly used in industrial control systems, machinery, and automation applications for precise circuit activation.
What is the difference between a tactile pushbutton and a detection pushbutton?
✅ Tactile pushbuttons provide physical feedback and are designed for user interaction, often with a click sound. Detection pushbuttons sense positions (e.g., open/closed) without requiring user actuation.
What are the benefits of Siemens pushbuttons?
✅ Siemens pushbuttons offer IP69K durability, global certifications, modern design, intuitive operation, quick installation, and compatibility with AS-i, IO-Link, and PROFINET for advanced communication.
- Durability: IP69K rating ensures high resistance to extreme conditions, including exposure to oils, vapors, and corrosive solutions.
- Certifications: Fully certified for both national and international standards, ensuring reliable compliance with industry regulations.
- Design Flexibility: Available in metal and plastic variants, offering modern aesthetics to suit various applications and environments.
- Ease of Use: Features intuitive haptic feedback and illuminated controls for a seamless and user-friendly operation.
- Quick Installation: Effortless one-handed setup with innovative patented holder designs for faster deployment.
- Advanced Communication: Fully compatible with AS-i, IO-Link, PROFINET, and PROFIsafe technologies for enhanced communication and integration.
- Safety Assurance: ATEX-certified options are available for hazardous environments, ensuring maximum safety in challenging conditions.
Why choose Siemens SIRIUS ACT?
✅ Siemens SIRIUS ACT offers reliable, durable, and intelligent components, combining advanced technology with sleek design for powerful machines and advanced plants.





















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