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Siemens 3SU1000-1HB20-0AA0 Emergency Stop Mushroom Pushbutton

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ManufacturerSiemens

Part number3SU1000-1HB20-0AA0

Mounting Diameter 22.3 mm

Button Diameter 40 mm

Color Red

Actuation Rotate-to-unlatch

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12-month warranty

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Veteran-owned

CAGE: 9NK75

22mm round mounting 40mm red mushroom head Positive latching Rotate-to-unlatch mechanism Conforms to EN ISO 13850 Emergency stop function

Product description

The Siemens 3SU1000-1HB20-0AA0 is a crucial safety device, designed as a 22mm round mushroom pushbutton with a prominent 40mm red plastic head. Adhering to EN ISO 13850 safety standards, this pushbutton features positive latching and a distinct rotate-to-unlatch mechanism, ensuring it only resets when intentionally twisted.

This emergency stop pushbutton is vital for immediate machine stoppage in industrial settings. Its reliable operation is essential across manufacturing, automation, and processing industries where rapid response to hazardous situations is paramount. The 22mm mounting size ensures compatibility with standard control panels.

Stanlo Automation, a veteran-owned distributor, provides dependable access to essential safety components like the Siemens 3SU1000-1HB20-0AA0. We are dedicated to supplying high-quality industrial automation parts to keep your operations safe and productive.

Technical specifications

Mounting Diameter	22.3 mm
Button Diameter	40 mm
Color	Red
Actuation	Rotate-to-unlatch
Latching	Positive Latching
Standard	EN ISO 13850
Material	Plastic
IP Rating	IP66/IP67/IP69K

Common applications

Machine Safety

Industrial Control Panels

Emergency Shutdown

Manufacturing Automation

Safety Systems

Compatible systems

SIRIUS ACT 22mm System

Also known as

Siemens E-Stop 3SU1000-1HB20-0AA0 SIRIUS ACT 3SU1000-1HB20-0AA0 Siemens Twist-to-release E-stop

Replaces / compatible with

This part serves as a standard replacement for Siemens E-stop pushbuttons within the 22mm SIRIUS ACT series, offering a rotate-to-unlatch functionality.

Technical note

Expert tip

Requires separate order of suitable contact blocks for completion of the safety circuit.

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Frequently asked questions

How is the Siemens 3SU1000-1HB20-0AA0 E-stop pushbutton reset?

The Siemens 3SU1000-1HB20-0AA0 features a rotate-to-unlatch mechanism. To reset the E-stop after activation, the mushroom head must be turned clockwise or counter-clockwise.