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Siemens SIRIUS ACT Emergency Stop Push Button, Panel Mount, Pull Release, Mushroom Head, 22 mm Cutout, 1 3SU1100-1HA20-1CH0

Name: Siemens SIRIUS ACT Emergency Stop Push Button, Panel Mount, Pull Release, Mushroom Head, 22 mm Cutout, 1 3SU1100-1HA20-1CH0
Brand: Siemens
SKU: 81357
Price: 59.57 USD
Availability: InStock

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Category Emergency Stop Push Button Brand Siemens Condition New

Specifications

Country of Origin	Germany
Brand	Siemens
Colour	Red
Model	3SU1100-1HA20-1CH0
Depth	95mm
IP Rating	IP69, IP67, IP69K, IP66
Width	3mm
Mount Type	Panel Mount
Housing Material	Plastic
Series	SIRIUS ACT 3SU11
Contact Configuration	1 NC
Switch Configuration	1 NC
Head Style	Mushroom Shaped
Head Diameter	40mm
Terminal type	Screw
Contact DC Voltage	500V dc
Contact AC Voltage	500V ac
Better World Claim	Extended Product Life, Low Carbon Manufacture
Contact Current	10A
Cutout Diameter	22mm
Safety Contacts	1 NC
Number of Auxiliary Contacts	1
Push Button Actuation	Pull Release
Push Button Material	Plastic

Key Features

Equipped with a mushroom head design for easy actuation and emergency operation.
Features pull-to-unlatch mechanism, providing positive latching functionality.
Rated for up to 500V AC/DC voltage and 10A current, suitable for demanding industrial use.
22 mm cutout allows for standard panel mounting with screw terminals.
IP69 and IP67 protection ensures reliable operation in harsh environments.
Includes a yellow backing plate and clear EMERGENCY STOP inscription for visibility.
Head diameter is 40 mm and overall depth is 95 mm for ergonomic operation.
Constructed from durable red plastic housing, resistant to mechanical and environmental stresses.

Product Description

The Siemens SIRIUS ACT 3SU1100-1HA20-1CH0 Emergency Stop Push Button is a high-performance panel-mount switch designed for critical industrial and automation safety applications. This model features a mushroom-shaped actuator, a prominent red plastic head, and a yellow backing plate clearly marked with EMERGENCY STOP for immediate visibility.

Its pull-to-unlatch mechanism provides reliable positive latching, preventing accidental resets and increasing operator safety. The push button is fitted for a standard 22 mm cutout, making integration and retrofitting into electrical control panels straightforward.

Rated for up to 500V AC and DC, and 10A maximum current, the switch delivers robust performance for a wide array of electric circuits and emergency stop functions. The durable housing is constructed from high-grade plastic and the head diameter measures 40 mm ensuring easy operation in emergencies. Screw-type terminals simplify wiring, and its mushroom-shaped head is optimized for quick response.

Certified with IP69, IP67, IP69K, and IP66 ingress protection, this Siemens push button withstands water, dust, and aggressive cleaning processes, making it ideal for industrial, manufacturing, and harsh environments. It is suited for equipment, machinery, robotics, HVAC control stations, and plant safety panels.

The product is compliant with multiple standards, including EN 61373, IEC 61508, EN ISO 13850, and others, confirming its suitability for demanding safety and reliability requirements. Industrial engineers, facilities managers, and automation professionals will find this product essential for machine safeguarding, shutdown control, and critical interruption circuits.

The package includes a pre-installed yellow backing plate, EMERGENCY STOP inscription, holder, and one normally closed contact (1 NC) with screw terminals. Its compact depth (95 mm) and width (3 mm button width) support efficient panel utilization.

Explore more Emergency Stop Push Buttons and Siemens industrial automation options in the EnvMart Switches & Sockets category.

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Frequently Asked Questions

This model is rated for up to 500V AC and DC, with a maximum current of 10A, making it suitable for demanding industrial applications.

It requires a standard cutout diameter of 22 mm for panel mounting.

It features screw-type terminals, which simplify the wiring process during installation.

This emergency stop button has an IP rating of IP69, IP67, IP69K, and IP66, ensuring it is resistant to dust and water, suitable for harsh environments.

It has a mushroom-shaped actuator, which allows for easy actuation and emergency operation.

The overall depth is 95 mm, and the head diameter measures 40 mm, providing ergonomic operation.

Yes, it includes a yellow backing plate with a clear EMERGENCY STOP inscription for immediate visibility.

The housing is constructed from durable plastic, designed to withstand mechanical and environmental stresses.

It is compliant with multiple standards, including EN 61373, IEC 61508, and EN ISO 13850, confirming its suitability for safety applications.

This model features a normally closed contact configuration (1 NC), which is essential for emergency stop functions.

It is suited for use in equipment, machinery, robotics, HVAC control stations, and plant safety panels, ensuring critical interruption in operations.